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STM32H743ZIT6

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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STM32H743ZIT6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-144(20x20)

STM32H743ZIT6 from STMicroelectronics, in a LQFP-144(20x20). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 PE2 bidirectional General-purpose I/O; 5 V-tolerant high-speed pad (FT_h). After reset floats. Alternate functions include TRACECLK, SAI1_CK1, SPI4_SCK, QUADSPI_BK1_IO2, ETH_MII_TXD3, FMC_A23.
2 PE3 bidirectional General-purpose I/O (FT_h). Alt-funcs: TRACED0, TIM15_BKIN, SAI1_SD_B, SAI4_SD_B, FMC_A19, EVENTOUT.
3 PE4 bidirectional GPIO (FT_h). Alt-funcs: TRACED1, SAI1_D2, DFSDM_DATIN3, TIM15_CH1N, SPI4_NSS, SAI1_FS_A, SAI4_D2, FMC_A20, DCMI_D4, LCD_B0.
4 PE5 bidirectional GPIO (FT_h). Alt-funcs: TRACED2, SAI1_CK2, DFSDM_CKIN3, TIM15_CH1, SPI4_MISO, SAI4_CK2, FMC_A21, DCMI_D6, LCD_G0.
5 PE6 bidirectional GPIO (FT_h). Alt-funcs: TRACED3, TIM1_BKIN2, SAI1_D1, TIM15_CH2, SPI4_MOSI, SAI4_D1, FMC_A22, DCMI_D7, LCD_G1.
6 VBAT power_in Backup battery supply (1.2-3.6 V). Powers the RTC, backup registers, LSE and backup SRAM when VDD is off.
7 PC13 bidirectional GPIO (FT). Additional function: RTC_TAMP_1 / RTC_TS / WKUP2. Limited drive strength (backup-domain pin).
8 PC14-OSC32_IN bidirectional GPIO PC14 or 32.768 kHz LSE crystal oscillator input (OSC32_IN). Backup-domain pin, limited drive.
9 PC15-OSC32_OUT bidirectional GPIO PC15 or 32.768 kHz LSE crystal oscillator output (OSC32_OUT). Backup-domain pin, limited drive.
10 PF0 bidirectional GPIO (FT_f, I2C FM+ capable). Alt-funcs: I2C2_SDA, FMC_A0, EVENTOUT.
11 PF1 bidirectional GPIO (FT_f). Alt-funcs: I2C2_SCL, FMC_A1, EVENTOUT.
12 PF2 bidirectional GPIO (FT). Alt-funcs: I2C2_SMBA, FMC_A2, EVENTOUT.
13 PF3 bidirectional GPIO (FT_ha, analog-capable). Alt-funcs: FMC_A3, EVENTOUT. Additional: ADC3_INP5.
14 PF4 bidirectional GPIO (FT_ha). Alt-funcs: FMC_A4, EVENTOUT. Additional: ADC3_INN5, ADC3_INP9.
15 PF5 bidirectional GPIO (FT_ha). Alt-funcs: FMC_A5, EVENTOUT. Additional: ADC3_INP4.
16 VSS power_in Digital ground (0 V reference for VDD).
17 VDD power_in Digital core/IO supply, 1.62-3.6 V. Decouple with 100 nF per VDD pin plus one 4.7 μF bulk.
18 PF6 bidirectional GPIO (FT_ha). Alt-funcs: TIM16_CH1, SPI5_NSS, SAI1_SD_B, UART7_RX, QUADSPI_BK1_IO3. Additional: ADC3_INN4, ADC3_INP8.
19 PF7 bidirectional GPIO (FT_ha). Alt-funcs: TIM17_CH1, SPI5_SCK, SAI1_MCLK_B, UART7_TX, QUADSPI_BK1_IO2. Additional: ADC3_INP3.
