component
AT32F403ACGT7
Public Made by Adomby adom
ARTERY Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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|---|---|
| docs | 8d ago |
| viewers | 8d ago |
| at32f403acgt7-etched.glb | 8d ago |
| at32f403acgt7-etched.step | 8d ago |
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| at32f403acgt7.glb | 8d ago |
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| README.md | 8d ago |
AT32F403ACGT7
ARTERY · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
AT32F403ACGT7 from ARTERY, in a LQFP-48(7x7). 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 | VBAT | power_in | Backup-domain supply, 1.8 to 3.6 V, powers the RTC, the external 32 kHz oscillator and the backup registers when VDD is off. |
| 2 | PC13/TAMPER-RTC | bidirectional | Standard-level (TC) I/O also used as TAMPER-RTC; it is fed through a power switch limited to 3 mA, so as an output it is restricted to medium drive with a maximum 30 pF load and cannot source LEDs. |
| 3 | PC14/OSC32_IN | bidirectional | Standard-level (TC) I/O multiplexed with the LSE 32.768 kHz oscillator input OSC32_IN, with the same 3 mA power-switch limit as PC13. |
| 4 | PC15/OSC32_OUT | bidirectional | Standard-level (TC) I/O multiplexed with the LSE oscillator output OSC32_OUT, with the same 3 mA power-switch limit as PC13. |
| 5 | PD0/OSC_IN | bidirectional | Standard-level (TC) pin that defaults to the HSE oscillator input OSC_IN (4 to 25 MHz crystal) after reset and can be remapped to PD0 by software. |
| 6 | PD1/OSC_OUT | bidirectional | Standard-level (TC) pin that defaults to the HSE oscillator output OSC_OUT after reset and can be remapped to PD1 by software. |
| 7 | NRST | input | Active-low reset input with an internal pull-up of 30 to 50 kΩ, with VIL maximum 0.8 V and VIH minimum 2 V. |
| 8 | VSSA | power_in | Analog ground for the ADC and DAC; must be connected to VSS. |
| 9 | VDDA | power_in | Analog supply for the ADC and DAC, 2.6 to 3.6 V; must be connected to VDD (at most 300 mV difference during power-up and operation). |
| 10 | PA0-WKUP | bidirectional | Standard-level (TC) I/O with ADC123_IN0 analog input and the WKUP wake-up function, also USART2_CTS, TMR2 and UART4_TX alternates. |
| 11 | PA1 | bidirectional | 5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC123_IN1 and USART2_RTS alternates. |
| 12 | PA2 | bidirectional | 5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC123_IN2, USART2_TX and TMR alternates. |
| 13 | PA3 | bidirectional | 5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC123_IN3, USART2_RX and TMR alternates. |
| 14 | PA4 | bidirectional | 5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; DAC_OUT1 and ADC12_IN4 analog functions, USART2_CK and SPI1_NSS alternates. |
| 15 | PA5 | bidirectional | 5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; DAC_OUT2 and ADC12_IN5 analog functions, SPI1_SCK alternate. |
| 16 | PA6 | bidirectional | 5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC12_IN6, SPI1_MISO and TMR3/TMR8/TMR13 alternates. |
| 17 | PA7 | bidirectional | 5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC12_IN7, SPI1_MOSI and TMR3/TMR8/TMR14 alternates. |
| 18 | PB0 | bidirectional | 5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC12_IN8, I2S1_MCK and TMR3/TMR8 alternates. |
| 19 | PB1 | bidirectional | 5 V-tolerant I/O (FTa) when configured as input, but not 5 V-tolerant in analog mode where the input must stay below VDD + 0.3 V; ADC12_IN9, SPIM_SCK and TMR3/TMR8 alternates. |
