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Contents

README

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AT32F403ARGT7

ARTERY · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)

AT32F403ARGT7 from ARTERY, in a LQFP-64(10x10). 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 32 kHz oscillator and the backup registers when VDD is off.
2 PC13/TAMPER-RTC bidirectional General-purpose I/O (standard level, not 5 V tolerant) also used as TAMPER-RTC; it is supplied through a power switch limited to 3 mA, so as an output it is limited to moderate drive, 30 pF maximum load and no LED current sourcing.
3 PC14/OSC32_IN bidirectional General-purpose I/O (standard level) that is OSC32_IN, the LSE 32.768 kHz crystal input, by default; same 3 mA power-switch and output limits as PC13.
4 PC15/OSC32_OUT bidirectional General-purpose I/O (standard level) that is OSC32_OUT, the LSE 32.768 kHz crystal output, by default; same 3 mA power-switch and output limits as PC13.
5 PD0/OSC_IN bidirectional Standard-level I/O that is OSC_IN, the HSE 4 to 25 MHz oscillator input, after reset; it can be remapped to PD0 by software.
6 PD1/OSC_OUT bidirectional Standard-level I/O that is OSC_OUT, the HSE oscillator output, after reset; it can be remapped to PD1 by software.
7 NRST input Active-low reset input with internal pull-up (RPU 30 to 50 kΩ); VIL max 0.8 V and VIH min 2 V, and the datasheet recommends a 0.1 µF filter capacitor.
8 PC0 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC123_IN10 and SDIO2_D0; in analog mode the input must stay below VDD + 0.3 V.
9 PC1 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC123_IN11 and SDIO2_D1; in analog mode the input must stay below VDD + 0.3 V.
10 PC2 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC123_IN12, SDIO2_D2, UART8_TX and XMC_NWE; in analog mode the input must stay below VDD + 0.3 V.
11 PC3 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC123_IN13, SDIO2_D3, XMC_A0 and UART8_RX; in analog mode the input must stay below VDD + 0.3 V.
12 VSSA power_in Analog ground for ADC and DAC; must be connected to VSS.
13 VDDA power_in Analog supply for ADC and DAC, 2.6 to 3.6 V; must be connected to VDD (up to 300 mV difference is allowed during power-up and operation).
14 PA0-WKUP bidirectional Standard-level I/O (TC, not 5 V tolerant) with ADC123_IN0, WKUP wake-up input, USART2_CTS and TMR2/TMR5/TMR8 functions.
15 PA1 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC123_IN1, USART2_RTS, TMR2_CH2 and TMR5_CH2.
16 PA2 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC123_IN2, USART2_TX, TMR2_CH3, TMR5_CH3, TMR9_CH1, SDIO2_CK and XMC_D4.
17 PA3 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC123_IN3, USART2_RX, TMR2_CH4, TMR5_CH4, TMR9_CH2, I2S2_MCK, SDIO2_CMD and XMC_D5.
18 VSS_4 power_in Ground for the digital I/O and core.
19 VDD_4 power_in Digital supply for I/O pins and the internal regulator, 2.6 to 3.6 V.
20 PA4 bidirectional 5 V tolerant I/O with analog function (FTa), usable as DAC_OUT1, ADC12_IN4, USART2_CK, SPI1_NSS, I2S1_WS, USART6_TX, SPI3_NSS, I2S3_WS, SDIO2_D0 and XMC_D6.
21 PA5 bidirectional 5 V tolerant I/O with analog function (FTa), usable as DAC_OUT2, ADC12_IN5, SPI1_SCK, I2S1_CK, SDIO2_D5, USART6_RX, SDIO2_D1 and XMC_D7.
22 PA6 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC12_IN6, SPI1_MISO, SDIO2_D6, TMR3_CH1, TMR8_BKIN, TMR13_CH1, I2S2_MCK, SDIO2_D2 and TMR1_BKIN.
23 PA7 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC12_IN7, SPI1_MOSI, I2S1_SD, SDIO2_D7, TMR3_CH2, TMR8_CH1N, TMR14_CH1, SDIO2_D3 and TMR1_CH1N.
24 PC4 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC12_IN14, SDIO2_CK and XMC_NE4.
25 PC5 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC12_IN15, SDIO2_CMD and XMC_NOE.
26 PB0 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC12_IN8, I2S1_MCK, TMR3_CH3, TMR8_CH2N and TMR1_CH2N.
27 PB1 bidirectional 5 V tolerant I/O with analog function (FTa), usable as ADC12_IN9, SPIM_SCK, TMR3_CH4, TMR8_CH3N and TMR1_CH3N.
28 PB2/BOOT1 bidirectional 5 V tolerant general-purpose I/O (FT) that also serves as the BOOT1 boot-mode configuration input.
29 PB10 bidirectional 5 V tolerant general-purpose I/O (FT) with USART3_TX, I2C2_SCL, I2S3_MCK, SPIM_IO0 and TMR2_CH3.
