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Contents

README

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AT32F415RCT7

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

AT32F415RCT7 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 Battery backup domain supply, 1.8 V to 3.6 V, which powers the LEXT, ERTC and battery-powered registers (BPR) when VDD is absent.
2 PC13 bidirectional GPIO with TAMPER-RTC alternate function; it is supplied through a power switch limited to 3 mA, so it must not be used as a current source such as an LED driver.
3 PC14 bidirectional GPIO with LEXT_IN alternate function (32.768 kHz oscillator input); supplied through a power switch limited to 3 mA, so it must not source current as an output.
4 PC15 bidirectional GPIO with LEXT_OUT alternate function (32.768 kHz oscillator output); supplied through a power switch limited to 3 mA, so it must not source current as an output.
5 PD0 bidirectional Defaults to HEXT_IN (4 to 25 MHz crystal oscillator input) after reset; software can reconfigure it as GPIO PD0; not 5 V tolerant.
6 PD1 bidirectional Defaults to HEXT_OUT (4 to 25 MHz crystal oscillator output) after reset; software can reconfigure it as GPIO PD1; not 5 V tolerant.
7 NRST bidirectional Active-low reset pin with an internal pull-up (RPU 30 to 50 kΩ); input low must be below VIL max 0.8 V for the MCU to reset.
8 PC0 bidirectional GPIO with ADC1_IN10 analog input and SDIO1_D0 remapped alternate function; not 5 V tolerant.
9 PC1 bidirectional GPIO with ADC1_IN11 analog input and SDIO1_D1 remapped alternate function; not 5 V tolerant.
10 PC2 bidirectional GPIO with ADC1_IN12 analog input and SDIO1_D2 remapped alternate function; not 5 V tolerant.
11 PC3 bidirectional GPIO with ADC1_IN13 analog input and SDIO1_D3 remapped alternate function; not 5 V tolerant.
12 VSSA/VREF- power_in Analog ground for ADC and CMP, which must be at the same potential as VSS, and the ADC negative reference.
13 VDDA/VREF+ power_in Analog supply for ADC and CMP, 2.6 V to 3.6 V, which must be at the same potential as VDD, and the ADC positive reference.
14 PA0-WKUP bidirectional GPIO with ADC1_IN0, WKUP wake-up input, CMP1_OUT, USART2_CTS, TMR2_CH1/TMR2_EXT and TMR5_CH1 alternate functions; remappable TMR1_EXT.
15 PA1 bidirectional GPIO with ADC1_IN1, CMP1_INP1, USART2_RTS, TMR2_CH2 and TMR5_CH2 alternate functions; not 5 V tolerant.
16 PA2 bidirectional GPIO with ADC1_IN2, CMP2_OUT, CMP2_INP2, CMP2_INM6, USART2_TX, TMR2_CH3, TMR5_CH3 and TMR9_CH1 alternate functions; remappable SDIO1_CK; not 5 V tolerant.
17 PA3 bidirectional GPIO with ADC1_IN3, CMP2_INP1, USART2_RX, TMR2_CH4, TMR5_CH4 and TMR9_CH2 alternate functions; remappable SDIO1_CMD; not 5 V tolerant.
18 PF4 bidirectional 5 V tolerant GPIO with UART4_TX and TMR5_CH1 alternate functions.
