component
N32G451VCL7
Public Made by Adomby adom
Nations Technologies Inc Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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N32G451VCL7
Nations Technologies Inc · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)
N32G451VCL7 from Nations Technologies Inc, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PE2 | bidirectional | GPIO PE2, 5 V tolerant (FT) with fail-safe; alternate function UART6_TX. |
| 2 | PE3 | bidirectional | GPIO PE3, 5 V tolerant (FT) with fail-safe; alternate function UART6_RX. |
| 3 | PE4 | bidirectional | GPIO PE4, 5 V tolerant (FT) with fail-safe; no alternate function listed. |
| 4 | PE5 | bidirectional | GPIO PE5, 5 V tolerant (FT) with fail-safe; no alternate function listed. |
| 5 | PE6 | bidirectional | GPIO PE6, 5 V tolerant (FT) with fail-safe; no alternate function listed. |
| 6 | VBAT | power_in | Backup-domain supply, 1.8 V to 3.6 V, powering RTC, 32 kHz oscillator and backup registers when VDD is off. |
| 7 | PC13-TAMPER-RTC | bidirectional | GPIO PC13 (TAMPER-RTC) powered through a switch limited to 3 mA total for PC13 to PC15; as output limited to 2 MHz with 30 pF max load. |
| 8 | PC14-OSC32_IN | bidirectional | GPIO PC14 or LSE oscillator input OSC32_IN; PC13 to PC15 share a 3 mA total output current limit. |
| 9 | PC15-OSC32_OUT | bidirectional | GPIO PC15 or LSE oscillator output OSC32_OUT; PC13 to PC15 share a 3 mA total output current limit. |
| 10 | VSS_5 | power_in | Digital ground pin 5. |
| 11 | VDD_5 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
| 12 | OSC_IN | input | HSE oscillator input for a 4 to 32 MHz crystal/resonator; in bypass mode high level 0.8VDD to VDD. |
| 13 | OSC_OUT | output | HSE oscillator output for the 4 to 32 MHz crystal/resonator. |
| 14 | NRST | bidirectional | Active-low reset with internal non-disconnectable pull-up (RPU 30 to 70 kΩ at 3.3 V); pulses below 100 ns are filtered. |
| 15 | PC0 | bidirectional | GPIO PC0, 3.3 V tolerant with analog capability (TTa); alternates ADC12_IN6, I2C3_SCL, UART6_TX. |
| 16 | PC1 | bidirectional | GPIO PC1, 3.3 V tolerant with analog capability (TTa); alternates ADC12_IN7, I2C3_SDA, UART6_RX. |
| 17 | PC2 | bidirectional | GPIO PC2, 3.3 V tolerant with analog capability (TTa); alternates ADC12_IN8, UART7_TX, SPI3_NSS, I2S3_WS. |
| 18 | PC3 | bidirectional | GPIO PC3, 3.3 V tolerant with analog capability (TTa); alternates ADC12_IN9, UART7_RX, SPI3_SCK, I2S3_CK. |
| 19 | VSSA | power_in | Analog ground, to be connected to VSS. |
| 20 | VREF- | power_in | Negative ADC reference voltage; may be connected internally to VSSA depending on package. |
| 21 | VREF+ | power_in | Positive ADC/DAC reference voltage, 1.8 V up to VDDA; DAC VREF+ must always be below VDDA. |
| 22 | VDDA | power_in | Analog supply for ADC/DAC, 1.8 V to 3.6 V, must be the same as VDD (max 300 mV difference). |
| 23 | PA0-WKUP | bidirectional | GPIO PA0 with WKUP wake-up function (TTa, 3.3 V tolerant, analog); alternates USART2_CTS, ADC1_IN1, TIM2_CH1_ETR, TIM5_CH1, TIM8_ETR, SPI3_MISO. |
| 24 | PA1 | bidirectional | GPIO PA1 (TTa, 3.3 V tolerant, analog); alternates USART2_RTS, ADC1_IN2, TIM5_CH2, TIM2_CH2, SPI3_MOSI, I2S3_SD. |
| 25 | PA2 | bidirectional | GPIO PA2 (TTa, 3.3 V tolerant, analog); alternates USART2_TX, TIM5_CH3, ADC12_IN11, TIM2_CH3. |
| 26 | PA3 | bidirectional | GPIO PA3 (TTa, 3.3 V tolerant, analog); alternates USART2_RX, TIM5_CH4, ADC1_IN4, TIM2_CH4. |
| 27 | VSS_4 | power_in | Digital ground pin 4. |
| 28 | VDD_4 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
| 29 | PA4 | bidirectional | GPIO PA4 (TTa, 3.3 V tolerant, analog); alternates SPI1_NSS, USART2_CK, DAC_OUT1, ADC2_IN1, I2C2_SCL. |
| 30 | PA5 | bidirectional | GPIO PA5 (TTa, 3.3 V tolerant, analog); alternates SPI1_SCK, DAC_OUT2, ADC2_IN2, I2C2_SDA. |
| 31 | PA6 | bidirectional | GPIO PA6 (TTa, 3.3 V tolerant, analog); alternates SPI1_MISO, TIM8_BKIN, ADC1_IN3, TIM3_CH1, TIM1_BKIN. |
| 32 | PA7 | bidirectional | GPIO PA7 (TTa, 3.3 V tolerant, analog); alternates SPI1_MOSI, TIM8_CH1N, ADC2_IN4, TIM3_CH2, TIM1_CH1N. |
| 33 | PC4 | bidirectional | GPIO PC4 (TTa, 3.3 V tolerant, analog); alternates ADC2_IN5, UART7_TX, I2C3_SCL. |
| 34 | PC5 | bidirectional | GPIO PC5 (TTa, 3.3 V tolerant, analog); alternates ADC2_IN12, UART7_RX, I2C3_SDA. |
| 35 | PB0 | bidirectional | GPIO PB0, standard 3.3 V I/O (TC); alternates TIM3_CH3, TIM8_CH2N, TIM1_CH2N, UART6_TX. |
