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STM32F401RCT7TR
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+100@@ -0,0 +1,100 @@+# STM32F401RCT7TR++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)++STM32F401RCT7TR from STMicroelectronics, in a LQFP-64(10x10). 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 | VBAT | power_in | Backup-domain supply input for the RTC (listed as VBAT supply for RTC, 1 µA @25 °C in the features). |+| 2 | PC13 | bidirectional | 5 V tolerant I/O (FT) supplied through the power switch, which sinks only 3 mA, so output use is limited to 2 MHz max with 30 pF and it must not source current such as driving an LED; alternate function EVENTOUT, additional functions RTC_TAMP1, RTC_OUT, RTC_TS. |+| 3 | PC14-OSC32_IN (PC14) | bidirectional | 5 V tolerant I/O (FT, except in oscillator mode) supplied through the power switch with the same 3 mA and 2 MHz/30 pF output limits as PC13; additional function OSC32_IN. |+| 4 | PC15-OSC32_OUT (PC15) | bidirectional | 5 V tolerant I/O (FT, except in oscillator mode) supplied through the power switch with the same 3 mA and 2 MHz/30 pF output limits as PC13; additional function OSC32_OUT. |+| 5 | PH0-OSC_IN | bidirectional | 5 V tolerant I/O (FT, except in oscillator mode); alternate function EVENTOUT, additional function OSC_IN for the 4-26 MHz HSE oscillator input. |+| 6 | PH1-OSC_OUT (PH1) | bidirectional | 5 V tolerant I/O (FT, except in oscillator mode); alternate function EVENTOUT, additional function OSC_OUT for the 4-26 MHz HSE oscillator output. |+| 7 | NRST | bidirectional | Bidirectional reset pin with an embedded weak pull-up resistor (5 V tolerant I/O, FT). |+| 8 | PC0 | bidirectional | 5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function ADC1_IN10 analog input. |+| 9 | PC1 | bidirectional | 5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function ADC1_IN11 analog input. |+| 10 | PC2 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_MISO, I2S2ext_SD, EVENTOUT and additional function ADC1_IN12 analog input. |+| 11 | PC3 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_MOSI/I2S2_SD, EVENTOUT and additional function ADC1_IN13 analog input. |+| 12 | VSSA/VREF- | power_in | Analog ground and negative reference voltage pin for the ADC (VREF- is referenced in the ADC characteristics). |+| 13 | VDDA/VREF+ | power_in | Analog supply and positive ADC reference voltage pin; VDD/VDDA minimum was changed to 1.7 V in revision 4. |+| 14 | PA0 | bidirectional | 5 V tolerant I/O (FT) with alternate functions USART2_CTS, TIM2_CH1/TIM2_ETR, TIM5_CH1, EVENTOUT and additional functions ADC1_IN0, WKUP. |+| 15 | PA1 | bidirectional | 5 V tolerant I/O (FT) with alternate functions USART2_RTS, TIM2_CH2, TIM5_CH2, EVENTOUT and additional function ADC1_IN1. |+| 16 | PA2 | bidirectional | 5 V tolerant I/O (FT) with alternate functions USART2_TX, TIM2_CH3, TIM5_CH3, TIM9_CH1, EVENTOUT and additional function ADC1_IN2. |+| 17 | PA3 | bidirectional | 5 V tolerant I/O (FT) with alternate functions USART2_RX, TIM2_CH4, TIM5_CH4, TIM9_CH2, EVENTOUT and additional function ADC1_IN3. |+| 18 | VSS | power_in | Ground pin of the device. |+| 19 | VDD | power_in | Application supply pin; the device operates from 1.7 V to 3.6 V for the application supply and I/Os. |+| 20 | PA4 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, EVENTOUT and additional function ADC1_IN4. |+| 21 | PA5 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_SCK, TIM2_CH1/TIM2_ETR, EVENTOUT and additional function ADC1_IN5. |+| 22 | PA6 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_MISO, TIM1_BKIN, TIM3_CH1, EVENTOUT and additional function ADC1_IN6. |+| 23 | PA7 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_MOSI, TIM1_CH1N, TIM3_CH2, EVENTOUT and additional function ADC1_IN7. |+| 24 | PC4 | bidirectional | 5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function ADC1_IN14 analog input. |+| 25 | PC5 | bidirectional | 5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function ADC1_IN15 analog input. |+| 26 | PB0 | bidirectional | 5 V tolerant I/O (FT) with alternate functions TIM1_CH2N, TIM3_CH3, EVENTOUT