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Contents

README

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STM32F413CHU6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · UFQFPN-48(7x7)

STM32F413CHU6 from STMicroelectronics, in a UFQFPN-48(7x7). 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 Power supply input for the VBAT backup domain that supplies the RTC, as listed in the table as the VBAT supply for RTC.
2 PC13-ANTI_TAMP bidirectional 5 V tolerant GPIO supplied through the power switch, which sinks at most 3 mA, so it must not be used as a current source and its output speed is limited to 2 MHz at 30 pF; additional function TAMP_1.
3 PC14-OSC32_IN bidirectional 5 V tolerant GPIO (FT except in analog or oscillator mode) supplied through the power switch with a 3 mA sink limit and a 2 MHz / 30 pF output limit in GPIO use; in oscillator mode it is the 32 kHz oscillator input OSC32_IN.
4 PC15-OSC32_OUT bidirectional 5 V tolerant GPIO (FT except in oscillator mode) supplied through the power switch with a 3 mA sink limit and a 2 MHz / 30 pF output limit in GPIO use; in oscillator mode it is the 32 kHz oscillator output OSC32_OUT.
5 PH0-OSC_IN bidirectional 5 V tolerant GPIO outside oscillator mode; in oscillator mode it is the OSC_IN input for the 4 to 26 MHz crystal oscillator.
6 PH1-OSC_OUT bidirectional 5 V tolerant GPIO outside oscillator mode; in oscillator mode it is the OSC_OUT output for the 4 to 26 MHz crystal oscillator.
7 NRST bidirectional Bidirectional reset pin with an embedded weak pull-up resistor.
8 VSSA power_in Analog ground pin for the analog peripherals.
9 VDDA power_in Analog supply pin for the analog peripherals; the supplied text gives no separate VDDA range, and the stated application supply is 1.7 to 3.6 V.
10 PA0 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM2_CH1/TIM2_ETR, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX and additional functions ADC1_IN0 and WKUP1.
11 PA1 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM2_CH2, TIM5_CH2, SPI4_MOSI/I2S4_SD, USART2_RTS, UART4_RX, QUADSPI_BK1_IO3 and additional function ADC1_IN1.
12 PA2 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM2_CH3, TIM5_CH3, TIM9_CH1, I2S2_CKIN, USART2_TX, FSMC_D4/FSMC_DA4 and additional function ADC1_IN2.
13 PA3 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM2_CH4, TIM5_CH4, TIM9_CH2, I2S2_MCK, USART2_RX, SAI1_SD_B, FSMC_D5/FSMC_DA5 and additional function ADC1_IN3.
14 PA4 bidirectional 3.3 V tolerant I/O (TTa) directly connected to DAC, floating input during and after reset, with alternate functions SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, DFSDM1_DATIN1, FSMC_D6/FSMC_DA6 and additional functions ADC1_IN4 and DAC_OUT1.
15 PA5 bidirectional 3.3 V tolerant I/O (TTa) directly connected to DAC, floating input during and after reset, with alternate functions TIM2_CH1/TIM2_ETR, TIM8_CH1N, SPI1_SCK/I2S1_CK, DFSDM1_CKIN1, FSMC_D7/FSMC_DA7 and additional functions ADC1_IN5 and DAC_OUT2.
16 PA6 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, I2S2_MCK, DFSDM2_CKIN1, TIM13_CH1, QUADSPI_BK2_IO0, SDIO_CMD and additional function ADC1_IN6.
17 PA7 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI/I2S1_SD, DFSDM2_DATIN1, TIM14_CH1, QUADSPI_BK2_IO1 and additional function ADC1_IN7.
18 PB0 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_CH2N, TIM3_CH3, TIM8_CH2N, SPI5_SCK/I2S5_CK and additional function ADC1_IN8.
19 PB1 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_CH3N, TIM3_CH4, TIM8_CH3N, SPI5_NSS/I2S5_WS, DFSDM1_DATIN0, QUADSPI_CLK and additional function ADC1_IN9.
20 PB2 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions LPTIM1_OUT, DFSDM1_CKIN0, QUADSPI_CLK and additional function BOOT1.
21 PB10 bidirectional 5 V tolerant GPIO with I2C FM+ option (FTf), floating input during and after reset, with alternate functions TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, I2S3_MCK, USART3_TX, I2CFMP1_SCL, DFSDM2_CKOUT and SDIO_D7.
22 VCAP_1 passive Internal regulator decoupling pin that requires the external capacitor CEXT; its capacitor limits are given in section 6.3.2, which is outside the supplied text.
23 VSS power_in Ground pin for the digital core and I/Os (0 V reference).
24 VDD power_in Main supply pin for the application and I/Os, with an operating range of 1.7 to 3.6 V.