| 36 | PB1 | bidirectional | GPIO PB1 (TTa, 3.3 V tolerant, analog); alternates ADC2_IN3, TIM3_CH4, TIM8_CH3N, TIM1_CH3N, UART6_RX. |
| 37 | PB2-BOOT1 | bidirectional | GPIO PB2 shared with BOOT1 boot-mode input (TTa); alternates ADC2_IN13, UART4_TX, SPI1_NSS. |
| 38 | PE7 | bidirectional | GPIO PE7, standard 3.3 V I/O (TC); alternates TIM1_ETR, UART4_RX, SPI1_SCK. |
| 39 | PE8 | bidirectional | GPIO PE8, standard 3.3 V I/O (TC); alternates TIM1_CH1N, UART5_TX, SDIO_DAT0, SPI1_MISO. |
| 40 | PE9 | bidirectional | GPIO PE9, standard 3.3 V I/O (TC); alternates TIM1_CH1, UART5_RX, SDIO_DAT1, SPI1_MOSI. |
| 41 | PE10 | bidirectional | GPIO PE10, standard 3.3 V I/O (TC); alternates TIM1_CH2N, SDIO_DAT2, SPI2_NSS, I2S2_WS. |
| 42 | PE11 | bidirectional | GPIO PE11, standard 3.3 V I/O (TC); alternates TIM1_CH2, SDIO_DAT3, SPI2_SCK, I2S2_CK. |
| 43 | PE12 | bidirectional | GPIO PE12, standard 3.3 V I/O (TC); alternates TIM1_CH3N, SDIO_CK, SPI2_MISO. |
| 44 | PE13 | bidirectional | GPIO PE13, standard 3.3 V I/O (TC); alternates TIM1_CH3, SPI2_MOSI, I2S2_SD, SDIO_CMD. |
| 45 | PE14 | bidirectional | GPIO PE14, standard 3.3 V I/O (TC); alternate function TIM1_CH4. |
| 46 | PE15 | bidirectional | GPIO PE15, standard 3.3 V I/O (TC); alternate function TIM1_BKIN. |
| 47 | PB10 | bidirectional | GPIO PB10, standard 3.3 V I/O (TC) with fail-safe; alternates I2C2_SCL, USART3_TX, TIM2_CH3. |
| 48 | PB11 | bidirectional | GPIO PB11, standard 3.3 V I/O (TC); alternates I2C2_SDA, USART3_RX, TIM2_CH4. |
| 49 | VSS_1 | power_in | Digital ground pin 1. |
| 50 | VDD_1 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
| 51 | PB12 | bidirectional | GPIO PB12, standard 3.3 V I/O (TC); alternates SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN. |
| 52 | PB13 | bidirectional | GPIO PB13, standard 3.3 V I/O (TC); alternates SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N, UART5_TX. |
| 53 | PB14 | bidirectional | GPIO PB14, standard 3.3 V I/O (TC); alternates SPI2_MISO, TIM1_CH2N, USART3_RTS, UART5_RX. |
| 54 | PB15 | bidirectional | GPIO PB15, standard 3.3 V I/O (TC); alternates SPI2_MOSI, I2S2_SD, TIM1_CH3N. |
| 55 | PD8 | bidirectional | GPIO PD8, standard 3.3 V I/O (TC); alternates USART3_TX, SPI3_NSS, I2S3_WS, CAN1_RX. |
| 56 | PD9 | bidirectional | GPIO PD9, standard 3.3 V I/O (TC); alternates USART3_RX, SPI3_SCK, I2S3_CK, CAN1_TX. |
| 57 | PD10 | bidirectional | GPIO PD10, standard 3.3 V I/O (TC); alternate function USART3_CK. |
| 58 | PD11 | bidirectional | GPIO PD11, standard 3.3 V I/O (TC); alternates USART3_CTS, SPI3_MISO. |
| 59 | PD12 | bidirectional | GPIO PD12, standard 3.3 V I/O (TC); alternates TIM4_CH1, USART3_RTS, SPI3_MOSI, I2S3_SD. |
| 60 | PD13 | bidirectional | GPIO PD13, standard 3.3 V I/O (TC); alternate function TIM4_CH2. |
| 61 | PD14 | bidirectional | GPIO PD14, standard 3.3 V I/O (TC); alternates TIM4_CH3, I2C4_SCL, TIM8_CH1. |
| 62 | PD15 | bidirectional | GPIO PD15, 5 V tolerant (FT) with fail-safe; alternates TIM4_CH4, I2C4_SDA, TIM8_CH2. |
| 63 | PC6 | bidirectional | GPIO PC6, standard 3.3 V I/O (TC) with fail-safe; alternates I2S2_MCK, TIM8_CH1, SDIO_DAT6, I2C4_SCL, TIM3_CH1, SPI2_NSS, I2S2_WS, USART2_CTS. |
| 64 | PC7 | bidirectional | GPIO PC7, standard 3.3 V I/O (TC) with fail-safe; alternates I2S3_MCK, TIM8_CH2, SDIO_DAT7, I2C4_SDA, TIM3_CH2, SPI2_SCK, I2S2_CK, USART2_RTS. |
| 65 | PC8 | bidirectional | GPIO PC8, standard 3.3 V I/O (TC) with fail-safe; alternates TIM8_CH3, SDIO_DAT0, TIM3_CH3, SPI2_MISO, USART2_TX. |
| 66 | PC9 | bidirectional | GPIO PC9, standard 3.3 V I/O (TC) with fail-safe; alternates TIM8_CH4, SDIO_DAT1, TIM3_CH4, SPI2_MOSI, I2S2_SD, USART2_RX. |
| 67 | PA8 | bidirectional | GPIO PA8, 5 V tolerant (FT) with fail-safe; alternates USART1_CK, TIM1_CH1, MCO. |
| 68 | PA9 | bidirectional | GPIO PA9, 5 V tolerant (FT) with fail-safe; alternates USART1_TX, TIM1_CH2, I2C4_SCL. |
| 69 | PA10 | bidirectional | GPIO PA10, 5 V tolerant (FT) with fail-safe; alternates USART1_RX, TIM1_CH3, I2C4_SDA. |
| 70 | PA11 | bidirectional | GPIO PA11, 5 V tolerant (FT) with fail-safe; alternates USART1_CTS, USBDM, CAN1_RX, TIM1_CH4. |
| 71 | PA12 | bidirectional | GPIO PA12, 5 V tolerant (FT) with fail-safe; alternates USART1_RTS, USBDP, CAN1_TX, TIM1_ETR. |
| 72 | PA13 | bidirectional | GPIO PA13, 5 V tolerant (FT) with fail-safe; default function JTMS-SWDIO (SWJ debug), alternate UART4_TX. |
| 73 | NC | unconnected | Not connected. |
| 74 | VSS_2 | power_in | Digital ground pin 2. |
| 75 | VDD_2 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