20 PF8 bidirectional GPIO (FT_ha). Alt-funcs: TIM16_CH1N, SPI5_MISO, SAI1_SCK_B, UART7_RTS, TIM13_CH1, QUADSPI_BK1_IO0. Additional: ADC3_INN3, ADC3_INP7.
21 PF9 bidirectional GPIO (FT_ha). Alt-funcs: TIM17_CH1N, SPI5_MOSI, SAI1_FS_B, UART7_CTS, TIM14_CH1, QUADSPI_BK1_IO1. Additional: ADC3_INP2.
22 PF10 bidirectional GPIO (FT_ha). Alt-funcs: TIM16_BKIN, SAI1_D3, QUADSPI_CLK, DCMI_D11, LCD_DE. Additional: ADC3_INN2, ADC3_INP6.
23 PH0-OSC_IN bidirectional GPIO PH0 or HSE crystal oscillator input (OSC_IN) up to 25 MHz. Function selected by RCC_CR.HSEON.
24 PH1-OSC_OUT bidirectional GPIO PH1 or HSE crystal oscillator output (OSC_OUT).
25 NRST bidirectional Active-low bidirectional device reset with internal weak pull-up (~40 kΩ). Drive low ≥300 ns to reset; is asserted low by internal reset sources.
26 PC0 bidirectional GPIO (FT_a, analog-capable). Alt-funcs: DFSDM_CKIN0/DATIN4, SAI2_FS_B, OTG_HS_ULPI_STP, FMC_SDNWE, LCD_R5. Additional: ADC123_INP10.
27 PC1 bidirectional GPIO (FT_ha). Alt-funcs: TRACED0, SAI1_D1/SD_A, DFSDM_DATIN0/CKIN4, SPI2_MOSI/I2S2_SDO, SDMMC2_CK, ETH_MDC, MDIOS_MDC. Additional: ADC123_INN10, ADC123_INP11, RTC_TAMP_3/WKUP5.
28 PC2_C bidirectional Analog input PC2_C, directly connected to logical pin PC2 through an internal analog switch (LQFP144 has PC2 and PC2_C double-bonded per Note 5). Additional: ADC3_INN1, ADC3_INP0. When switch is closed, PC2 alt-funcs (DFSDM_CKIN1, SPI2_MISO/I2S2_SDI, DFSDM_CKOUT, OTG_HS_ULPI_DIR, ETH_MII_TXD2, FMC_SDNE0) are available on this pad.
29 PC3_C bidirectional Analog input PC3_C, directly connected to logical pin PC3 through an internal analog switch. Additional: ADC3_INP1. When switch is closed, PC3 alt-funcs (DFSDM_DATIN1, SPI2_MOSI/I2S2_SDO, OTG_HS_ULPI_NXT, ETH_MII_TX_CLK, FMC_SDCKE0) are available on this pad.
30 VDD power_in Digital core/IO supply, 1.62-3.6 V.
31 VSSA power_in Analog ground reference for VDDA, VREF+ and ADC/DAC/OPAMP/comparator blocks. Connect to VSS with a single-point star or moat.
32 VREF+ power_in Positive reference for the ADCs and DACs; nominal 1.8-3.6 V (must be ≤ VDDA). Decouple with 100 nF + 1 μF close to pin.
33 VDDA power_in Analog supply for ADCs/DACs/OPAMPs/comparators, 1.62-3.6 V. Decouple with 100 nF + 1 μF.
34 PA0-WKUP bidirectional GPIO PA0 with wake-up capability (WKUP0). 5 V-tolerant analog-capable (FT_a). Alt-funcs: TIM2/5/8/15, USART2_CTS_NSS, UART4_TX, SDMMC2_CMD, SAI2_SD_B, ETH_MII_CRS. Additional: ADC1_INP16.
35 PA1 bidirectional GPIO (FT_ha). Alt-funcs: TIM2_CH2, TIM5_CH2, LPTIM3_OUT, TIM15_CH1N, USART2_RTS, UART4_RX, QUADSPI_BK1_IO3, SAI2_MCK_B, ETH_MII_RX_CLK/RMII_REF_CLK, LCD_R2. Additional: ADC1_INN16, ADC1_INP17.