19 PF5 bidirectional 5 V tolerant GPIO with UART4_RX and TMR5_CH2 alternate functions.
20 PA4 bidirectional GPIO with ADC1_IN4, CMP1_INM4, CMP2_INM4, USART2_CK, SPI1_CS and I2S1_WS alternate functions; remappable SDIO1_D4 and SDIO1_D0; not 5 V tolerant.
21 PA5 bidirectional GPIO with ADC1_IN5, CMP1_INP0, CMP1_INM5, CMP2_INM5, SPI1_SCK and I2S1_CK alternate functions; remappable USART3_CK, SDIO1_D5 and SDIO1_D1; not 5 V tolerant.
22 PA6 bidirectional GPIO with ADC1_IN6, SPI1_MISO and TMR3_CH1 alternate functions; remappable CMP1_OUT, USART3_RX, SDIO1_D6, SDIO1_D2, TMR1_BRK and TMR10_CH1; not 5 V tolerant.
23 PA7 bidirectional GPIO with ADC1_IN7, CMP2_INP0, SPI1_MOSI, I2S1_SD and TMR3_CH2 alternate functions; remappable CMP2_OUT, USART3_TX, SDIO1_D7, SDIO1_D3, TMR1_CH1C and TMR11_CH1; not 5 V tolerant.
24 PC4 bidirectional GPIO with ADC1_IN14 analog input and SDIO1_CK alternate function; not 5 V tolerant.
25 PC5 bidirectional GPIO with ADC1_IN15 analog input and SDIO1_CMD alternate function; not 5 V tolerant.
26 PB0 bidirectional GPIO with ADC1_IN8, I2S1_MCK and TMR3_CH3 alternate functions; remappable USART3_RTS and TMR1_CH2C; not 5 V tolerant.
27 PB1 bidirectional GPIO with ADC1_IN9 and TMR3_CH4 alternate functions; remappable USART3_CTS and TMR1_CH3C; not 5 V tolerant.
28 PB2/BOOT1 bidirectional 5 V tolerant GPIO that also serves as BOOT1 boot-mode select; if unused, datasheet recommends pulling it down.
29 PB10 bidirectional 5 V tolerant GPIO with I2C2_SCL and USART3_TX alternate functions; remappable TMR2_CH3.
30 PB11 bidirectional 5 V tolerant GPIO with I2C2_SDA and USART3_RX alternate functions; remappable TMR2_CH4.
31 VSS power_in Digital ground, which must be at the same potential as the supply ground.
32 VDD power_in Digital supply, 2.6 V to 3.6 V, powering the GPIO pins and the internal LDO.
33 PB12 bidirectional 5 V tolerant GPIO with USART3_CK, I2C2_SMBA, SPI2_CS, I2S2_WS and TMR1_BRK alternate functions.
34 PB13 bidirectional 5 V tolerant GPIO with TMR1_CH1C, USART3_CTS, SPI2_SCK and I2S2_CK alternate functions.
35 PB14 bidirectional 5 V tolerant GPIO with TMR1_CH2C, USART3_RTS and SPI2_MISO alternate functions; remappable TMR9_CH1.
36 PB15 bidirectional 5 V tolerant GPIO with TMR1_CH3C, ERTC_REFIN, SPI2_MOSI and I2S2_SD alternate functions; remappable TMR9_CH2.
37 PC6 bidirectional 5 V tolerant GPIO with I2S2_MCK and SDIO1_D6 alternate functions; remappable TMR1_CH1 and TMR3_CH1.
38 PC7 bidirectional 5 V tolerant GPIO with SDIO1_D7 alternate function; remappable I2S2_MCK, TMR1_CH2 and TMR3_CH2.
39 PC8 bidirectional 5 V tolerant GPIO with SDIO1_D0 alternate function; remappable TMR1_CH3 and TMR3_CH3.
40 PC9 bidirectional 5 V tolerant GPIO with SDIO1_D1 alternate function; remappable I2C2_SDA, TMR1_CH4 and TMR3_CH4.
41 PA8 bidirectional 5 V tolerant GPIO with OTGFS1_SOF, CLKOUT, USART1_CK and TMR1_CH1 alternate functions; remappable I2C2_SCL.