and additional function ADC1_IN8. |+| 27 | PB1 | bidirectional | 5 V tolerant I/O (FT) with alternate functions TIM1_CH3N, TIM3_CH4, EVENTOUT and additional function ADC1_IN9. |+| 28 | PB2 | bidirectional | 5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function BOOT1. |+| 29 | PB10 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_SCK/I2S2_CK, I2C2_SCL, TIM2_CH3, EVENTOUT. |+| 30 | VCAP_1 | power_out | Internal voltage regulator decoupling pin that requires an external capacitor (see Section 6.3.2, VCAP_1/VCAP_2 external capacitors). |+| 31 | VSS | power_in | Ground pin of the device. |+| 32 | VDD | power_in | Application supply pin; the device operates from 1.7 V to 3.6 V for the application supply and I/Os. |+| 33 | PB12 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_NSS/I2S2_WS, I2C2_SMBA, TIM1_BKIN, EVENTOUT. |+| 34 | PB13 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_SCK/I2S2_CK, TIM1_CH1N, EVENTOUT. |+| 35 | PB14 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_MISO, I2S2ext_SD, TIM1_CH2N, EVENTOUT. |+| 36 | PB15 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_MOSI/I2S2_SD, TIM1_CH3N, EVENTOUT and additional function RTC_REFIN. |+| 37 | PC6 | bidirectional | 5 V tolerant I/O (FT) with alternate functions I2S2_MCK, USART6_TX, TIM3_CH1, SDIO_D6, EVENTOUT. |+| 38 | PC7 | bidirectional | 5 V tolerant I/O (FT) with alternate functions I2S3_MCK, USART6_RX, TIM3_CH2, SDIO_D7, EVENTOUT. |+| 39 | PC8 | bidirectional | 5 V tolerant I/O (FT) with alternate functions USART6_CK, TIM3_CH3, SDIO_D0, EVENTOUT. |+| 40 | PC9 | bidirectional | 5 V tolerant I/O (FT) with alternate functions I2S_CKIN, I2C3_SDA, TIM3_CH4, SDIO_D1, MCO_2, EVENTOUT. |+| 41 | PA8 | bidirectional | 5 V tolerant I/O (FT) with alternate functions I2C3_SCL, USART1_CK, TIM1_CH1, OTG_FS_SOF, MCO_1, EVENTOUT. |+| 42 | PA9 | bidirectional | 5 V tolerant I/O (FT) with alternate functions I2C3_SMBA, USART1_TX, TIM1_CH2, EVENTOUT and additional function OTG_FS_VBUS. |+| 43 | PA10 | bidirectional | 5 V tolerant I/O (FT) with alternate functions USART1_RX, TIM1_CH3, OTG_FS_ID, EVENTOUT. |+| 44 | PA11 | bidirectional | 5 V tolerant I/O (FT) with alternate functions USART1_CTS, USART6_TX, TIM1_CH4, OTG_FS_DM, EVENTOUT. |+| 45 | PA12 | bidirectional | 5 V tolerant I/O (FT) with alternate functions USART1_RTS, USART6_RX, TIM1_ETR, OTG_FS_DP, EVENTOUT. |+| 46 | PA13 (JTMS-SWDIO) | bidirectional | 5 V tolerant I/O (FT) whose function after reset is JTMS-SWDIO (SWD data), with alternate function EVENTOUT. |+| 47 | VSS | power_in | Ground pin of the device. |+| 48 | VDD | power_in | Application supply pin; the device operates from 1.7 V to 3.6 V for the application supply and I/Os. |+| 49 | PA14 (JTCK-SWCLK) | bidirectional | 5 V tolerant I/O (FT) whose function after reset is JTCK-SWCLK (SWD clock), with alternate function EVENTOUT. |+| 50 | PA15 (JTDI) | bidirectional | 5 V tolerant I/O (FT) with alternate functions JTDI, SPI1_NSS, SPI3_NSS/I2S3_WS, TIM2_CH1/TIM2_ETR, EVENTOUT. |+| 51 | PC10 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI3_SCK/I2S3_CK, SDIO_D2, EVENTOUT. |+| 52 | PC11 | bidirectional | 5 V tolerant I/O (FT) with alternate functions I2S3ext_SD, SPI3_MISO, SDIO_D3, EVENTOUT. |+| 53 | PC12 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI3_MOSI/I2S3_SD, SDIO_CK, EVENTOUT. |+| 54 | PD2 | bidirectional | 5 V tolerant I/O (FT) with alternate functions TIM3_ETR, SDIO_CMD, EVENTOUT. |+| 55 | PB3 (JTDO-SWO) | bidirectional | 5 V tolerant I/O (FT) whose function after reset is JTDO-SWO, with alternate functions SPI1_SCK, SPI3_SCK/I2S3_CK, I2C2_SDA, TIM2_CH2, EVENTOUT. |+| 56 | PB4 (NJTRST) | bidirectional | 5 V tolerant I/O (FT) whose function after reset is NJTRST, with alternate functions SPI1_MISO, SPI3_MISO, I2S3ext_SD, I2C3_SDA, TIM3_CH1, EVENTOUT. |+| 57 | PB5 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI1_MOSI, SPI3_MOSI/I2S3_SD, I2C1_SMBA, TIM3_CH2, EVENTOUT. |+| 58 | PB6 | bidirectional | 5 V tolerant I/O (FT) with alternate functions I2C1_SCL, USART1_TX, TIM4_CH1, EVENTOUT. |+| 59 | PB7 | bidirectional | 5 V tolerant I/O (FT) with alternate functions I2C1_SDA, USART1_RX, TIM4_CH2, EVENTOUT. |+| 60 | BOOT0 | input | Dedicated BOOT0 boot-mode input pin (also listed as VPP in the pin table). |+| 61 | PB8 | bidirectional | 5 V tolerant I/O (FT) with alternate functions I2C1_SCL, TIM4_CH3, TIM10_CH1, SDIO_D4, EVENTOUT. |+| 62 | PB9 | bidirectional | 5 V tolerant I/O (FT) with alternate functions SPI2_NSS/I2S2_WS, I2C1_SDA, TIM4_CH4, TIM11_CH1, SDIO_D5, EVENTOUT. |+| 63 | VSS | power_in | Ground pin of the device. |+| 64 | VDD | power_in | Application supply pin; the device operates from 1.7 V to 3.6 V for the application supply and I/Os. