component
STM32F446VCT6TR
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTM32F446VCT6TR
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)
STM32F446VCT6TR from STMicroelectronics, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PE2 | bidirectional | GPIO port E pin 2 with 5V tolerant I/O supporting TRACECLK, SPI4_SCK, SAI1_MCLK_A, QUADSPI_BK1_IO2, and FMC_A23 alternate functions. |
| 2 | PE3 | bidirectional | GPIO port E pin 3 with 5V tolerant I/O supporting TRACED0, SAI1_SD_B, and FMC_A19 alternate functions. |
| 3 | PE4 | bidirectional | GPIO port E pin 4 with 5V tolerant I/O supporting TRACED1, SPI4_NSS, SAI1_FS_A, FMC_A20, and DCMI_D4 alternate functions. |
| 4 | PE5 | bidirectional | GPIO port E pin 5 with 5V tolerant I/O supporting TRACED2, TIM9_CH1, SPI4_MISO, SAI1_SCK_A, FMC_A21, and DCMI_D6 alternate functions. |
| 5 | PE6 | bidirectional | GPIO port E pin 6 with 5V tolerant I/O supporting TRACED3, TIM9_CH2, SPI4_MOSI, SAI1_SD_A, FMC_A22, and DCMI_D7 alternate functions. |
| 6 | VBAT | power_in | Supply input pin for real-time clock and backup memory, accepts 1.7 to 3.6 V, referenced at 20×32 bit backup registers and optional 4 KB backup SRAM. |
| 7 | PC13 | bidirectional | GPIO port C pin 13 with 5V tolerant I/O supporting EVENTOUT and TAMP_1/WKUP1 alternate functions. |
| 8 | PC14-OSC32_IN | bidirectional | GPIO port C pin 14 with 5V tolerant I/O configured for 32 kHz oscillator input, supports EVENTOUT alternate function. |
| 9 | PC15-OSC32_OUT | bidirectional | GPIO port C pin 15 with 5V tolerant I/O configured for 32 kHz oscillator output, supports EVENTOUT alternate function. |
| 10 | VSS | power_in | Ground supply pin, reference potential for all circuits. |
| 11 | VDD | power_in | Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply. |
| 12 | PH0-OSC_IN | bidirectional | GPIO port H pin 0 with 5V tolerant I/O configured for main oscillator input with 4 to 26 MHz crystal capability. |
| 13 | PH1-OSC_OUT | bidirectional | GPIO port H pin 1 with 5V tolerant I/O configured for main oscillator output. |
| 14 | NRST | input | System reset input/output pin with weak pull-up resistor, detects external reset signals and triggers device reset. |
| 15 | PC0 | bidirectional | GPIO port C pin 0 with 5V tolerant I/O supporting SAI1_MCLK_B, OTG_HS_ULPI_STP, and FMC_SDNWE alternate functions. |
| 16 | PC1 | bidirectional | GPIO port C pin 1 with 5V tolerant I/O supporting SPI3/I2S3_SD, SAI1_SD_A, SPI2/I2S2_SD alternate functions. |
| 17 | PC2 | bidirectional | GPIO port C pin 2 with 5V tolerant I/O supporting SPI2_MISO, OTG_HS_ULPI_DIR, and FMC_SDNE0 alternate functions. |
| 18 | PC3 | bidirectional | GPIO port C pin 3 with 5V tolerant I/O supporting SPI2/I2S2_SD, OTG_HS_ULPI_NXT, and FMC_SDCKE0 alternate functions. |
| 19 | VDD | power_in | Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply. |
| 20 | VSSA | power_in | Analog ground supply pin, reference potential for analog circuits. |
| 21 | VREF+ | power_in | Reference voltage supply pin for analog functions including ADC, accepts 1.7 to 3.6 V. |
| 22 | VDDA | power_in | Analog supply input pin, accepts 1.7 to 3.6 V for analog circuit operation. |