30 PB11 bidirectional 5 V tolerant general-purpose I/O (FT) with USART3_RX, I2C2_SDA, SPIM_IO1 and TMR2_CH4.
31 VSS_1 power_in Ground for the digital I/O and core.
32 VDD_1 power_in Digital supply for I/O pins and the internal regulator, 2.6 to 3.6 V.
33 PB12 bidirectional 5 V tolerant general-purpose I/O (FT) with USART3_CK, CAN2_RX, I2C2_SMBA, SPI2_NSS, I2S2_WS, TMR1_BKIN and XMC_D13.
34 PB13 bidirectional 5 V tolerant general-purpose I/O (FT) with USART3_CTS, CAN2_TX, SPI2_SCK, I2S2_CK and TMR1_CH1N.
35 PB14 bidirectional 5 V tolerant general-purpose I/O (FT) with USART3_RTS, SPI2_MISO, I2S2ext_SD, TMR1_CH2N, TMR12_CH1 and XMC_D0.
36 PB15 bidirectional 5 V tolerant general-purpose I/O (FT) with SPI2_MOSI, I2S2_SD, TMR1_CH3N and TMR12_CH2.
37 PC6 bidirectional 5 V tolerant general-purpose I/O (FT) with USART6_TX, I2S2_MCK, SDIO1_D6, TMR8_CH1, XMC_D1 and TMR3_CH1.
38 PC7 bidirectional 5 V tolerant general-purpose I/O (FT) with USART6_RX, I2S3_MCK, SDIO1_D7, TMR8_CH2 and TMR3_CH2.
39 PC8 bidirectional 5 V tolerant general-purpose I/O (FT) with USART6_CK, I2S4_MCK, SDIO1_D0, TMR8_CH3 and TMR3_CH3.
40 PC9 bidirectional 5 V tolerant general-purpose I/O (FT) with I2C3_SDA, SDIO1_D1, TMR8_CH4 and TMR3_CH4.
41 PA8 bidirectional 5 V tolerant general-purpose I/O (FT) with CLKOUT, USART1_CK, I2C3_SCL, USB_SOF, SPIM_NSS and TMR1_CH1.
42 PA9 bidirectional 5 V tolerant general-purpose I/O (FT) with USART1_TX, I2C3_SMBA and TMR1_CH2; PA9 is the default USART1_TX of the bootloader.
43 PA10 bidirectional 5 V tolerant general-purpose I/O (FT) with USART1_RX, TMR1_CH3 and I2S4_MCK; PA10 is the default USART1_RX of the bootloader.
44 PA11 bidirectional Standard-level I/O (TC, not 5 V tolerant) that is USB_DM by default, also USART1_CTS, CAN1_RX, SPIM_IO0 and TMR1_CH4.
45 PA12 bidirectional Standard-level I/O (TC, not 5 V tolerant) that is USB_DP by default, also USART1_RTS, CAN1_TX, SPIM_IO1 and TMR1_ETR.
46 PA13 bidirectional 5 V tolerant I/O (FT) that is the JTMS/SWDIO debug pin by default.
47 VSS_2 power_in Ground for the digital I/O and core.
48 VDD_2 power_in Digital supply for I/O pins and the internal regulator, 2.6 to 3.6 V.
49 PA14 bidirectional 5 V tolerant I/O (FT) that is the JTCK/SWCLK debug pin by default.
50 PA15 bidirectional 5 V tolerant I/O (FT) that is the JTDI debug pin by default, also SPI3_NSS, I2S3_WS, SPI1_NSS, I2S1_WS, TMR2_CH1 and TMR2_ETR after remap.
51 PC10 bidirectional 5 V tolerant general-purpose I/O (FT) with UART4_TX, SDIO1_D2, USART3_TX, SPI3_SCK and I2S3_CK.
52 PC11 bidirectional 5 V tolerant general-purpose I/O (FT) with UART4_RX, SDIO1_D3, USART3_RX, SPI3_MISO, I2S3ext_SD and XMC_D2.
53 PC12 bidirectional 5 V tolerant general-purpose I/O (FT) with UART5_TX, SDIO1_CK, USART3_CK, SPI3_MOSI, I2S3_SD and XMC_D3.
54 PD2 bidirectional 5 V tolerant general-purpose I/O (FT) with UART5_RX, SDIO1_CMD, TMR3_ETR and XMC_NWE.
55 PB3 bidirectional 5 V tolerant I/O (FT) that is the JTDO/TRACESWO debug pin by default, also SPI3_SCK, I2S3_CK, UART7_RX, SPI1_SCK and TMR2_CH2.
56 PB4 bidirectional 5 V tolerant I/O (FT) that is the NJTRST debug pin by default, also SPI3_MISO, I2S3ext_SD, SPI1_MISO, I2C3_SDA, UART7_TX and TMR3_CH1.
57 PB5 bidirectional 5 V tolerant general-purpose I/O (FT) with SPI3_MOSI, I2S3_SD, I2C1_SMBA, SPI1_MOSI, I2S1_SD, CAN2_RX and TMR3_CH2.
58 PB6 bidirectional 5 V tolerant general-purpose I/O (FT) with I2C1_SCL, SPIM_IO3, TMR4_CH1, USART1_TX, I2S1_MCK, SPI4_NSS, I2S4_WS and CAN2_TX.
59 PB7 bidirectional 5 V tolerant general-purpose I/O (FT) with I2C1_SDA, XMC_NADV, SPIM_IO2, TMR4_CH2, USART1_RX, SPI4_SCK and I2S4_CK.
60 BOOT0 input Boot-mode selection input that sets the start-up memory; it has an internal weak pull-down that cannot be disabled.
61 PB8 bidirectional 5 V tolerant general-purpose I/O (FT) with SDIO1_D4, TMR4_CH3, TMR10_CH1, UART5_RX, SPI4_MISO, I2C1_SCL and CAN1_RX.
62 PB9 bidirectional 5 V tolerant general-purpose I/O (FT) with SDIO1_D5, TMR4_CH4, TMR11_CH1, UART5_TX, SPI4_MOSI, I2S4_SD, I2C1_SDA and CAN1_TX.
63 VSS_3 power_in Ground for the digital I/O and core.
64 VDD_3 power_in Digital supply for I/O pins and the internal regulator, 2.6 to 3.6 V.