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-64(10x10) |+| Category | Embedded Processors & Controllers |+| Pins | 64 |++## CAD (KiCad official)++- Symbol: `STM32F401RCT7TR`+- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`+- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)+- 3D model files: `stm32f401rct7tr-etched.step` / `stm32f401rct7tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f401rct7tr.step` / `stm32f401rct7tr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941900351221760) (139 pp, sha256 `42bb8b899325fa29`, retrieved 2026-10-07, tier: lcsc)+- **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](docs/stm32f401rct7tr-datasheet.pdf)
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alternate function EVENTOUT, additional functions RTC_TAMP1, RTC_OUT, RTC_TS."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN (PC14)",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT, except in oscillator mode) supplied through the power switch with the same 3 mA and 2 MHz/30 pF output limits as PC13; additional function OSC32_IN."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT (PC15)",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT, except in oscillator mode) supplied through the power switch with the same 3 mA and 2 MHz/30 pF output limits as PC13; additional function OSC32_OUT."+ },+ {+ "number": "5",+ "name": "PH0-OSC_IN",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT, except in oscillator mode); alternate function EVENTOUT, additional function OSC_IN for the 4-26 MHz HSE oscillator input."+ },+ {+ "number": "6",+ "name": "PH1-OSC_OUT (PH1)",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT, except in oscillator mode); alternate function EVENTOUT, additional function OSC_OUT for the 4-26 MHz HSE oscillator output."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Bidirectional reset pin with an embedded weak pull-up resistor (5 V tolerant I/O, FT)."+ },+ {+ "number": "8",+ "name": "PC0",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function ADC1_IN10 analog input."+ },+ {+ "number": "9",+ "name": "PC1",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function ADC1_IN11 analog input."+ },+ {+ "number": "10",+ "name": "PC2",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_MISO, I2S2ext_SD, EVENTOUT and additional function ADC1_IN12 analog input."+ },+ {+ "number": "11",+ "name": "PC3",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_MOSI/I2S2_SD, EVENTOUT and additional function ADC1_IN13 analog input."+ },+ {+ "number": "12",+ "name": "VSSA/VREF-",+ "type": "power_in",+ "description": "Analog ground and negative reference voltage pin for the ADC (VREF- is referenced in the ADC characteristics)."+ },+ {+ "number": "13",+ "name": "VDDA/VREF+",+ "type": "power_in",+ "description": "Analog supply and positive ADC reference voltage pin; VDD/VDDA minimum was changed to 1.7 V in revision 4."+ },+ {+ "number": "14",+ "name": "PA0",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions USART2_CTS, TIM2_CH1/TIM2_ETR, TIM5_CH1, EVENTOUT and additional functions ADC1_IN0, WKUP."+ },+ {+ "number": "15",+ "name": "PA1",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions USART2_RTS, TIM2_CH2, TIM5_CH2, EVENTOUT and additional function ADC1_IN1."+ },+ {+ "number": "16",+ "name": "PA2",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions USART2_TX, TIM2_CH3, TIM5_CH3, TIM9_CH1, EVENTOUT and additional function ADC1_IN2."+ },+ {+ "number": "17",+ "name": "PA3",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions USART2_RX, TIM2_CH4, TIM5_CH4, TIM9_CH2, EVENTOUT and additional function ADC1_IN3."