| 23 | PA0-WKUP | bidirectional | GPIO port A pin 0 with 5V tolerant I/O, supports wakeup/external interrupt capability and TIM2/TIM5/TIM8 alternate functions. |
| 24 | PA1 | bidirectional | GPIO port A pin 1 with 5V tolerant I/O supporting TIM2_CH2, TIM5_CH2, USART2_RTS, UART4_RX, QUADSPI_BK1_IO3, and SAI2_MCLK_B alternate functions. |
| 25 | PA2 | bidirectional | GPIO port A pin 2 with 5V tolerant I/O supporting TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, and SAI2_SCK_B alternate functions. |
| 26 | PA3 | bidirectional | GPIO port A pin 3 with 5V tolerant I/O supporting TIM2_CH4, TIM5_CH4, TIM9_CH2, SAI1_FS_A, USART2_RX, and OTG_HS_ULPI_D0 alternate functions. |
| 27 | VSS | power_in | Ground supply pin, reference potential for all circuits. |
| 28 | VDD | power_in | Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply. |
| 29 | PA4 | bidirectional | GPIO port A pin 4 with 3.3V tolerant I/O directly connected to ADC, supports SPI1/I2S1_WS, SPI3/I2S3_WS, USART2_CK, OTG_HS_SOF, and DCMI_HSYNC alternate functions. |
| 30 | PA5 | bidirectional | GPIO port A pin 5 with 3.3V tolerant I/O directly connected to ADC, supports TIM2/TIM8_CH1N, SPI1_SCK/I2S1_CK, and OTG_HS_ULPI_CK alternate functions. |
| 31 | PA6 | bidirectional | GPIO port A pin 6 with 5V tolerant I/O supporting TIM1/TIM3/TIM8/TIM13 and SPI1_MISO alternate functions. |
| 32 | PA7 | bidirectional | GPIO port A pin 7 with 5V tolerant I/O supporting TIM1/TIM3/TIM8/TIM14 and SPI1/I2S1_SD alternate functions. |
| 33 | PC4 | bidirectional | GPIO port C pin 4 with 5V tolerant I/O supporting I2S1_MCK, SPDIFRX_IN2, and FMC_SDNE0 alternate functions. |
| 34 | PC5 | bidirectional | GPIO port C pin 5 with 5V tolerant I/O supporting USART3_RX, SPDIFRX_IN3, and FMC_SDCKE0 alternate functions. |
| 35 | PB0 | bidirectional | GPIO port B pin 0 with 5V tolerant I/O supporting TIM1/TIM3/TIM8, SPI3/I2S3_SD, UART4_CTS, OTG_HS_ULPI_D1, and SDIO_D1 alternate functions. |
| 36 | PB1 | bidirectional | GPIO port B pin 1 with 5V tolerant I/O supporting TIM1/TIM3/TIM8, OTG_HS_ULPI_D2, and SDIO_D2 alternate functions. |
| 37 | PB2 | bidirectional | Dedicated BOOT1 pin for selecting boot mode during power-up or reset, also GPIO with 5V tolerant I/O supporting TIM2_CH4, SAI1_SD_A, SPI3/I2S3_SD, and QUADSPI_CLK alternate functions. |
| 38 | PE7 | bidirectional | GPIO port E pin 7 with 5V tolerant I/O supporting TIM1_ETR, UART5_RX, QUADSPI_BK2_IO0, and FMC_D4 alternate functions. |
| 39 | PE8 | bidirectional | GPIO port E pin 8 with 5V tolerant I/O supporting TIM1_CH1N, UART5_TX, QUADSPI_BK2_IO1, and FMC_D5 alternate functions. |
| 40 | PE9 | bidirectional | GPIO port E pin 9 with 5V tolerant I/O supporting TIM1_CH1, QUADSPI_BK2_IO2, and FMC_D6 alternate functions. |
| 41 | PE10 | bidirectional | GPIO port E pin 10 with 5V tolerant I/O supporting TIM1_CH2N, QUADSPI_BK2_IO3, and FMC_D7 alternate functions. |
| 42 | PE11 | bidirectional | GPIO port E pin 11 with 5V tolerant I/O supporting TIM1_CH2, SPI4_NSS, SAI2_SD_B, and FMC_D8 alternate functions. |
| 43 | PE12 | bidirectional | GPIO port E pin 12 with 5V tolerant I/O supporting TIM1_CH3N, SPI4_SCK, SAI2_SCK_B, and FMC_D9 alternate functions. |
| 44 | PE13 | bidirectional | GPIO port E pin 13 with 5V tolerant I/O supporting TIM1_CH3, SPI4_MISO, SAI2_FS_B, and FMC_D10 alternate functions. |