| 76 | PA14 | bidirectional | GPIO PA14, 5 V tolerant (FT) with fail-safe; default function JTCK-SWCLK (SWJ debug), alternate UART4_RX. |
| 77 | PA15 | bidirectional | GPIO PA15, 5 V tolerant (FT) with fail-safe; default function JTDI, alternates include SPI1_NSS, USART2_CTS, TIM8_CH1N, TIM2_CH1_ETR. |
| 78 | PC10 | bidirectional | GPIO PC10, standard 3.3 V I/O (TC) with fail-safe; alternates UART4_TX, SDIO_DAT2, USART3_TX, SPI3_SCK, I2S3_CK. |
| 79 | PC11 | bidirectional | GPIO PC11, standard 3.3 V I/O (TC) with fail-safe; alternates UART4_RX, SDIO_DAT3, USART3_RX, SPI3_MISO. |
| 80 | PC12 | bidirectional | GPIO PC12, standard 3.3 V I/O (TC) with fail-safe; alternates UART5_TX, SDIO_CLK, USART3_CK, SPI3_MOSI, I2S3_SD, TIM8_CH2N. |
| 81 | PD0 | bidirectional | GPIO PD0 (fixed function pin on LQFP100), 5 V tolerant (FT) with fail-safe; alternates CAN1_RX, UART4_TX. |
| 82 | PD1 | bidirectional | GPIO PD1 (fixed function pin on LQFP100), 5 V tolerant (FT) with fail-safe; alternates CAN1_TX, UART4_RX. |
| 83 | PD2 | bidirectional | GPIO PD2, standard 3.3 V I/O (TC) with fail-safe; alternates TIM3_ETR, UART5_RX, SDIO_CMD, SPI3_NSS, I2S3_WS, TIM8_CH3N. |
| 84 | PD3 | bidirectional | GPIO PD3, 5 V tolerant (FT) with fail-safe; alternate function USART2_CTS. |
| 85 | PD4 | bidirectional | GPIO PD4, standard 3.3 V I/O (TC) with fail-safe; alternate function USART2_RTS. |
| 86 | PD5 | bidirectional | GPIO PD5, standard 3.3 V I/O (TC) with fail-safe; alternate function USART2_TX. |
| 87 | PD6 | bidirectional | GPIO PD6, standard 3.3 V I/O (TC) with fail-safe; alternate function USART2_RX. |
| 88 | PD7 | bidirectional | GPIO PD7, standard 3.3 V I/O (TC) with fail-safe; alternate function USART2_CK. |
| 89 | PB3 | bidirectional | GPIO PB3, 5 V tolerant (FT) with fail-safe; default function JTDO/TRACESWO (SWJ debug); alternates SPI3_SCK, I2S3_CK, TIM2_CH2, SPI1_SCK, USART2_RTS, TIM8_BKIN. |
| 90 | PB4 | bidirectional | GPIO PB4, 5 V tolerant (FT) with fail-safe; default function NJTRST (SWJ debug); alternates SPI3_MISO, TIM3_CH1, SPI1_MISO, USART2_TX, TIM8_ETR. |
| 91 | PB5 | bidirectional | GPIO PB5, 5 V tolerant (FT) with fail-safe; alternates I2C1_SMBA, SPI3_MOSI, I2S3_SD, TIM3_CH2, SPI1_MOSI, USART2_RX, TIM1_BKIN. |
| 92 | PB6 | bidirectional | GPIO PB6, standard 3.3 V I/O (TC) with fail-safe; alternates I2C1_SCL, TIM4_CH1, USART1_TX. |
| 93 | PB7 | bidirectional | GPIO PB7, standard 3.3 V I/O (TC) with fail-safe; alternates I2C1_SDA, TIM4_CH2, USART1_RX. |
| 94 | BOOT0 | input | Boot mode select input (BOOT0 and BOOT1 are inputs with pull-down, selecting flash, system memory or SRAM boot). |
| 95 | PB8 | bidirectional | GPIO PB8, standard 3.3 V I/O (TC) with fail-safe; alternates TIM4_CH3, SDIO_DAT4, I2C1_SCL, CAN1_RX, UART5_TX. |
| 96 | PB9 | bidirectional | GPIO PB9, standard 3.3 V I/O (TC) with fail-safe; alternates TIM4_CH4, SDIO_DAT5, I2C1_SDA, CAN1_TX, UART5_RX. |
| 97 | PE0 | bidirectional | GPIO PE0, 5 V tolerant (FT) with fail-safe; alternate function TIM4_ETR. |
| 98 | PE1 | bidirectional | GPIO PE1, 5 V tolerant (FT) with fail-safe; no alternate function listed. |
| 99 | VSS_3 | power_in | Digital ground pin 3. |
| 100 | VDD_3 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nations Technologies Inc |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Output low level VOL, VDD=3.3V | VOL | 0.4 | V | VDD = 3.3 V, IOL= 2mA, 4mA, 8mA, and 12mA | 52 | ||
| Output low level VOL, VDD=2.5V | VOL | 0.4 | V | VDD = 2.5 V, IOL= 1.5mA,3mA, 7mA, and 11mA | 52 | ||
| Output high level VOH, VDD=3.3V | VOH | 2.4 | V | VDD = 3.3 V, IOH= -2mA, -4mA, -8mA, and -12mA | 52 | ||
| Output high level VOH, VDD=2.5V | VOH | 1.8 | V | VDD = 2.5 V, IOH= -1.5mA, -3mA, -7mA, and -11mA | 52 | ||
| NRST input high level voltage | VIH(NRST) | 2 | V | VDD = 3.3 V | 54 | ||
| NRST Schmitt trigger hysteresis | Vhys(NRST) | 200 | mV | VDD = 3.3 V | 54 | ||
| NRST weak pull-up equivalent resistance | RPU | 30 | 50 | 70 | KΩ | VDD = 3.3 V | 54 |
| NRST input filtered pulse | VF(NRST) | 100 | ns | 54 | |||
| NRST input non-filtered pulse | VNF(NRST) | 300 | ns | 54 | |||
| TIM1/8 timer resolution time | tres(TIM) | 6.95 | ns | fTIMxCLK= 144MHz | 54 | ||
| TIM1/8 timer external clock frequency | fEXT | 0 | 72 | MHz | fTIMxCLK= 144MHz | 54 | |
| TIM1/8 16-bit counter clock period | tCOUNTER | 0.00695 | 455 | μs | fTIMxCLK= 144MHz, internal clock selected | 54 | |
| TIM1/8 maximum possible count | tMAX_COUNT | 29.8 | s | fTIMxCLK= 144MHz | 54 | ||
| TIM2/3/4/5 timer resolution time | tres(TIM) | 13.9 | ns | fTIMxCLK= 72MHz | 54 | ||