36 PA2 bidirectional GPIO (FT_a). Alt-funcs: TIM2/5/15, USART2_TX, SAI2_SCK_B, ETH_MDIO, MDIOS_MDIO, LCD_R1, LPTIM4_OUT. Additional: ADC12_INP14, WKUP1.
37 PA3 bidirectional GPIO (FT_ha). Alt-funcs: TIM2/5/15, USART2_RX, LPTIM5_OUT, LCD_B2/B5, OTG_HS_ULPI_D0, ETH_MII_COL. Additional: ADC12_INP15.
38 VSS power_in Digital ground.
39 VDD power_in Digital core/IO supply, 1.62-3.6 V.
40 PA4 bidirectional GPIO (TT_a, 3.3 V-tolerant analog). Alt-funcs: TIM5_ETR, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, SPI6_NSS, OTG_HS_SOF, DCMI_HSYNC, LCD_VSYNC. Additional: ADC12_INP18, DAC1_OUT1.
41 PA5 bidirectional GPIO (TT_ha). Alt-funcs: TIM2_CH1/ETR, TIM8_CH1N, SPI1_SCK/I2S1_CK, SPI6_SCK, OTG_HS_ULPI_CK, LCD_R4. Additional: ADC12_INN18, ADC12_INP19, DAC1_OUT2.
42 PA6 bidirectional GPIO (FT_a). Alt-funcs: TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO/I2S1_SDI, SPI6_MISO, TIM13_CH1, MDIOS_MDC, DCMI_PIXCLK, LCD_G2. Additional: ADC12_INP3.
43 PA7 bidirectional GPIO (TT_a). Alt-funcs: TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI/I2S1_SDO, SPI6_MOSI, TIM14_CH1, ETH_MII_RX_DV/RMII_CRS_DV, FMC_SDNWE. Additional: ADC12_INN3, ADC12_INP7, OPAMP1_VINM.
44 PC4 bidirectional GPIO (TT_a). Alt-funcs: DFSDM_CKIN2, I2S1_MCK, SPDIFRX_IN2, ETH_MII_RXD0/RMII_RXD0, FMC_SDNE0. Additional: ADC12_INP4, OPAMP1_VOUT, COMP_1_INM.
45 PC5 bidirectional GPIO (TT_a). Alt-funcs: SAI1_D3, DFSDM_DATIN2, SPDIFRX_IN3, ETH_MII_RXD1/RMII_RXD1, FMC_SDCKE0, COMP_1_OUT. Additional: ADC12_INN4, ADC12_INP8, OPAMP1_VINM.
46 PB0 bidirectional GPIO (FT_a). Alt-funcs: TIM1_CH2N, TIM3_CH3, TIM8_CH2N, DFSDM_CKOUT, UART4_CTS, LCD_R3/G1, OTG_HS_ULPI_D1, ETH_MII_RXD2. Additional: ADC12_INN5, ADC12_INP9, OPAMP1_VINP, COMP_1_INP.
47 PB1 bidirectional GPIO (TT_u, USB-capable). Alt-funcs: TIM1_CH3N, TIM3_CH4, TIM8_CH3N, DFSDM_DATIN1, LCD_R6/G0, OTG_HS_ULPI_D2, ETH_MII_RXD3. Additional: ADC12_INP5, COMP_1_INM.
48 PB2 bidirectional GPIO (FT_ha). Alt-funcs: SAI1_D1/SD_A, DFSDM_CKIN1, SPI3_MOSI/I2S3_SDO, QUADSPI_CLK, SAI4_SD_A/D1, ETH_TX_ER. Additional: COMP_1_INP, RTC_OUT.
