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Contents

README

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AT32F403AVGT7

ARTERY · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)

AT32F403AVGT7 from ARTERY, 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 5V-tolerant (FT) I/O; alternate functions SPI4_SCK/I2S4_CK, XMC_A23, TRACECK.
2 PE3 bidirectional 5V-tolerant (FT) I/O; alternate functions XMC_A19, TRACED0.
3 PE4 bidirectional 5V-tolerant (FT) I/O; alternate functions SPI4_NSS/I2S4_WS, XMC_A20, TRACED1.
4 PE5 bidirectional 5V-tolerant (FT) I/O; alternate functions SPI4_MISO, XMC_A21, TRACED2; remap TMR9_CH1.
5 PE6 bidirectional 5V-tolerant (FT) I/O; alternate functions SPI4_MOSI/I2S4_SD, XMC_A22, TRACED3; remap TMR9_CH2.
6 VBAT power_in Backup supply, 1.8 to 3.6 V, powering RTC, 32 kHz oscillator and backup registers when VDD is off.
7 PC13/TAMPER-RTC bidirectional TC I/O powered via the backup power switch (3 mA sink limit, 30 pF max load, not usable as a current source); function TAMPER-RTC.
8 PC14/OSC32_IN bidirectional TC I/O powered via the backup power switch (3 mA limit); 32 kHz crystal oscillator input OSC32_IN.
9 PC15/OSC32_OUT bidirectional TC I/O powered via the backup power switch (3 mA limit); 32 kHz crystal oscillator output OSC32_OUT.
10 VSS_5 power_in Ground pin 5.
11 VDD_5 power_in Digital supply pin 5, 2.6 to 3.6 V.
12 OSC_IN input Input of the 4 to 25 MHz HSE crystal oscillator or external clock input.
13 OSC_OUT output Output of the 4 to 25 MHz HSE crystal oscillator.
14 NRST bidirectional Device reset input/output, active low, with internal pull-up.
15 PC0 bidirectional 5V-tolerant analog-capable (FTa) I/O; ADC123_IN10, SDIO2_D0.
16 PC1 bidirectional FTa I/O; ADC123_IN11, SDIO2_D1.
17 PC2 bidirectional FTa I/O; ADC123_IN12, SDIO2_D2; remap UART8_TX, XMC_NWE.
18 PC3 bidirectional FTa I/O; ADC123_IN13, SDIO2_D3, XMC_A0; remap UART8_RX.
19 VSSA power_in Analog ground; must be connected to VSS.
20 VREF- power_in Negative ADC/DAC reference voltage input (present on 100-pin package only).
21 VREF+ power_in Positive ADC/DAC reference voltage, 2.6 V to VDDA (present on 100-pin package only).
22 VDDA power_in Analog supply for ADC and DAC, 2.6 to 3.6 V; must be connected to VDD.
23 PA0/WKUP bidirectional TC I/O; ADC123_IN0, WKUP, USART2_CTS, TMR2_CH1/ETR, TMR5_CH1, TMR8_ETR; remap UART4_TX.
24 PA1 bidirectional FTa I/O; ADC123_IN1, USART2_RTS, TMR2_CH2, TMR5_CH2; remap UART4_RX.
25 PA2 bidirectional FTa I/O; ADC123_IN2, USART2_TX, TMR2_CH3, TMR5_CH3, TMR9_CH1; remap SDIO2_CK, XMC_D4.
26 PA3 bidirectional FTa I/O; ADC123_IN3, USART2_RX, TMR2_CH4, TMR5_CH4, TMR9_CH2; remap I2S2_MCK, SDIO2_CMD, XMC_D5.
27 VSS_4 power_in Ground pin 4.
28 VDD_4 power_in Digital supply pin 4, 2.6 to 3.6 V.
29 PA4 bidirectional FTa I/O; DAC_OUT1, ADC12_IN4, USART2_CK, SPI1_NSS/I2S1_WS, SDIO2_D4; remap USART6_TX, SPI3_NSS, XMC_D6.
30 PA5 bidirectional FTa I/O; DAC_OUT2, ADC12_IN5, SPI1_SCK/I2S1_CK, SDIO2_D5; remap USART6_RX, SDIO2_D1, XMC_D7.