| TIM2/3/4/5 timer external clock frequency | fEXT | 0 | 36 | MHz | fTIMxCLK= 72MHz | 54 | |
| TIM2/3/4/5 16-bit counter clock period | tCOUNTER | 0.0139 | 910 | μs | fTIMxCLK= 72MHz, internal clock selected | 54 | |
| I/O max frequency, 2mA drive | fmax(IO)out | 75 | MHz | 2mA; CL=5pF,VDD=3.3V | 53 | ||
| I/O max frequency, 2mA drive | fmax(IO)out | 50 | MHz | 2mA; CL=5pF,VDD=2.5V | 53 | ||
| I/O max frequency, 2mA drive | fmax(IO)out | 30 | MHz | 2mA; CL=5pF,VDD=1.8V | 53 | ||
| I/O output delay, 2mA drive | t(IO)out | 3.66 | ns | 2mA; CL=5pF,VDD=3.3V | 53 | ||
| I/O output delay, 2mA drive | t(IO)out | 4.72 | ns | 2mA; CL=5pF,VDD=2.5V | 53 | ||
| I/O output delay, 2mA drive | t(IO)out | 7.12 | ns | 2mA; CL=5pF,VDD=1.8V | 53 | ||
| I/O input delay, 2mA drive | t(IO)in | 2 | ns | 2mA; CL=50fF,VDD=2.97V,VDDD=0.81V | 53 | ||
| I/O max frequency, 4mA drive | fmax(IO)out | 90 | MHz | 4mA; CL=10pF,VDD=3.3V | 53 | ||
| I/O max frequency, 4mA drive | fmax(IO)out | 60 | MHz | 4mA; CL=10pF,VDD=2.5V | 53 | ||
| I/O max frequency, 4mA drive | fmax(IO)out | 40 | MHz | 4mA; CL=10pF,VDD=1.8V | 53 | ||
| I/O output delay, 4mA drive | t(IO)out | 3.5 | ns | 4mA; CL=10pF,VDD=3.3V | 53 | ||
| I/O output delay, 4mA drive | t(IO)out | 4.5 | ns | 4mA; CL=10pF,VDD=2.5V | 53 | ||
| I/O output delay, 4mA drive | t(IO)out | 6.74 | ns | 4mA; CL=10pF,VDD=1.8V | 53 | ||
| I/O input delay, 4mA drive | t(IO)in | 2 | ns | 4mA; CL=50fF,VDD=2.97V,VDDD=0.81V | 53 | ||
| I/O max frequency, 8mA drive | fmax(IO)out | 100 | MHz | 8mA; CL=20pF,VDD=3.3V | 53 | ||
| I/O max frequency, 8mA drive | fmax(IO)out | 75 | MHz | 8mA; CL=20pF,VDD=2.5V | 53 | ||
| I/O max frequency, 8mA drive | fmax(IO)out | 50 | MHz | 8mA; CL=20pF,VDD=1.8V | 53 | ||
| I/O output delay, 8mA drive | t(IO)out | 3.42 | ns | 8mA; CL=20pF,VDD=3.3V | 53 | ||
| I/O output delay, 8mA drive | t(IO)out | 4.73 | ns | 8mA; CL=20pF,VDD=2.5V | 53 | ||
| I/O output delay, 8mA drive | t(IO)out | 6.53 | ns | 8mA; CL=20pF,VDD=1.8V | 53 | ||
| I/O input delay, 8mA drive | t(IO)in | 2 | ns | 8mA; CL=50fF,VDD=2.97V,VDDD=0.81V | 53 | ||
| I/O max frequency, 12mA drive | fmax(IO)out | 120 | MHz | 12mA; CL=30pF,VDD=3.3V | 53 | ||
| I/O max frequency, 12mA drive | fmax(IO)out | 90 | MHz | 12mA; CL=30pF,VDD=2.5V | 53 | ||
| I/O max frequency, 12mA drive | fmax(IO)out | 60 | MHz | 12mA; CL=30pF,VDD=1.8V | 53 | ||
| I/O output delay, 12mA drive | t(IO)out | 3.34 | ns | 12mA; CL=30pF,VDD=3.3V | 53 | ||
| I/O output delay, 12mA drive | t(IO)out | 4.26 | ns | 12mA; CL=3pF,VDD=2.5V | 53 | ||
| I/O output delay, 12mA drive | t(IO)out | 6.34 | ns | 12mA; CL=3pF,VDD=1.8V | 53 | ||
| I/O input delay, 12mA drive | t(IO)in | 2 | ns | 12mA; CL=50fF,VDD=2.97V,VDDD=0.81V | 53 | ||
| Supply voltage VDDA (ADC) | VDDA | 1.8 | 3.6 | V | 65 | ||
| Positive reference voltage VREF+ | VREF+ | 1.8 | V | 65 | |||
| ADC clock frequency | fADC | 80 | MHz | 65 | |||
| ADC sampling rate, 12-bit | fs | 0.01 | 4.7 | MHz | 1.8V ≤ VDD ≤ 3.6V,分辨率12bit | 65 | |
| ADC sampling rate, 10-bit | fs | 0.012 | 6.1 | MHz | 1.8V ≤ VDD ≤ 3.6V,分辨率10bit | 65 | |
| ADC sampling rate, 8-bit | fs | 0.014 | 7.3 | MHz | 1.8V ≤ VDD ≤ 3.6V,分辨率8bit | 65 | |
| ADC sampling rate, 6-bit | fs | 0.0175 | 8.9 | MHz | 1.8V ≤ VDD ≤ 3.6V,分辨率6bit | 65 | |
| ADC sampling switch resistance, fast channel | RADC | 137.6 | Ω | 快速通道,3.6V电压条件下 | 65 | ||
| ADC sampling switch resistance, slow channel | RADC | 147 | Ω | 慢速通道,3.6V电压条件下 | 65 | ||
| ADC sampling time tS, fast channel | tS | 0.056 | 8.35 | μs | fADC = 80 MHz, 快速通道, 分辨率12bit | 65 | |
| ADC sampling time tS, slow channel | tS | 0.056 | 8.35 | μs | fADC = 80 MHz, 慢速通道, 分辨率12bit | 65 | |
| ADC sampling period Ts, fast channel | Ts | 4.5 | 601.5 | 1/fADC | fADC = 80 MHz, 快速通道, 分辨率12bit | 65 | |
| ADC sampling period Ts, slow channel | Ts | 4.5 | 601.5 | 1/fADC | fADC = 80 MHz, 慢速通道, 分辨率12bit | 65 | |
| ADC power-on time | tSTAB | 6 | 10 | 20 | μs | 65 | |
| ADC total conversion time (including sampling) | tCONV | 8 | 614 | 1/fADC | 65 |
CAD (KiCad official)
- Symbol:
N32G451VCL7 - Footprint:
Package_QFP:LQFP-100_14x14mm_P0.5mm - 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files:
n32g451vcl7-etched.step/n32g451vcl7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);n32g451vcl7.step/n32g451vcl7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nations Technologies Inc datasheet (76 pp, sha256
dbeae2e3a5d0603f, retrieved 2026-10-20, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# N32G451VCL7