+ },+ {+ "number": "18",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin of the device."+ },+ {+ "number": "19",+ "name": "VDD",+ "type": "power_in",+ "description": "Application supply pin; the device operates from 1.7 V to 3.6 V for the application supply and I/Os."+ },+ {+ "number": "20",+ "name": "PA4",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, EVENTOUT and additional function ADC1_IN4."+ },+ {+ "number": "21",+ "name": "PA5",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_SCK, TIM2_CH1/TIM2_ETR, EVENTOUT and additional function ADC1_IN5."+ },+ {+ "number": "22",+ "name": "PA6",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_MISO, TIM1_BKIN, TIM3_CH1, EVENTOUT and additional function ADC1_IN6."+ },+ {+ "number": "23",+ "name": "PA7",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_MOSI, TIM1_CH1N, TIM3_CH2, EVENTOUT and additional function ADC1_IN7."+ },+ {+ "number": "24",+ "name": "PC4",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function ADC1_IN14 analog input."+ },+ {+ "number": "25",+ "name": "PC5",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function ADC1_IN15 analog input."+ },+ {+ "number": "26",+ "name": "PB0",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions TIM1_CH2N, TIM3_CH3, EVENTOUT and additional function ADC1_IN8."+ },+ {+ "number": "27",+ "name": "PB1",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions TIM1_CH3N, TIM3_CH4, EVENTOUT and additional function ADC1_IN9."+ },+ {+ "number": "28",+ "name": "PB2",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate function EVENTOUT and additional function BOOT1."+ },+ {+ "number": "29",+ "name": "PB10",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_SCK/I2S2_CK, I2C2_SCL, TIM2_CH3, EVENTOUT."+ },+ {+ "number": "30",+ "name": "VCAP_1",+ "type": "power_out",+ "description": "Internal voltage regulator decoupling pin that requires an external capacitor (see Section 6.3.2, VCAP_1/VCAP_2 external capacitors)."+ },+ {+ "number": "31",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin of the device."+ },+ {+ "number": "32",+ "name": "VDD",+ "type": "power_in",+ "description": "Application supply pin; the device operates from 1.7 V to 3.6 V for the application supply and I/Os."+ },+ {+ "number": "33",+ "name": "PB12",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_NSS/I2S2_WS, I2C2_SMBA, TIM1_BKIN, EVENTOUT."+ },+ {+ "number": "34",+ "name": "PB13",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_SCK/I2S2_CK, TIM1_CH1N, EVENTOUT."+ },+ {+ "number": "35",+ "name": "PB14",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_MISO, I2S2ext_SD, TIM1_CH2N, EVENTOUT."+ },+ {+ "number": "36",+ "name": "PB15",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_MOSI/I2S2_SD, TIM1_CH3N, EVENTOUT and additional function RTC_REFIN."+ },+ {+ "number": "37",+ "name": "PC6",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions I2S2_MCK, USART6_TX, TIM3_CH1, SDIO_D6, EVENTOUT."+ },+ {+ "number": "38",+ "name": "PC7",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions I2S3_MCK, USART6_RX, TIM3_CH2, SDIO_D7, EVENTOUT."+ },+ {+ "number": "39",+ "name": "PC8",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions USART6_CK, TIM3_CH3, SDIO_D0, EVENTOUT."+ },+ {+ "number": "40",+ "name": "PC9",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions I2S_CKIN, I2C3_SDA, TIM3_CH4, SDIO_D1, MCO_2, EVENTOUT."+ },+ {+ "number": "41",+ "name": "PA8",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions I2C3_SCL, USART1_CK, TIM1_CH1, OTG_FS_SOF, MCO_1, EVENTOUT."+ },+ {+ "number": "42",+ "name": "PA9",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions I2C3_SMBA, USART1_TX, TIM1_CH2, EVENTOUT and additional function OTG_FS_VBUS."+ },+ {+ "number": "43",+ "name": "PA10",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions USART1_RX, TIM1_CH3, OTG_FS_ID, EVENTOUT."+ },+ {+ "number": "44",+ "name": "PA11",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions USART1_CTS, USART6_TX, TIM1_CH4, OTG_FS_DM, EVENTOUT."