| 45 | PE14 | bidirectional | GPIO port E pin 14 with 5V tolerant I/O supporting TIM1_CH4, SPI4_MOSI, SAI2_MCLK_B, and FMC_D11 alternate functions. |
| 46 | PE15 | bidirectional | GPIO port E pin 15 with 5V tolerant I/O supporting TIM1_BKIN and FMC_D12 alternate functions. |
| 47 | PB10 | bidirectional | GPIO port B pin 10 with 5V tolerant I/O supporting TIM2_CH3, I2C2_SCL, SPI2/I2S2_CK, SAI1_SCK_A, USART3_TX, and OTG_HS_ULPI_D3 alternate functions. |
| 48 | VCAP_1 | power_in | Capacitor connection pin for internal voltage regulator, connect 100 nF capacitor between VCAP_1 and ground. |
| 49 | VSS | power_in | Ground supply pin, reference potential for all circuits. |
| 50 | VDD | power_in | Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply. |
| 51 | PB12 | bidirectional | GPIO port B pin 12 with 5V tolerant I/O supporting TIM1_BKIN, I2C2_SMBA, SPI2/I2S2_WS, SAI1_SCK_B, USART3_CK, CAN2_RX, and OTG_HS_ULPI_D5/OTG_HS_ID alternate functions. |
| 52 | PB13 | bidirectional | GPIO port B pin 13 with 5V tolerant I/O supporting TIM1_CH1N, SPI2/I2S2_CK, USART3_CTS, CAN2_TX, OTG_HS_ULPI_D6 alternate functions and OTG_HS_VBUS input. |
| 53 | PB14 | bidirectional | GPIO port B pin 14 with 5V tolerant I/O powered by VDDUSB, supporting TIM1/TIM8_CH2N, SPI2_MISO, USART3_RTS, TIM12_CH1, and OTG_HS_DM alternate functions. |
| 54 | PB15 | bidirectional | GPIO port B pin 15 with 5V tolerant I/O powered by VDDUSB, supporting RTC_REFIN, TIM1/TIM8_CH3N, SPI2/I2S2_SD, TIM12_CH2, and OTG_HS_DP alternate functions. |
| 55 | PD8 | bidirectional | GPIO port D pin 8 with 5V tolerant I/O supporting USART3_TX, SPDIFRX_IN1, and FMC_D13 alternate functions. |
| 56 | PD9 | bidirectional | GPIO port D pin 9 with 5V tolerant I/O supporting USART3_RX and FMC_D14 alternate functions. |
| 57 | PD10 | bidirectional | GPIO port D pin 10 with 5V tolerant I/O supporting USART3_CK and FMC_D15 alternate functions. |
| 58 | PD11 | bidirectional | GPIO port D pin 11 with 5V tolerant I/O supporting FMPI2C1_SMBA, USART3_CTS, QUADSPI_BK1_IO0, SAI2_SD_A, and FMC_A16 alternate functions. |
| 59 | PD12 | bidirectional | GPIO port D pin 12 with 5V tolerant I/O and I2C FM+ option supporting TIM4_CH1, FMPI2C1_SCL, USART3_RTS, QUADSPI_BK1_IO1, SAI2_FS_A, and FMC_A17 alternate functions. |
| 60 | PD13 | bidirectional | GPIO port D pin 13 with 5V tolerant I/O and I2C FM+ option supporting TIM4_CH2, FMPI2C1_SDA, QUADSPI_BK1_IO3, SAI2_SCK_A, and FMC_A18 alternate functions. |
| 61 | PD14 | bidirectional | GPIO port D pin 14 with 5V tolerant I/O and I2C FM+ option supporting TIM4_CH3, FMPI2C1_SCL, SAI2_SCK_A, and FMC_D0 alternate functions. |
| 62 | PD15 | bidirectional | GPIO port D pin 15 with 5V tolerant I/O and I2C FM+ option supporting TIM4_CH4, FMPI2C1_SDA, and FMC_D1 alternate functions. |
| 63 | PC6 | bidirectional | GPIO port C pin 6 with 5V tolerant I/O and I2C FM+ option supporting TIM3/TIM8_CH1, FMPI2C1_SCL, I2S2_MCK, USART6_TX, SDIO_D6, and DCMI_D0 alternate functions. |
| 64 | PC7 | bidirectional | GPIO port C pin 7 with 5V tolerant I/O and I2C FM+ option supporting TIM3/TIM8_CH2, FMPI2C1_SDA, SPI2/I2S2_CK, I2S3_MCK, SPDIFRX_IN1, USART6_RX, SDIO_D7, and DCMI_D1 alternate functions. |