**Nations Technologies Inc** · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)
N32G451VCL7 from Nations Technologies Inc, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PE2 | bidirectional | GPIO PE2, 5 V tolerant (FT) with fail-safe; alternate function UART6_TX. |
| 2 | PE3 | bidirectional | GPIO PE3, 5 V tolerant (FT) with fail-safe; alternate function UART6_RX. |
| 3 | PE4 | bidirectional | GPIO PE4, 5 V tolerant (FT) with fail-safe; no alternate function listed. |
| 4 | PE5 | bidirectional | GPIO PE5, 5 V tolerant (FT) with fail-safe; no alternate function listed. |
| 5 | PE6 | bidirectional | GPIO PE6, 5 V tolerant (FT) with fail-safe; no alternate function listed. |
| 6 | VBAT | power_in | Backup-domain supply, 1.8 V to 3.6 V, powering RTC, 32 kHz oscillator and backup registers when VDD is off. |
| 7 | PC13-TAMPER-RTC | bidirectional | GPIO PC13 (TAMPER-RTC) powered through a switch limited to 3 mA total for PC13 to PC15; as output limited to 2 MHz with 30 pF max load. |
| 8 | PC14-OSC32_IN | bidirectional | GPIO PC14 or LSE oscillator input OSC32_IN; PC13 to PC15 share a 3 mA total output current limit. |
| 9 | PC15-OSC32_OUT | bidirectional | GPIO PC15 or LSE oscillator output OSC32_OUT; PC13 to PC15 share a 3 mA total output current limit. |
| 10 | VSS_5 | power_in | Digital ground pin 5. |
| 11 | VDD_5 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
| 12 | OSC_IN | input | HSE oscillator input for a 4 to 32 MHz crystal/resonator; in bypass mode high level 0.8VDD to VDD. |
| 13 | OSC_OUT | output | HSE oscillator output for the 4 to 32 MHz crystal/resonator. |
| 14 | NRST | bidirectional | Active-low reset with internal non-disconnectable pull-up (RPU 30 to 70 kΩ at 3.3 V); pulses below 100 ns are filtered. |
| 15 | PC0 | bidirectional | GPIO PC0, 3.3 V tolerant with analog capability (TTa); alternates ADC12_IN6, I2C3_SCL, UART6_TX. |
| 16 | PC1 | bidirectional | GPIO PC1, 3.3 V tolerant with analog capability (TTa); alternates ADC12_IN7, I2C3_SDA, UART6_RX. |
| 17 | PC2 | bidirectional | GPIO PC2, 3.3 V tolerant with analog capability (TTa); alternates ADC12_IN8, UART7_TX, SPI3_NSS, I2S3_WS. |
| 18 | PC3 | bidirectional | GPIO PC3, 3.3 V tolerant with analog capability (TTa); alternates ADC12_IN9, UART7_RX, SPI3_SCK, I2S3_CK. |
| 19 | VSSA | power_in | Analog ground, to be connected to VSS. |
| 20 | VREF- | power_in | Negative ADC reference voltage; may be connected internally to VSSA depending on package. |
| 21 | VREF+ | power_in | Positive ADC/DAC reference voltage, 1.8 V up to VDDA; DAC VREF+ must always be below VDDA. |
| 22 | VDDA | power_in | Analog supply for ADC/DAC, 1.8 V to 3.6 V, must be the same as VDD (max 300 mV difference). |
| 23 | PA0-WKUP | bidirectional | GPIO PA0 with WKUP wake-up function (TTa, 3.3 V tolerant, analog); alternates USART2_CTS, ADC1_IN1, TIM2_CH1_ETR, TIM5_CH1, TIM8_ETR, SPI3_MISO. |
| 24 | PA1 | bidirectional | GPIO PA1 (TTa, 3.3 V tolerant, analog); alternates USART2_RTS, ADC1_IN2, TIM5_CH2, TIM2_CH2, SPI3_MOSI, I2S3_SD. |
| 25 | PA2 | bidirectional | GPIO PA2 (TTa, 3.3 V tolerant, analog); alternates USART2_TX, TIM5_CH3, ADC12_IN11, TIM2_CH3. |
| 26 | PA3 | bidirectional | GPIO PA3 (TTa, 3.3 V tolerant, analog); alternates USART2_RX, TIM5_CH4, ADC1_IN4, TIM2_CH4. |
| 27 | VSS_4 | power_in | Digital ground pin 4. |
| 28 | VDD_4 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
| 29 | PA4 | bidirectional | GPIO PA4 (TTa, 3.3 V tolerant, analog); alternates SPI1_NSS, USART2_CK, DAC_OUT1, ADC2_IN1, I2C2_SCL. |
| 30 | PA5 | bidirectional | GPIO PA5 (TTa, 3.3 V tolerant, analog); alternates SPI1_SCK, DAC_OUT2, ADC2_IN2, I2C2_SDA. |
| 31 | PA6 | bidirectional | GPIO PA6 (TTa, 3.3 V tolerant, analog); alternates SPI1_MISO, TIM8_BKIN, ADC1_IN3, TIM3_CH1, TIM1_BKIN. |
| 32 | PA7 | bidirectional | GPIO PA7 (TTa, 3.3 V tolerant, analog); alternates SPI1_MOSI, TIM8_CH1N, ADC2_IN4, TIM3_CH2, TIM1_CH1N. |
| 33 | PC4 | bidirectional | GPIO PC4 (TTa, 3.3 V tolerant, analog); alternates ADC2_IN5, UART7_TX, I2C3_SCL. |
| 34 | PC5 | bidirectional | GPIO PC5 (TTa, 3.3 V tolerant, analog); alternates ADC2_IN12, UART7_RX, I2C3_SDA. |
| 35 | PB0 | bidirectional | GPIO PB0, standard 3.3 V I/O (TC); alternates TIM3_CH3, TIM8_CH2N, TIM1_CH2N, UART6_TX. |
| 36 | PB1 | bidirectional | GPIO PB1 (TTa, 3.3 V tolerant, analog); alternates ADC2_IN3, TIM3_CH4, TIM8_CH3N, TIM1_CH3N, UART6_RX. |
| 37 | PB2-BOOT1 | bidirectional | GPIO PB2 shared with BOOT1 boot-mode input (TTa); alternates ADC2_IN13, UART4_TX, SPI1_NSS. |