+ },+ {+ "number": "45",+ "name": "PA12",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions USART1_RTS, USART6_RX, TIM1_ETR, OTG_FS_DP, EVENTOUT."+ },+ {+ "number": "46",+ "name": "PA13 (JTMS-SWDIO)",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) whose function after reset is JTMS-SWDIO (SWD data), with alternate function EVENTOUT."+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin of the device."+ },+ {+ "number": "48",+ "name": "VDD",+ "type": "power_in",+ "description": "Application supply pin; the device operates from 1.7 V to 3.6 V for the application supply and I/Os."+ },+ {+ "number": "49",+ "name": "PA14 (JTCK-SWCLK)",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) whose function after reset is JTCK-SWCLK (SWD clock), with alternate function EVENTOUT."+ },+ {+ "number": "50",+ "name": "PA15 (JTDI)",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions JTDI, SPI1_NSS, SPI3_NSS/I2S3_WS, TIM2_CH1/TIM2_ETR, EVENTOUT."+ },+ {+ "number": "51",+ "name": "PC10",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI3_SCK/I2S3_CK, SDIO_D2, EVENTOUT."+ },+ {+ "number": "52",+ "name": "PC11",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions I2S3ext_SD, SPI3_MISO, SDIO_D3, EVENTOUT."+ },+ {+ "number": "53",+ "name": "PC12",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI3_MOSI/I2S3_SD, SDIO_CK, EVENTOUT."+ },+ {+ "number": "54",+ "name": "PD2",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions TIM3_ETR, SDIO_CMD, EVENTOUT."+ },+ {+ "number": "55",+ "name": "PB3 (JTDO-SWO)",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) whose function after reset is JTDO-SWO, with alternate functions SPI1_SCK, SPI3_SCK/I2S3_CK, I2C2_SDA, TIM2_CH2, EVENTOUT."+ },+ {+ "number": "56",+ "name": "PB4 (NJTRST)",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) whose function after reset is NJTRST, with alternate functions SPI1_MISO, SPI3_MISO, I2S3ext_SD, I2C3_SDA, TIM3_CH1, EVENTOUT."+ },+ {+ "number": "57",+ "name": "PB5",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI1_MOSI, SPI3_MOSI/I2S3_SD, I2C1_SMBA, TIM3_CH2, EVENTOUT."+ },+ {+ "number": "58",+ "name": "PB6",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions I2C1_SCL, USART1_TX, TIM4_CH1, EVENTOUT."+ },+ {+ "number": "59",+ "name": "PB7",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions I2C1_SDA, USART1_RX, TIM4_CH2, EVENTOUT."+ },+ {+ "number": "60",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated BOOT0 boot-mode input pin (also listed as VPP in the pin table)."+ },+ {+ "number": "61",+ "name": "PB8",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions I2C1_SCL, TIM4_CH3, TIM10_CH1, SDIO_D4, EVENTOUT."+ },+ {+ "number": "62",+ "name": "PB9",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with alternate functions SPI2_NSS/I2S2_WS, I2C1_SDA, TIM4_CH4, TIM11_CH1, SDIO_D5, EVENTOUT."+ },+ {+ "number": "63",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin of the device."+ },+ {+ "number": "64",+ "name": "VDD",+ "type": "power_in",+ "description": "Application supply pin; the device operates from 1.7 V to 3.6 V for the application supply and I/Os."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Ordering decode: STM32F401RCT7TR = 'R' (64 pins), 'C' (256 KB Flash), 'T' (LQFP), '7' (-40 to 105 °C; The LQFP64 pinout figure (Figure 12) is garbled in the text extraction, so the pin-to-name mapping w; VCAP_1 is typed power_out (regulator output) as a judgment call; the datasheet only classifies it as"+ ],+ "pages_sent": 56,+ "cost_usd": 0.2768,+ "at": "2026-10-07T22:09:24"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941900351221760",+ "pages": 139,+ "sha256": "42bb8b899325fa29",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 64,+ "described": 64,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stm32f401rct7tr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 12,+ 12,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm32f401rct7tr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 12,+ 12,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "d34264dae6b0489c102f2b3667243d1686ab6d3b6fe7e14b6bb14d527790b5ee",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}