31 PA6 bidirectional FTa I/O; ADC12_IN6, SPI1_MISO, SDIO2_D6, TMR3_CH1, TMR8_BKIN, TMR13_CH1; remap I2S2_MCK, TMR1_BKIN.
32 PA7 bidirectional FTa I/O; ADC12_IN7, SPI1_MOSI/I2S1_SD, SDIO2_D7, TMR3_CH2, TMR8_CH1N, TMR14_CH1; remap TMR1_CH1N.
33 PC4 bidirectional FTa I/O; ADC12_IN14, SDIO2_CK, XMC_NE4.
34 PC5 bidirectional FTa I/O; ADC12_IN15, SDIO2_CMD; remap XMC_NOE.
35 PB0 bidirectional FTa I/O; ADC12_IN8, I2S1_MCK, TMR3_CH3, TMR8_CH2N; remap TMR1_CH2N.
36 PB1 bidirectional FTa I/O; ADC12_IN9, SPIM_SCK, TMR3_CH4, TMR8_CH3N; remap TMR1_CH3N.
37 PB2/BOOT1 bidirectional 5V-tolerant (FT) I/O that also serves as BOOT1 boot-mode select.
38 PE7 bidirectional FT I/O; UART7_RX, XMC_D4; remap TMR1_ETR.
39 PE8 bidirectional FT I/O; UART7_TX, XMC_D5; remap TMR1_CH1N.
40 PE9 bidirectional FT I/O; XMC_D6; remap TMR1_CH1.
41 PE10 bidirectional FT I/O; XMC_D7; remap TMR1_CH2N.
42 PE11 bidirectional FT I/O; XMC_D8; remap SPI4_SCK/I2S4_CK, TMR1_CH2.
43 PE12 bidirectional FT I/O; XMC_D9; remap SPI4_NSS/I2S4_WS, TMR1_CH3N.
44 PE13 bidirectional FT I/O; XMC_D10; remap SPI4_MISO, TMR1_CH3.
45 PE14 bidirectional FT I/O; XMC_D11; remap SPI4_MOSI/I2S4_SD, TMR1_CH4.
46 PE15 bidirectional FT I/O; XMC_D12; remap TMR1_BKIN.
47 PB10 bidirectional FT I/O; USART3_TX, I2C2_SCL; remap I2S3_MCK, SPIM_IO0, TMR2_CH3.
48 PB11 bidirectional FT I/O; USART3_RX, I2C2_SDA; remap SPIM_IO1, TMR2_CH4.
49 VSS_1 power_in Ground pin 1.
50 VDD_1 power_in Digital supply pin 1, 2.6 to 3.6 V.
51 PB12 bidirectional FT I/O; USART3_CK, CAN2_RX, I2C2_SMBA, SPI2_NSS/I2S2_WS, TMR1_BKIN; remap XMC_D13.
52 PB13 bidirectional FT I/O; USART3_CTS, CAN2_TX, SPI2_SCK/I2S2_CK, TMR1_CH1N.
53 PB14 bidirectional FT I/O; USART3_RTS, SPI2_MISO, I2S2ext_SD, TMR1_CH2N, TMR12_CH1; remap XMC_D0.
54 PB15 bidirectional FT I/O; SPI2_MOSI/I2S2_SD, TMR1_CH3N, TMR12_CH2.
55 PD8 bidirectional FT I/O; XMC_D13; remap USART3_TX.
56 PD9 bidirectional FT I/O; XMC_D14; remap USART3_RX.
57 PD10 bidirectional FT I/O; XMC_D15; remap USART3_CK.
58 PD11 bidirectional FT I/O; XMC_A16; remap USART3_CTS.
59 PD12 bidirectional FT I/O; XMC_A17; remap USART3_RTS, TMR4_CH1.
60 PD13 bidirectional FT I/O; XMC_A18; remap TMR4_CH2.
61 PD14 bidirectional FT I/O; XMC_D0; remap TMR4_CH3.
62 PD15 bidirectional FT I/O; XMC_D1; remap TMR4_CH4.
63 PC6 bidirectional FT I/O; USART6_TX, I2S2_MCK, SDIO1_D6, TMR8_CH1; remap XMC_D1, TMR3_CH1.
64 PC7 bidirectional FT I/O; USART6_RX, I2S3_MCK, SDIO1_D7, TMR8_CH2; remap TMR3_CH2.
65 PC8 bidirectional FT I/O; USART6_CK, I2S4_MCK, SDIO1_D0, TMR8_CH3; remap TMR3_CH3.
66 PC9 bidirectional FT I/O; I2C3_SDA, SDIO1_D1, TMR8_CH4; remap TMR3_CH4.
67 PA8 bidirectional FT I/O; CLKOUT, USART1_CK, I2C3_SCL, USB_SOF, SPIM_NSS, TMR1_CH1.
68 PA9 bidirectional FT I/O; USART1_TX, I2C3_SMBA, TMR1_CH2.
69 PA10 bidirectional FT I/O; USART1_RX, TMR1_CH3; remap I2S4_MCK.
70 PA11 bidirectional TC I/O; USB_DM, USART1_CTS, CAN1_RX, SPIM_IO0, TMR1_CH4.
71 PA12 bidirectional TC I/O; USB_DP, USART1_RTS, CAN1_TX, SPIM_IO1, TMR1_ETR.