| 38 | PE7 | bidirectional | GPIO PE7, standard 3.3 V I/O (TC); alternates TIM1_ETR, UART4_RX, SPI1_SCK. |
| 39 | PE8 | bidirectional | GPIO PE8, standard 3.3 V I/O (TC); alternates TIM1_CH1N, UART5_TX, SDIO_DAT0, SPI1_MISO. |
| 40 | PE9 | bidirectional | GPIO PE9, standard 3.3 V I/O (TC); alternates TIM1_CH1, UART5_RX, SDIO_DAT1, SPI1_MOSI. |
| 41 | PE10 | bidirectional | GPIO PE10, standard 3.3 V I/O (TC); alternates TIM1_CH2N, SDIO_DAT2, SPI2_NSS, I2S2_WS. |
| 42 | PE11 | bidirectional | GPIO PE11, standard 3.3 V I/O (TC); alternates TIM1_CH2, SDIO_DAT3, SPI2_SCK, I2S2_CK. |
| 43 | PE12 | bidirectional | GPIO PE12, standard 3.3 V I/O (TC); alternates TIM1_CH3N, SDIO_CK, SPI2_MISO. |
| 44 | PE13 | bidirectional | GPIO PE13, standard 3.3 V I/O (TC); alternates TIM1_CH3, SPI2_MOSI, I2S2_SD, SDIO_CMD. |
| 45 | PE14 | bidirectional | GPIO PE14, standard 3.3 V I/O (TC); alternate function TIM1_CH4. |
| 46 | PE15 | bidirectional | GPIO PE15, standard 3.3 V I/O (TC); alternate function TIM1_BKIN. |
| 47 | PB10 | bidirectional | GPIO PB10, standard 3.3 V I/O (TC) with fail-safe; alternates I2C2_SCL, USART3_TX, TIM2_CH3. |
| 48 | PB11 | bidirectional | GPIO PB11, standard 3.3 V I/O (TC); alternates I2C2_SDA, USART3_RX, TIM2_CH4. |
| 49 | VSS_1 | power_in | Digital ground pin 1. |
| 50 | VDD_1 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
| 51 | PB12 | bidirectional | GPIO PB12, standard 3.3 V I/O (TC); alternates SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN. |
| 52 | PB13 | bidirectional | GPIO PB13, standard 3.3 V I/O (TC); alternates SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N, UART5_TX. |
| 53 | PB14 | bidirectional | GPIO PB14, standard 3.3 V I/O (TC); alternates SPI2_MISO, TIM1_CH2N, USART3_RTS, UART5_RX. |
| 54 | PB15 | bidirectional | GPIO PB15, standard 3.3 V I/O (TC); alternates SPI2_MOSI, I2S2_SD, TIM1_CH3N. |
| 55 | PD8 | bidirectional | GPIO PD8, standard 3.3 V I/O (TC); alternates USART3_TX, SPI3_NSS, I2S3_WS, CAN1_RX. |
| 56 | PD9 | bidirectional | GPIO PD9, standard 3.3 V I/O (TC); alternates USART3_RX, SPI3_SCK, I2S3_CK, CAN1_TX. |
| 57 | PD10 | bidirectional | GPIO PD10, standard 3.3 V I/O (TC); alternate function USART3_CK. |
| 58 | PD11 | bidirectional | GPIO PD11, standard 3.3 V I/O (TC); alternates USART3_CTS, SPI3_MISO. |
| 59 | PD12 | bidirectional | GPIO PD12, standard 3.3 V I/O (TC); alternates TIM4_CH1, USART3_RTS, SPI3_MOSI, I2S3_SD. |
| 60 | PD13 | bidirectional | GPIO PD13, standard 3.3 V I/O (TC); alternate function TIM4_CH2. |
| 61 | PD14 | bidirectional | GPIO PD14, standard 3.3 V I/O (TC); alternates TIM4_CH3, I2C4_SCL, TIM8_CH1. |
| 62 | PD15 | bidirectional | GPIO PD15, 5 V tolerant (FT) with fail-safe; alternates TIM4_CH4, I2C4_SDA, TIM8_CH2. |
| 63 | PC6 | bidirectional | GPIO PC6, standard 3.3 V I/O (TC) with fail-safe; alternates I2S2_MCK, TIM8_CH1, SDIO_DAT6, I2C4_SCL, TIM3_CH1, SPI2_NSS, I2S2_WS, USART2_CTS. |
| 64 | PC7 | bidirectional | GPIO PC7, standard 3.3 V I/O (TC) with fail-safe; alternates I2S3_MCK, TIM8_CH2, SDIO_DAT7, I2C4_SDA, TIM3_CH2, SPI2_SCK, I2S2_CK, USART2_RTS. |
| 65 | PC8 | bidirectional | GPIO PC8, standard 3.3 V I/O (TC) with fail-safe; alternates TIM8_CH3, SDIO_DAT0, TIM3_CH3, SPI2_MISO, USART2_TX. |
| 66 | PC9 | bidirectional | GPIO PC9, standard 3.3 V I/O (TC) with fail-safe; alternates TIM8_CH4, SDIO_DAT1, TIM3_CH4, SPI2_MOSI, I2S2_SD, USART2_RX. |
| 67 | PA8 | bidirectional | GPIO PA8, 5 V tolerant (FT) with fail-safe; alternates USART1_CK, TIM1_CH1, MCO. |
| 68 | PA9 | bidirectional | GPIO PA9, 5 V tolerant (FT) with fail-safe; alternates USART1_TX, TIM1_CH2, I2C4_SCL. |
| 69 | PA10 | bidirectional | GPIO PA10, 5 V tolerant (FT) with fail-safe; alternates USART1_RX, TIM1_CH3, I2C4_SDA. |
| 70 | PA11 | bidirectional | GPIO PA11, 5 V tolerant (FT) with fail-safe; alternates USART1_CTS, USBDM, CAN1_RX, TIM1_CH4. |
| 71 | PA12 | bidirectional | GPIO PA12, 5 V tolerant (FT) with fail-safe; alternates USART1_RTS, USBDP, CAN1_TX, TIM1_ETR. |
| 72 | PA13 | bidirectional | GPIO PA13, 5 V tolerant (FT) with fail-safe; default function JTMS-SWDIO (SWJ debug), alternate UART4_TX. |
| 73 | NC | unconnected | Not connected. |
| 74 | VSS_2 | power_in | Digital ground pin 2. |
| 75 | VDD_2 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
| 76 | PA14 | bidirectional | GPIO PA14, 5 V tolerant (FT) with fail-safe; default function JTCK-SWCLK (SWJ debug), alternate UART4_RX. |
| 77 | PA15 | bidirectional | GPIO PA15, 5 V tolerant (FT) with fail-safe; default function JTDI, alternates include SPI1_NSS, USART2_CTS, TIM8_CH1N, TIM2_CH1_ETR. |