49 PF11 bidirectional GPIO (FT_a). Alt-funcs: SPI5_MOSI, SAI2_SD_B, FMC_SDNRAS, DCMI_D12. Additional: ADC1_INP2.
50 PF12 bidirectional GPIO (FT_ha). Alt-funcs: FMC_A6, EVENTOUT. Additional: ADC1_INN2, ADC1_INP6.
51 VSS power_in Digital ground.
52 VDD power_in Digital core/IO supply, 1.62-3.6 V.
53 PF13 bidirectional GPIO (FT_ha). Alt-funcs: DFSDM_DATIN6, I2C4_SMBA, FMC_A7. Additional: ADC2_INP2.
54 PF14 bidirectional GPIO (FT_fha, I2C FM+ & analog). Alt-funcs: DFSDM_CKIN6, I2C4_SCL, FMC_A8. Additional: ADC2_INN2, ADC2_INP6.
55 PF15 bidirectional GPIO (FT_fh). Alt-funcs: I2C4_SDA, FMC_A9, EVENTOUT.
56 PG0 bidirectional GPIO (FT_h). Alt-funcs: FMC_A10, EVENTOUT.
57 PG1 bidirectional GPIO (TT_h). Alt-funcs: FMC_A11. Additional: OPAMP2_VINM.
58 PE7 bidirectional GPIO (TT_ha). Alt-funcs: TIM1_ETR, DFSDM_DATIN2, UART7_RX, QUADSPI_BK2_IO0, FMC_D4/DA4. Additional: OPAMP2_VOUT, COMP_2_INM.
59 PE8 bidirectional GPIO (TT_ha). Alt-funcs: TIM1_CH1N, DFSDM_CKIN2, UART7_TX, QUADSPI_BK2_IO1, FMC_D5/DA5, COMP_2_OUT. Additional: OPAMP2_VINM.
60 PE9 bidirectional GPIO (TT_ha). Alt-funcs: TIM1_CH1, DFSDM_CKOUT, UART7_RTS, QUADSPI_BK2_IO2, FMC_D6/DA6. Additional: OPAMP2_VINP, COMP_2_INP.
61 VSS power_in Digital ground.
62 VDD power_in Digital core/IO supply, 1.62-3.6 V.
63 PE10 bidirectional GPIO (FT_ha). Alt-funcs: TIM1_CH2N, DFSDM_DATIN4, UART7_CTS, QUADSPI_BK2_IO3, FMC_D7/DA7. Additional: COMP_2_INM.
64 PE11 bidirectional GPIO (FT_ha). Alt-funcs: TIM1_CH2, DFSDM_CKIN4, SPI4_NSS, SAI2_SD_B, FMC_D8/DA8, LCD_G3. Additional: COMP_2_INP.
65 PE12 bidirectional GPIO (FT_h). Alt-funcs: TIM1_CH3N, DFSDM_DATIN5, SPI4_SCK, SAI2_SCK_B, FMC_D9/DA9, COMP_1_OUT, LCD_B4.
66 PE13 bidirectional GPIO (FT_h). Alt-funcs: TIM1_CH3, DFSDM_CKIN5, SPI4_MISO, SAI2_FS_B, FMC_D10/DA10, COMP_2_OUT, LCD_DE.
67 PE14 bidirectional GPIO (FT_h). Alt-funcs: TIM1_CH4, SPI4_MOSI, SAI2_MCK_B, FMC_D11/DA11, LCD_CLK.
68 PE15 bidirectional GPIO (FT_h). Alt-funcs: TIM1_BKIN, HDMI_TIM1_BKIN, FMC_D12/DA12, TIM1_BKIN_COMP12, LCD_R7.
69 PB10 bidirectional GPIO (FT_f). Alt-funcs: TIM2_CH3, HRTIM_SCOUT, LPTIM2_IN1, I2C2_SCL, SPI2_SCK/I2S2_CK, DFSDM_DATIN7, USART3_TX, QUADSPI_BK1_NCS, OTG_HS_ULPI_D3, ETH_MII_RX_ER, LCD_G4.