42 PA9 bidirectional 5 V tolerant GPIO with OTGFS1_VBUS, USART1_TX and TMR1_CH2 alternate functions; when OTGFS1 operates as device it must stay high and cannot be used as GPIO or other alternate function (not applicable from silicon revision C).
43 PA10 bidirectional GPIO with OTGFS1_ID, USART1_RX and TMR1_CH3 alternate functions; not 5 V tolerant.
44 PA11 bidirectional GPIO with OTGFS1_D- , USART1_CTS, CAN1_RX and TMR1_CH4 alternate functions; remappable CMP1_OUT; not 5 V tolerant.
45 PA12 bidirectional GPIO with OTGFS1_D+, USART1_RTS, CAN1_TX and TMR1_EXT alternate functions; remappable CMP2_OUT; not 5 V tolerant.
46 PA13 bidirectional 5 V tolerant GPIO that defaults to the JTMS-SWDIO debug function.
47 PF6 bidirectional 5 V tolerant GPIO with I2C1_SCL and I2C2_SCL alternate functions.
48 PF7 bidirectional 5 V tolerant GPIO with I2C1_SDA and I2C2_SDA alternate functions.
49 PA14 bidirectional 5 V tolerant GPIO that defaults to the JTCK-SWCLK debug function.
50 PA15 bidirectional 5 V tolerant GPIO that defaults to the JTDI debug function; alternates SPI1_CS, I2S1_WS, SPI2_CS, I2S2_WS, TMR2_CH1 and TMR2_EXT are selectable.
51 PC10 bidirectional 5 V tolerant GPIO with UART4_TX and SDIO1_D2 alternate functions; remappable USART3_TX.
52 PC11 bidirectional 5 V tolerant GPIO with UART4_RX and SDIO1_D3 alternate functions; remappable USART3_RX.
53 PC12 bidirectional 5 V tolerant GPIO with UART5_TX and SDIO1_CK alternate functions; remappable USART3_CK.
54 PD2 bidirectional 5 V tolerant GPIO with UART5_RX, SDIO1_CMD and TMR3_EXT alternate functions.
55 PB3 bidirectional 5 V tolerant GPIO that defaults to the JTDO debug function; alternates SWO, SPI1_SCK, I2S1_CK, SPI2_SCK, I2S2_CK and TMR2_CH2 are available.
56 PB4 bidirectional 5 V tolerant GPIO that defaults to the NJTRST debug function; alternates SPI1_MISO, SPI2_MISO, I2C2_SDA and TMR3_CH1 are available.
57 PB5 bidirectional 5 V tolerant GPIO with I2C1_SMBA alternate function; remappable SPI1_MOSI, I2S1_SD, SPI2_MOSI, I2S2_SD and TMR3_CH2.
58 PB6 bidirectional 5 V tolerant GPIO with I2C1_SCL and TMR4_CH1 alternate functions; remappable USART1_TX and I2S1_MCK.
59 PB7 bidirectional 5 V tolerant GPIO with I2C1_SDA and TMR4_CH2 alternate functions; remappable USART1_RX.
60 BOOT0 input Boot mode select input (with BOOT1) sampled at startup; its weak pull-down cannot be disabled.
61 PB8 bidirectional 5 V tolerant GPIO with SDIO1_D4, TMR4_CH3 and TMR10_CH1 alternate functions; remappable I2C1_SCL and CAN1_RX.
62 PB9 bidirectional 5 V tolerant GPIO with SDIO1_D5, TMR4_CH4 and TMR11_CH1 alternate functions; remappable I2C1_SDA and CAN1_TX.
63 VSS power_in Digital ground, which must be at the same potential as the supply ground.
64 VDD power_in Digital supply, 2.6 V to 3.6 V, powering the GPIO pins and the internal LDO.