| 78 | PC10 | bidirectional | GPIO PC10, standard 3.3 V I/O (TC) with fail-safe; alternates UART4_TX, SDIO_DAT2, USART3_TX, SPI3_SCK, I2S3_CK. |
| 79 | PC11 | bidirectional | GPIO PC11, standard 3.3 V I/O (TC) with fail-safe; alternates UART4_RX, SDIO_DAT3, USART3_RX, SPI3_MISO. |
| 80 | PC12 | bidirectional | GPIO PC12, standard 3.3 V I/O (TC) with fail-safe; alternates UART5_TX, SDIO_CLK, USART3_CK, SPI3_MOSI, I2S3_SD, TIM8_CH2N. |
| 81 | PD0 | bidirectional | GPIO PD0 (fixed function pin on LQFP100), 5 V tolerant (FT) with fail-safe; alternates CAN1_RX, UART4_TX. |
| 82 | PD1 | bidirectional | GPIO PD1 (fixed function pin on LQFP100), 5 V tolerant (FT) with fail-safe; alternates CAN1_TX, UART4_RX. |
| 83 | PD2 | bidirectional | GPIO PD2, standard 3.3 V I/O (TC) with fail-safe; alternates TIM3_ETR, UART5_RX, SDIO_CMD, SPI3_NSS, I2S3_WS, TIM8_CH3N. |
| 84 | PD3 | bidirectional | GPIO PD3, 5 V tolerant (FT) with fail-safe; alternate function USART2_CTS. |
| 85 | PD4 | bidirectional | GPIO PD4, standard 3.3 V I/O (TC) with fail-safe; alternate function USART2_RTS. |
| 86 | PD5 | bidirectional | GPIO PD5, standard 3.3 V I/O (TC) with fail-safe; alternate function USART2_TX. |
| 87 | PD6 | bidirectional | GPIO PD6, standard 3.3 V I/O (TC) with fail-safe; alternate function USART2_RX. |
| 88 | PD7 | bidirectional | GPIO PD7, standard 3.3 V I/O (TC) with fail-safe; alternate function USART2_CK. |
| 89 | PB3 | bidirectional | GPIO PB3, 5 V tolerant (FT) with fail-safe; default function JTDO/TRACESWO (SWJ debug); alternates SPI3_SCK, I2S3_CK, TIM2_CH2, SPI1_SCK, USART2_RTS, TIM8_BKIN. |
| 90 | PB4 | bidirectional | GPIO PB4, 5 V tolerant (FT) with fail-safe; default function NJTRST (SWJ debug); alternates SPI3_MISO, TIM3_CH1, SPI1_MISO, USART2_TX, TIM8_ETR. |
| 91 | PB5 | bidirectional | GPIO PB5, 5 V tolerant (FT) with fail-safe; alternates I2C1_SMBA, SPI3_MOSI, I2S3_SD, TIM3_CH2, SPI1_MOSI, USART2_RX, TIM1_BKIN. |
| 92 | PB6 | bidirectional | GPIO PB6, standard 3.3 V I/O (TC) with fail-safe; alternates I2C1_SCL, TIM4_CH1, USART1_TX. |
| 93 | PB7 | bidirectional | GPIO PB7, standard 3.3 V I/O (TC) with fail-safe; alternates I2C1_SDA, TIM4_CH2, USART1_RX. |
| 94 | BOOT0 | input | Boot mode select input (BOOT0 and BOOT1 are inputs with pull-down, selecting flash, system memory or SRAM boot). |
| 95 | PB8 | bidirectional | GPIO PB8, standard 3.3 V I/O (TC) with fail-safe; alternates TIM4_CH3, SDIO_DAT4, I2C1_SCL, CAN1_RX, UART5_TX. |
| 96 | PB9 | bidirectional | GPIO PB9, standard 3.3 V I/O (TC) with fail-safe; alternates TIM4_CH4, SDIO_DAT5, I2C1_SDA, CAN1_TX, UART5_RX. |
| 97 | PE0 | bidirectional | GPIO PE0, 5 V tolerant (FT) with fail-safe; alternate function TIM4_ETR. |
| 98 | PE1 | bidirectional | GPIO PE1, 5 V tolerant (FT) with fail-safe; no alternate function listed. |
| 99 | VSS_3 | power_in | Digital ground pin 3. |
| 100 | VDD_3 | power_in | Digital supply for I/O and internal regulator, 1.8 V to 3.6 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nations Technologies Inc |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Output low level VOL, VDD=3.3V | VOL | | | 0.4 | V | VDD = 3.3 V, IOL= 2mA, 4mA, 8mA, and 12mA | 52 |
| Output low level VOL, VDD=2.5V | VOL | | | 0.4 | V | VDD = 2.5 V, IOL= 1.5mA,3mA, 7mA, and 11mA | 52 |
| Output high level VOH, VDD=3.3V | VOH | 2.4 | | | V | VDD = 3.3 V, IOH= -2mA, -4mA, -8mA, and -12mA | 52 |
| Output high level VOH, VDD=2.5V | VOH | 1.8 | | | V | VDD = 2.5 V, IOH= -1.5mA, -3mA, -7mA, and -11mA | 52 |
| NRST input high level voltage | VIH(NRST) | 2 | | | V | VDD = 3.3 V | 54 |
| NRST Schmitt trigger hysteresis | Vhys(NRST) | 200 | | | mV | VDD = 3.3 V | 54 |
| NRST weak pull-up equivalent resistance | RPU | 30 | 50 | 70 | KΩ | VDD = 3.3 V | 54 |
| NRST input filtered pulse | VF(NRST) | | | 100 | ns | | 54 |
| NRST input non-filtered pulse | VNF(NRST) | 300 | | | ns | | 54 |
| TIM1/8 timer resolution time | tres(TIM) | 6.95 | | | ns | fTIMxCLK= 144MHz | 54 |
| TIM1/8 timer external clock frequency | fEXT | 0 | | 72 | MHz | fTIMxCLK= 144MHz | 54 |
| TIM1/8 16-bit counter clock period | tCOUNTER | 0.00695 | | 455 | μs | fTIMxCLK= 144MHz, internal clock selected | 54 |
| TIM1/8 maximum possible count | tMAX_COUNT | | | 29.8 | s | fTIMxCLK= 144MHz | 54 |
| TIM2/3/4/5 timer resolution time | tres(TIM) | 13.9 | | | ns | fTIMxCLK= 72MHz | 54 |
| TIM2/3/4/5 timer external clock frequency | fEXT | 0 | | 36 | MHz | fTIMxCLK= 72MHz | 54 |