72 PA13/JTMS-SWDIO bidirectional FT I/O; default function JTMS/SWDIO debug pin; PA13 after remap.
73 NC unconnected Not connected on the LQFP100 package.
74 VSS_2 power_in Ground pin 2.
75 VDD_2 power_in Digital supply pin 2, 2.6 to 3.6 V.
76 PA14/JTCK-SWCLK bidirectional FT I/O; default function JTCK/SWCLK debug pin; PA14 after remap.
77 PA15/JTDI bidirectional FT I/O; default JTDI, SPI3_NSS/I2S3_WS; remap PA15, SPI1_NSS/I2S1_WS, TMR2_CH1/ETR.
78 PC10 bidirectional FT I/O; UART4_TX, SDIO1_D2; remap USART3_TX, SPI3_SCK/I2S3_CK.
79 PC11 bidirectional FT I/O; UART4_RX, SDIO1_D3; remap USART3_RX, SPI3_MISO, I2S3ext_SD, XMC_D2.
80 PC12 bidirectional FT I/O; UART5_TX, SDIO1_CK; remap USART3_CK, SPI3_MOSI/I2S3_SD, XMC_D3.
81 PD0 bidirectional FT I/O; XMC_D2; remap CAN1_RX.
82 PD1 bidirectional FT I/O; XMC_D3; remap CAN1_TX.
83 PD2 bidirectional FT I/O; UART5_RX, SDIO1_CMD, TMR3_ETR; remap XMC_NWE.
84 PD3 bidirectional FT I/O; XMC_CLK; remap USART2_CTS.
85 PD4 bidirectional FT I/O; XMC_NOE; remap USART2_RTS.
86 PD5 bidirectional FT I/O; XMC_NWE; remap USART2_TX (also bootloader USART2_TX on this part).
87 PD6 bidirectional FT I/O; XMC_NWAIT; remap USART2_RX (also bootloader USART2_RX on this part).
88 PD7 bidirectional FT I/O; XMC_NE1/XMC_NCE2; remap USART2_CK.
89 PB3/JTDO bidirectional FT I/O; default JTDO, SPI3_SCK/I2S3_CK; remap PB3, UART7_RX, SPI1_SCK/I2S1_CK, TRACESWO, TMR2_CH2.
90 PB4/NJTRST bidirectional FT I/O; default NJTRST, SPI3_MISO, I2S3ext_SD; remap PB4, SPI1_MISO, I2C3_SDA, UART7_TX, TMR3_CH1.
91 PB5 bidirectional FT I/O; SPI3_MOSI/I2S3_SD, I2C1_SMBA; remap SPI1_MOSI/I2S1_SD, CAN2_RX, TMR3_CH2.
92 PB6 bidirectional FT I/O; I2C1_SCL, SPIM_IO3, TMR4_CH1; remap USART1_TX, I2S1_MCK, SPI4_NSS/I2S4_WS, CAN2_TX.
93 PB7 bidirectional FT I/O; I2C1_SDA, XMC_NADV, SPIM_IO2 (SPIM unusable when XMC is used), TMR4_CH2; remap USART1_RX, SPI4_SCK/I2S4_CK.
94 BOOT0 input Boot mode selection input (internal weak pull-down that cannot be disabled).
95 PB8 bidirectional FT I/O; SDIO1_D4, TMR4_CH3, TMR10_CH1; remap UART5_RX, SPI4_MISO, I2C1_SCL, CAN1_RX.
96 PB9 bidirectional FT I/O; SDIO1_D5, TMR4_CH4, TMR11_CH1; remap UART5_TX, SPI4_MOSI/I2S4_SD, I2C1_SDA, CAN1_TX.
97 PE0 bidirectional FT I/O; UART8_RX, XMC_NBL0, TMR4_ETR.
98 PE1 bidirectional FT I/O; UART8_TX, XMC_NBL1.
99 VSS_3 power_in Ground pin 3.
100 VDD_3 power_in Digital supply pin 3, 2.6 to 3.6 V; the 4.7 µF capacitor must connect here.

Key specifications

Parameter Value
Manufacturer ARTERY
Package LQFP-100(14x14)
Category Embedded Processors & Controllers
Pins 100

CAD (KiCad official)

  • Symbol: AT32F403AVGT7
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: at32f403avgt7-etched.step / at32f403avgt7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); at32f403avgt7.step / at32f403avgt7.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: ARTERY datasheet (96 pp, sha256 602689c1ae94c051, retrieved 2026-10-09, 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