| 20 | PB2/BOOT1 | bidirectional | 5 V-tolerant general-purpose I/O (FT) shared with the BOOT1 boot-configuration function. |
| 21 | PB10 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with USART3_TX and I2C2_SCL alternates; remap options include I2S3_MCK, SPIM_IO0 and TMR2_CH3. |
| 22 | PB11 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with USART3_RX and I2C2_SDA alternates; remap options include SPIM_IO1 and TMR2_CH4. |
| 23 | VSS_1 | power_in | Digital ground for the I/O and logic. |
| 24 | VDD_1 | power_in | Digital supply for I/O pins and internal regulator, 2.6 to 3.6 V. |
| 25 | PB12 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with USART3_CK, CAN2_RX, SPI2_NSS, I2S2_WS and TMR1_BKIN alternates; remap option XMC_D13. |
| 26 | PB13 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with USART3_CTS, CAN2_TX, SPI2_SCK, I2S2_CK and TMR1_CH1N alternates. |
| 27 | PB14 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with USART3_RTS, SPI2_MISO, I2S2ext_SD and TMR1/TMR12 alternates; remap option XMC_D0. |
| 28 | PB15 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with SPI2_MOSI, I2S2_SD, TMR1_CH3N and TMR12_CH2 alternates. |
| 29 | PA8 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with CLKOUT, USART1_CK, I2C3_SCL, USB_SOF, SPIM_NSS and TMR1_CH1 alternates. |
| 30 | PA9 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with USART1_TX (bootloader USART1 TX), I2C3_SMBA and TMR1_CH2 alternates. |
| 31 | PA10 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with USART1_RX and TMR1_CH3 alternates; remap option I2S4_MCK. |
| 32 | PA11 | bidirectional | Standard-level (TC) I/O with USB_DM full-speed USB data line, plus USART1_CTS, CAN1_RX, SPIM_IO0 and TMR1_CH4 alternates. |
| 33 | PA12 | bidirectional | Standard-level (TC) I/O with USB_DP full-speed USB data line, plus USART1_RTS, CAN1_TX, SPIM_IO1 and TMR1_ETR alternates. |
| 34 | PA13 | bidirectional | 5 V-tolerant I/O (FT) with JTMS-SWDIO serial-wire debug data function. |
| 35 | VSS_2 | power_in | Digital ground for the I/O and logic. |
| 36 | VDD_2 | power_in | Digital supply for I/O pins and internal regulator, 2.6 to 3.6 V. |
| 37 | PA14 | bidirectional | 5 V-tolerant I/O (FT) with JTCK-SWCLK serial-wire debug clock function. |
| 38 | PA15 | bidirectional | 5 V-tolerant I/O (FT) with JTDI debug function; alternates SPI3_NSS and I2S3_WS, remap option SPI1_NSS / I2S1_WS / TMR2 channels. |
| 39 | PB3 | bidirectional | 5 V-tolerant I/O (FT) with JTDO debug function; alternates SPI3_SCK and I2S3_CK, remap option TRACESWO and SPI1_SCK. |
| 40 | PB4 | bidirectional | 5 V-tolerant I/O (FT) with NJTRST debug function; alternates SPI3_MISO and I2S3ext_SD, remap option I2C3_SDA and UART7_TX. |
| 41 | PB5 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with SPI3_MOSI, I2S3_SD and I2C1_SMBA alternates; remap options SPI1_MOSI, I2S1_SD, CAN2_RX and TMR3_CH2. |
| 42 | PB6 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with I2C1_SCL, SPIM_IO3 and TMR4_CH1 alternates; remap option USART1_TX, I2S1_MCK and CAN2_TX. |
| 43 | PB7 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with I2C1_SDA, XMC_NADV, SPIM_IO2 and TMR4_CH2 alternates; remap option USART1_RX and SPI4_SCK. |
| 44 | BOOT0 | input | Boot-mode select input; its weak pull-down (about 70 kΩ) cannot be disabled. |
| 45 | PB8 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with SDIO1_D4, TMR4_CH3 and TMR10_CH1 alternates; remap option UART5_RX, SPI4_MISO, I2C1_SCL and CAN1_RX. |
| 46 | PB9 | bidirectional | 5 V-tolerant general-purpose I/O (FT) with SDIO1_D5, TMR4_CH4 and TMR11_CH1 alternates; remap option UART5_TX, SPI4_MOSI, I2S4_SD, I2C1_SDA and CAN1_TX. |