25 PB12 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, SPI4_NSS/I2S4_WS, SPI3_SCK/I2S3_CK, USART3_CK, CAN2_RX, DFSDM1_DATIN1, UART5_RX and FSMC_D13/FSMC_DA13.
26 PB13 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_CH1N, I2CFMP1_SMBA, SPI2_SCK/I2S2_CK, SPI4_SCK/I2S4_CK, USART3_CTS, CAN2_TX, DFSDM1_CKIN1 and UART5_TX.
27 PB14 bidirectional 5 V tolerant GPIO with I2C FM+ option (FTf), floating input during and after reset, with alternate functions TIM1_CH2N, TIM8_CH2N, I2CFMP1_SDA, SPI2_MISO, I2S2ext_SD, USART3_RTS, DFSDM1_DATIN2, TIM12_CH1, FSMC_D0/FSMC_DA0 and SDIO_D6.
28 PB15 bidirectional 5 V tolerant GPIO with I2C FM+ option (FTf), floating input during and after reset, with alternate functions RTC_REFIN, TIM1_CH3N, TIM8_CH3N, I2CFMP1_SCL, SPI2_MOSI/I2S2_SD, DFSDM1_CKIN2, TIM12_CH2 and SDIO_CK.
29 PA8 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions MCO_1, TIM1_CH1, I2C3_SCL, DFSDM1_CKOUT, USART1_CK, UART7_RX, USB_FS_SOF, CAN3_RX and SDIO_D1.
30 PA9 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_CH2, DFSDM2_CKIN3, I2C3_SMBA, SPI2_SCK/I2S2_CK, USART1_TX, USB_FS_VBUS and SDIO_D2.
31 PA10 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_CH3, DFSDM2_DATIN3, SPI2_MOSI/I2S2_SD, SPI5_MOSI/I2S5_SD, USART1_RX and USB_FS_ID.
32 PA11 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_CH4, DFSDM2_CKIN5, SPI2_NSS/I2S2_WS, SPI4_MISO, USART1_CTS, USART6_TX, CAN1_RX, USB_FS_DM and UART4_RX.
33 PA12 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions TIM1_ETR, DFSDM2_DATIN5, SPI2_MISO, SPI5_MISO, USART1_RTS, USART6_RX, CAN1_TX, USB_FS_DP and UART4_TX.
34 PA13 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate function JTMS-SWDIO for serial wire debug.
35 VSS power_in Ground pin for the digital core and I/Os (0 V reference).
36 VDD power_in Main supply pin for the application and I/Os, with an operating range of 1.7 to 3.6 V.
37 PA14 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate function JTCK-SWCLK for serial wire debug.
38 PA15 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions JTDI, TIM2_CH1/TIM2_ETR, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART1_TX, UART7_TX, SAI1_MCLK_A and CAN3_TX.
39 PB3 bidirectional 5 V tolerant GPIO with I2C FM+ option (FTf), floating input during and after reset, with alternate functions JTDO-SWO, TIM2_CH2, I2CFMP1_SDA, SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, USART1_RX, UART7_RX, I2C2_SDA, SAI1_SD_A and CAN3_RX.
40 PB4 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions JTRST, TIM3_CH1, SPI1_MISO, SPI3_MISO, I2S3ext_SD, UART7_TX, I2C3_SDA, SAI1_SCK_A, CAN3_TX and SDIO_D0.
41 PB5 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions LPTIM1_IN1, TIM3_CH2, I2C1_SMBA, SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, CAN2_RX, SAI1_FS_A, UART5_RX and SDIO_D3.
42 PB6 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions LPTIM1_ETR, TIM4_CH1, I2C1_SCL, DFSDM2_CKIN7, USART1_TX, CAN2_TX, QUADSPI_BK1_NCS, UART5_TX and SDIO_D0.
43 PB7 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions LPTIM1_IN2, TIM4_CH2, I2C1_SDA, DFSDM2_DATIN7, USART1_RX and FSMC_NL.
44 BOOT0 input Dedicated BOOT0 pin used to select the boot mode; Table 10 also lists VPP as an additional function on this pin.
45 PB8 bidirectional 5 V tolerant GPIO, floating input during and after reset, with alternate functions LPTIM1_OUT, TIM4_CH3, TIM10_CH1, I2C1_SCL, SPI5_MOSI/I2S5_SD, DFSDM2_CKIN1, CAN1_RX, I2C3_SDA, UART5_RX and SDIO_D4.
46 PB9 bidirectional 5 V tolerant GPIO with I2C FM+ option (FTf), floating input during and after reset, with alternate functions TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, DFSDM2_DATIN1, CAN1_TX, I2C2_SDA, UART5_TX and SDIO_D5.
47 VSS power_in Ground pin for the digital core and I/Os (0 V reference).
48 VDD power_in Main supply pin for the application and I/Os, with an operating range of 1.7 to 3.6 V.
49 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package UFQFPN-48(7x7)
Category Embedded Processors & Controllers
Pins 49

CAD (KiCad official)

  • Symbol: STM32F413CHU6
  • Footprint: Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: UFQFPN-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32f413chu6-etched.step / stm32f413chu6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f413chu6.step / stm32f413chu6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (208 pp, sha256 f6011311b70d14ef, retrieved 2026-10-10, 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