Key specifications

Parameter Value
Manufacturer ARTERY
Package LQFP-64(10x10)
Category Embedded Processors & Controllers
Pins 64

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
SD/MMC clock low time tW(CKL) 32 ns CL ≤ 30 pF 77
SD/MMC clock high time tW(CKH) 30 ns CL ≤ 30 pF 77
SD/MMC clock rise time tr 4 ns CL ≤ 30 pF 77
SD/MMC clock fall time tf 5 ns CL ≤ 30 pF 77
CMD, D input setup time (referenced to CK) tISU 2 ns CL ≤ 30 pF 77
CMD, D input hold time (referenced to CK) tIH 0 ns CL ≤ 30 pF 77
CMD, D output valid time, MMC and SD high-speed mode (referenced to CK) tOV 6 ns MMC和SD高速模式; CL ≤ 30 pF 77
CMD, D output hold time, MMC and SD high-speed mode (referenced to CK) tOH 0 ns MMC和SD高速模式; CL ≤ 30 pF 77
CMD, D output valid default time, SD default mode (referenced to CK) tOVD 7 ns SD默认模式; CL ≤ 30 pF 77
CMD, D output hold default time, SD default mode (referenced to CK) tOHD 0.5 ns SD默认模式; CL ≤ 30 pF 77
USB transceiver startup time tSTARTUP 1 μs 78
USB operating voltage VDD 3 3.6 V 78
Differential input sensitivity VDI 0.2 V I (USB_DP,USB_DM) 78
Differential common-mode range VCM 0.8 2.5 V 包含VDI范围 78
Single-ended receiver threshold VSE 1.3 2 V 78
Static output low level VOL 0.3 V 1.24 kΩ的RL接至3.6 V(4) 78
Static output high level VOH 2.8 3.6 V 15 kΩ的RL接至VSS(4) 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
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 445 μA 79
Current into VREF input pin IVREF 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 (in 1/fADC) fTRIG 17 1/fADC 79
ADC conversion voltage range VAIN 0 V 79
Injected trigger conversion latency tlat 107 ns fADC = 28 MHz 79
Injected trigger conversion latency (in 1/fADC) tlat 3 1/fADC 79
Regular trigger conversion latency tlatr 71.4 μs fADC = 28 MHz 79
Regular trigger conversion latency (in 1/fADC) tlatr 2 1/fADC 79
ADC sampling time tS 0.053 8.55 μs fADC = 28 MHz 79
ADC sampling time (in 1/fADC) tS 1.5 239.5 1/fADC 79
ADC total conversion time incl. sampling tCONV 0.5 9 μs fADC = 28 MHz 79
ADC total conversion time incl. sampling (in 1/fADC) tCONV 14 252 1/fADC 79

CAD (KiCad official)

  • Symbol: AT32F403ARGT7
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: at32f403argt7-etched.step / at32f403argt7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); at32f403argt7.step / at32f403argt7.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 2026-10-18, 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