| 65 | PC8 | bidirectional | GPIO port C pin 8 with 5V tolerant I/O supporting TRACED0, TIM3/TIM8_CH3, UART5_RTS, USART6_CK, SDIO_D0, and DCMI_D2 alternate functions. |
| 66 | PC9 | bidirectional | GPIO port C pin 9 with 5V tolerant I/O supporting MCO2, TIM3/TIM8_CH4, I2C3_SDA, I2S_CKIN, UART5_CTS, QUADSPI_BK1_IO0, SDIO_D1, and DCMI_D3 alternate functions. |
| 67 | PA8 | bidirectional | GPIO port A pin 8 with 5V tolerant I/O supporting MCO1, TIM1_CH1, I2C3_SCL, USART1_CK, and OTG_FS_SOF alternate functions. |
| 68 | PA9 | bidirectional | GPIO port A pin 9 with 5V tolerant I/O supporting TIM1_CH2, I2C3_SMBA, SPI2/I2S2_CK, SAI1_SD_B, USART1_TX, DCMI_D0 alternate functions and OTG_FS_VBUS input. |
| 69 | PA10 | bidirectional | GPIO port A pin 10 with 5V tolerant I/O supporting TIM1_CH3, USART1_RX, OTG_FS_ID, and DCMI_D1 alternate functions. |
| 70 | PA11 | bidirectional | GPIO port A pin 11 with 5V tolerant I/O powered by VDDUSB, supporting TIM1_CH4, USART1_CTS, CAN1_RX, and OTG_FS_DM alternate functions. |
| 71 | PA12 | bidirectional | GPIO port A pin 12 with 5V tolerant I/O powered by VDDUSB, supporting TIM1_ETR, USART1_RTS, SAI2_FS_B, CAN1_TX, and OTG_FS_DP alternate functions. |
| 72 | PA13 | bidirectional | GPIO port A pin 13 with 5V tolerant I/O, reserved for JTAG test mode select (JTMS) and serial wire debug input/output (SWDIO) functions. |
| 73 | VCAP_2 | power_in | Capacitor connection pin for internal voltage regulator, connect 100 nF capacitor between VCAP_2 and ground. |
| 74 | VSS | power_in | Ground supply pin, reference potential for all circuits. |
| 75 | VDD | power_in | Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply. |
| 76 | PA14 | bidirectional | GPIO port A pin 14 with 5V tolerant I/O, reserved for JTAG test clock (JTCK) and serial wire debug clock (SWCLK) functions. |
| 77 | PA15 | bidirectional | GPIO port A pin 15 with 5V tolerant I/O supporting JTDI, TIM2/TIM2_ETR, HDMI_CEC, SPI1/SPI3_NSS and I2S functions, UART4_RTS alternate functions. |
| 78 | PC10 | bidirectional | |
| 79 | PC11 | bidirectional | |
| 80 | PC12 | bidirectional | |
| 81 | PD0 | bidirectional | |
| 82 | PD1 | bidirectional | |
| 83 | PD2 | bidirectional | |
| 84 | PD3 | bidirectional | |
| 85 | PD4 | bidirectional | |
| 86 | PD5 | bidirectional | |
| 87 | PD6 | bidirectional | |
| 88 | PD7 | bidirectional | |
| 89 | PB3 | bidirectional | |
| 90 | PB4 | bidirectional | |
| 91 | PB5 | bidirectional | |
| 92 | PB6 | bidirectional | |
| 93 | PB7 | bidirectional | |
| 94 | BOOT0 | input | |
| 95 | PB8 | bidirectional | |
| 96 | PB9 | bidirectional | |
| 97 | PE0 | bidirectional | |
| 98 | PE1 | bidirectional | |
| 99 | VSS | power_in | Ground supply pin, reference potential for all circuits. |
| 100 | VDD | power_in | Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |
CAD (KiCad official)
- Symbol:
STM32F446VCT6TR - Footprint:
Package_QFP:LQFP-100_14x14mm_P0.5mm - 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files:
stm32f446vct6tr-etched.step/stm32f446vct6tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f446vct6tr.step/stm32f446vct6tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (198 pp, sha256
3902cf9f939a0ef6, retrieved 2026-09-29, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).