| TIM2/3/4/5 16-bit counter clock period | tCOUNTER | 0.0139 | | 910 | μs | fTIMxCLK= 72MHz, internal clock selected | 54 |
| I/O max frequency, 2mA drive | fmax(IO)out | | | 75 | MHz | 2mA; CL=5pF,VDD=3.3V | 53 |
| I/O max frequency, 2mA drive | fmax(IO)out | | | 50 | MHz | 2mA; CL=5pF,VDD=2.5V | 53 |
| I/O max frequency, 2mA drive | fmax(IO)out | | | 30 | MHz | 2mA; CL=5pF,VDD=1.8V | 53 |
| I/O output delay, 2mA drive | t(IO)out | | | 3.66 | ns | 2mA; CL=5pF,VDD=3.3V | 53 |
| I/O output delay, 2mA drive | t(IO)out | | | 4.72 | ns | 2mA; CL=5pF,VDD=2.5V | 53 |
| I/O output delay, 2mA drive | t(IO)out | | | 7.12 | ns | 2mA; CL=5pF,VDD=1.8V | 53 |
| I/O input delay, 2mA drive | t(IO)in | | | 2 | ns | 2mA; CL=50fF,VDD=2.97V,VDDD=0.81V | 53 |
| I/O max frequency, 4mA drive | fmax(IO)out | | | 90 | MHz | 4mA; CL=10pF,VDD=3.3V | 53 |
| I/O max frequency, 4mA drive | fmax(IO)out | | | 60 | MHz | 4mA; CL=10pF,VDD=2.5V | 53 |
| I/O max frequency, 4mA drive | fmax(IO)out | | | 40 | MHz | 4mA; CL=10pF,VDD=1.8V | 53 |
| I/O output delay, 4mA drive | t(IO)out | | | 3.5 | ns | 4mA; CL=10pF,VDD=3.3V | 53 |
| I/O output delay, 4mA drive | t(IO)out | | | 4.5 | ns | 4mA; CL=10pF,VDD=2.5V | 53 |
| I/O output delay, 4mA drive | t(IO)out | | | 6.74 | ns | 4mA; CL=10pF,VDD=1.8V | 53 |
| I/O input delay, 4mA drive | t(IO)in | | | 2 | ns | 4mA; CL=50fF,VDD=2.97V,VDDD=0.81V | 53 |
| I/O max frequency, 8mA drive | fmax(IO)out | | | 100 | MHz | 8mA; CL=20pF,VDD=3.3V | 53 |
| I/O max frequency, 8mA drive | fmax(IO)out | | | 75 | MHz | 8mA; CL=20pF,VDD=2.5V | 53 |
| I/O max frequency, 8mA drive | fmax(IO)out | | | 50 | MHz | 8mA; CL=20pF,VDD=1.8V | 53 |
| I/O output delay, 8mA drive | t(IO)out | | | 3.42 | ns | 8mA; CL=20pF,VDD=3.3V | 53 |
| I/O output delay, 8mA drive | t(IO)out | | | 4.73 | ns | 8mA; CL=20pF,VDD=2.5V | 53 |
| I/O output delay, 8mA drive | t(IO)out | | | 6.53 | ns | 8mA; CL=20pF,VDD=1.8V | 53 |
| I/O input delay, 8mA drive | t(IO)in | | | 2 | ns | 8mA; CL=50fF,VDD=2.97V,VDDD=0.81V | 53 |
| I/O max frequency, 12mA drive | fmax(IO)out | | | 120 | MHz | 12mA; CL=30pF,VDD=3.3V | 53 |
| I/O max frequency, 12mA drive | fmax(IO)out | | | 90 | MHz | 12mA; CL=30pF,VDD=2.5V | 53 |
| I/O max frequency, 12mA drive | fmax(IO)out | | | 60 | MHz | 12mA; CL=30pF,VDD=1.8V | 53 |
| I/O output delay, 12mA drive | t(IO)out | | | 3.34 | ns | 12mA; CL=30pF,VDD=3.3V | 53 |
| I/O output delay, 12mA drive | t(IO)out | | | 4.26 | ns | 12mA; CL=3pF,VDD=2.5V | 53 |
| I/O output delay, 12mA drive | t(IO)out | | | 6.34 | ns | 12mA; CL=3pF,VDD=1.8V | 53 |
| I/O input delay, 12mA drive | t(IO)in | | | 2 | ns | 12mA; CL=50fF,VDD=2.97V,VDDD=0.81V | 53 |
| Supply voltage VDDA (ADC) | VDDA | 1.8 | | 3.6 | V | | 65 |
| Positive reference voltage VREF+ | VREF+ | 1.8 | | | V | | 65 |
| ADC clock frequency | fADC | | | 80 | MHz | | 65 |
| ADC sampling rate, 12-bit | fs | 0.01 | | 4.7 | MHz | 1.8V ≤ VDD ≤ 3.6V,分辨率12bit | 65 |
| ADC sampling rate, 10-bit | fs | 0.012 | | 6.1 | MHz | 1.8V ≤ VDD ≤ 3.6V,分辨率10bit | 65 |
| ADC sampling rate, 8-bit | fs | 0.014 | | 7.3 | MHz | 1.8V ≤ VDD ≤ 3.6V,分辨率8bit | 65 |
| ADC sampling rate, 6-bit | fs | 0.0175 | | 8.9 | MHz | 1.8V ≤ VDD ≤ 3.6V,分辨率6bit | 65 |
| ADC sampling switch resistance, fast channel | RADC | | | 137.6 | Ω | 快速通道,3.6V电压条件下 | 65 |
| ADC sampling switch resistance, slow channel | RADC | | | 147 | Ω | 慢速通道,3.6V电压条件下 | 65 |
| ADC sampling time tS, fast channel | tS | 0.056 | | 8.35 | μs | fADC = 80 MHz, 快速通道, 分辨率12bit | 65 |
| ADC sampling time tS, slow channel | tS | 0.056 | | 8.35 | μs | fADC = 80 MHz, 慢速通道, 分辨率12bit | 65 |
| ADC sampling period Ts, fast channel | Ts | 4.5 | | 601.5 | 1/fADC | fADC = 80 MHz, 快速通道, 分辨率12bit | 65 |
| ADC sampling period Ts, slow channel | Ts | 4.5 | | 601.5 | 1/fADC | fADC = 80 MHz, 慢速通道, 分辨率12bit | 65 |
| ADC power-on time | tSTAB | 6 | 10 | 20 | μs | | 65 |
| ADC total conversion time (including sampling) | tCONV | 8 | | 614 | 1/fADC | | 65 |
## CAD (KiCad official)
- Symbol: `N32G451VCL7`
- Footprint: `Package_QFP:LQFP-100_14x14mm_P0.5mm`
- 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files: `n32g451vcl7-etched.step` / `n32g451vcl7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `n32g451vcl7.step` / `n32g451vcl7.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nations Technologies Inc datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757135483187281920) (76 pp, sha256 `dbeae2e3a5d0603f`, retrieved 2026-10-20, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/n32g451vcl7-datasheet.pdf)