| 47 | VSS_3 | power_in | Digital ground for the I/O and logic. |
| 48 | VDD_3 | power_in | Digital supply for I/O pins and internal regulator, 2.6 to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ARTERY |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| SD/MMC data-transfer clock frequency | fPP | 0 | 48 | MHz | CL ≤ 30 pF | 77 | |
| Clock low time | tW(CKL) | 32 | ns | CL ≤ 30 pF | 77 | ||
| Clock high time | tW(CKH) | 30 | ns | CL ≤ 30 pF | 77 | ||
| Clock rise time | tr | 4 | ns | CL ≤ 30 pF | 77 | ||
| Clock fall time | tf | 5 | ns | CL ≤ 30 pF | 77 | ||
| CMD/D input setup time to CK | tISU | 2 | ns | CL ≤ 30 pF | 77 | ||
| CMD/D input hold time from CK | tIH | 0 | ns | CL ≤ 30 pF | 77 | ||
| CMD/D output valid time (MMC and SD high-speed mode) | tOV | 6 | ns | CL ≤ 30 pF | 77 | ||
| CMD/D output hold time (MMC and SD high-speed mode) | tOH | 0 | ns | CL ≤ 30 pF | 77 | ||
| CMD/D output valid default time (SD default mode) | tOVD | 7 | ns | CL ≤ 30 pF | 77 | ||
| CMD/D output hold default time (SD default mode) | tOHD | 0.5 | ns | CL ≤ 30 pF | 77 | ||
| USB transceiver startup time | tSTARTUP | 1 | μs | 78 | |||
| USB operating voltage | VDD | 3 | 3.6 | V | 78 | ||
| USB differential input sensitivity /USB_DP, USB_DM/ | VDI | 0.2 | 78 | ||||
| USB differential common-mode range | VCM | 0.8 | 2.5 | V | Includes VDI range | 78 | |
| USB single-ended receiver threshold | VSE | 1.3 | 2 | V | 78 | ||
| USB static output low level | VOL | 0.3 | V | 1.24 kΩ RL to 3.6 V | 78 | ||
| USB static output high level | VOH | 2.8 | 3.6 | V | 15 kΩ RL to VSS | 78 | |
| USB_DP internal pull-up resistance | RPU | 0.97 | 1.24 | 1.58 | kΩ | VIN = VSS | 78 |
| USB full-speed rise time | tr | 4 | 20 | ns | CL ≤ 50 pF | 78 | |
| USB full-speed fall time | tf | 4 | 20 | ns | CL ≤ 50 pF | 78 | |
| USB rise/fall time matching (tr/tf) | trfm | 90 | 110 | % | 78 | ||
| USB output signal crossover voltage | VCRS | 1.3 | 2 | V | 78 | ||
| ADC supply voltage | VDDA | 2.6 | 3.6 | V | 79 | ||
| ADC positive reference voltage | VREF+ | 2.6 | V | 79 | |||
| Current into VDDA input pin | IDDA | 380 | 445 | μA | 79 | ||
| Current into VREF input pin | IVREF | 200 | 220 | μA | 79 | ||
| ADC clock frequency | fADC | 0.6 | 28 | MHz | 79 | ||
| ADC sampling rate | fS | 0.05 | 2 | MHz | 79 | ||
| External trigger frequency | fTRIG | 1.65 | MHz | fADC = 28 MHz | 79 | ||
| External trigger frequency | fTRIG | 17 | 1/fADC | 79 | |||
| Conversion voltage range | VAIN | 0 | V | VSSA or VREF- connected to ground | 79 | ||
| Injected trigger conversion latency | tlat | 107 | ns | fADC = 28 MHz | 79 | ||
| Injected trigger conversion latency | tlat | 3 | 1/fADC | 79 | |||
| Regular trigger conversion latency | tlatr | 71.4 | μs | fADC = 28 MHz | 79 | ||
| Regular trigger conversion latency | tlatr | 2 | 1/fADC | 79 | |||
| Sampling time | tS | 0.053 | 8.55 | μs | fADC = 28 MHz | 79 | |
| Sampling time | tS | 1.5 | 239.5 | 1/fADC | 79 | ||
| Total conversion time (including sampling time) | tCONV | 0.5 | 9 | μs | fADC = 28 MHz | 79 | |
| Total conversion time (including sampling time) | tCONV | 14 | 252 | 1/fADC | 79 |
CAD (KiCad official)
- Symbol:
AT32F403ACGT7 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
at32f403acgt7-etched.step/at32f403acgt7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);at32f403acgt7.step/at32f403acgt7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ARTERY datasheet (96 pp, sha256
602689c1ae94c051, retrieved 2026-10-19, 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).