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
Absolute max: external main supply voltage (VDD-VSS, incl. VDDA and VDD) VDD-VSS -0.3 4 V 30
Absolute max: input voltage on 5 V tolerant pins VIN 6 V 5 V tolerant pins; printed minimum is VSS-0.3 30
Absolute max: input voltage on other pins VIN 4 V other pins; printed minimum is VSS-0.3 30
Absolute max: voltage difference between supply pins /ΔVDDx/ 50 mV 30
Absolute max: voltage difference between ground pins /VSSx-VSS/ 50 mV 30
Absolute max: total current through VDD supply line (inflow) IVDD 150 mA 30
Absolute max: total current through VSS ground line (outflow) IVSS 150 mA 30
Absolute max: output sink current on any GPIO and control pin IIO 25 mA 30
Absolute max: output source current on any GPIO and control pin (printed with sign) IIO -25 mA 30
Absolute max: storage temperature range TSTG -60 150 °C 30
Absolute max: maximum junction temperature TJ 125 °C 30
OTGFS transceiver startup time tSTARTUP 1 μs design guaranteed, not production tested 56
OTGFS operating voltage VDD 3 3.6 V 56
Differential input sensitivity (OTGFS_D+/D-) VDI 0.2 V 56
Differential common-mode range VCM 0.8 2.5 V includes VDI range 56
Single-ended receiver threshold VSE 1.3 2 V 56
Static output low level VOL 0.3 V 1.24 kΩ RL to 3.6 V 56
Static output high level VOH 2.8 3.6 V 15 kΩ RL to VSS 56
OTGFS_D+ internal pull-up resistor RPU 0.97 1.24 1.58 kΩ VIN = VSS 56
OTGFS_D+/D- internal pull-down resistor RPD 15 19 25 kΩ VIN = VDD 56
OTGFS data rise time tr 4 20 ns CL ≤ 50 pF 56
OTGFS data fall time tf 4 20 ns CL ≤ 50 pF 56
OTGFS rise/fall time matching (tr/tf) trfm 90 110 % 56
OTGFS output signal crossover voltage VCRS 1.3 2 V 56
SD/MMC data transfer clock frequency fPP 0 48 MHz 55
SD/MMC clock low time tW(CKL) 32 ns fPP = 16 MHz 55
SD/MMC clock high time tW(CKH) 30 ns fPP = 16 MHz 55
SD/MMC clock rise time tr 4 ns 55
SD/MMC clock fall time tf 5 ns 55
SD/MMC CMD, D input valid time (input setup) tISU 2 ns 55
SD/MMC CMD, D input hold time tIH 0 ns 55
SD/MMC CMD, D output valid time (MMC and SD high-speed) tOV 6 ns 55
SD/MMC CMD, D output hold time (MMC and SD high-speed) tOH 0 ns 55
SD/MMC CMD, D output valid default time (SD default mode) tOVD 7 ns 55
SD/MMC CMD, D output hold default time (SD default mode) tOHD 0.5 ns 55
ADC supply voltage VDDA 2.6 3.6 V 57
Current on VDDA input pin IDDA 560 660 μA 57
ADC clock frequency fADC 0.6 28 MHz 57
ADC sampling rate fS 0.05 2 MHz design guaranteed, not production tested 57
ADC external trigger frequency fTRIG 1.65 MHz fADC = 28 MHz 57
ADC external trigger frequency fTRIG 17 1/fADC 57
ADC conversion voltage range (minimum) VAIN 0 V VREF- connected internally to ground 57
ADC internal sample and hold capacitance CADC 15 pF design guaranteed, not production tested 57
ADC injected trigger conversion latency tlat 107 ns fADC = 28 MHz 57
ADC injected trigger conversion latency tlat 3 1/fADC 57
ADC regular trigger conversion latency tlatr 71.4 ns fADC = 28 MHz 57
ADC regular trigger conversion latency tlatr 2 1/fADC 57
ADC sampling time tS 0.053 8.55 μs fADC = 28 MHz 57
ADC sampling time tS 1.5 239.5 1/fADC 57
ADC total conversion time (including sampling time) tCONV 0.5 9 μs fADC = 28 MHz 57

CAD (KiCad official)

  • Symbol: AT32F415RCT7
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: at32f415rct7-etched.step / at32f415rct7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); at32f415rct7.step / at32f415rct7.glb are the bare package body.

Provenance

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

  • Datasheet: ARTERY datasheet (75 pp, sha256 7bd001051ee57bd1, retrieved 2026-10-17, 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