70 PB11 bidirectional GPIO (FT_f). Alt-funcs: TIM2_CH4, HRTIM_SCIN, LPTIM2_ETR, I2C2_SDA, DFSDM_CKIN7, USART3_RX, OTG_HS_ULPI_D4, ETH_MII_TX_EN/RMII_TX_EN, LCD_G5.
71 VCAP1 power_out Internal 1.2 V core-regulator decoupling pin. Connect an external 2.2 μF ceramic to VSS; do not load. Powers the core (VCORE).
72 VDD power_in Digital core/IO supply, 1.62-3.6 V.
73 PB12 bidirectional GPIO (FT_u, USB-capable). Alt-funcs: TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, DFSDM_DATIN1, USART3_CK, CAN2_RX, OTG_HS_ULPI_D5, ETH_MII_TXD0/RMII_TXD0, OTG_HS_ID, UART5_RX.
74 PB13 bidirectional GPIO (FT_u). Alt-funcs: TIM1_CH1N, LPTIM2_OUT, SPI2_SCK/I2S2_CK, DFSDM_CKIN1, USART3_CTS_NSS, CAN2_TX, OTG_HS_ULPI_D6, ETH_MII_TXD1/RMII_TXD1, UART5_TX. Additional: OTG_HS_VBUS.
75 PB14 bidirectional GPIO (FT_u). Primary USB HS OTG D− pin (OTG_HS_DM). Also TIM1_CH2N, TIM12_CH1, TIM8_CH2N, USART1_TX, SPI2_MISO/I2S2_SDI, DFSDM_DATIN2, USART3_RTS, UART4_RTS, SDMMC2_D0.
76 PB15 bidirectional GPIO (FT_u). USB HS OTG D+ pin (OTG_HS_DP). Also RTC_REFIN, TIM1_CH3N, TIM12_CH2, TIM8_CH3N, USART1_RX, SPI2_MOSI/I2S2_SDO, DFSDM_CKIN2, UART4_CTS, SDMMC2_D1.
77 PD8 bidirectional GPIO (FT_h). Alt-funcs: DFSDM_CKIN3, SAI3_SCK_B, USART3_TX, SPDIFRX_IN1, FMC_D13/DA13.
78 PD9 bidirectional GPIO (FT_h). Alt-funcs: DFSDM_DATIN3, SAI3_SD_B, USART3_RX, CAN2_RXFD, FMC_D14/DA14.
79 PD10 bidirectional GPIO (FT_h). Alt-funcs: DFSDM_CKOUT, SAI3_FS_B, USART3_CK, CAN2_TXFD, FMC_D15/DA15, LCD_B3.
80 PD11 bidirectional GPIO (FT_h). Alt-funcs: LPTIM2_IN2, I2C4_SMBA, USART3_CTS_NSS, QUADSPI_BK1_IO0, SAI2_SD_A, FMC_A16.
81 PD12 bidirectional GPIO (FT_fh). Alt-funcs: LPTIM1_IN1, TIM4_CH1, LPTIM2_IN1, I2C4_SCL, USART3_RTS, QUADSPI_BK1_IO1, SAI2_FS_A, FMC_A17.
82 PD13 bidirectional GPIO (FT_fh). Alt-funcs: LPTIM1_OUT, TIM4_CH2, I2C4_SDA, QUADSPI_BK1_IO3, SAI2_SCK_A, FMC_A18.
83 VSS power_in Digital ground.
84 VDD power_in Digital core/IO supply, 1.62-3.6 V.
85 PD14 bidirectional GPIO (FT_h). Alt-funcs: TIM4_CH3, SAI3_MCLK_B, UART8_CTS, FMC_D0/DA0.
86 PD15 bidirectional GPIO (FT_h). Alt-funcs: TIM4_CH4, SAI3_MCLK_A, UART8_RTS, FMC_D1/DA1.
87 PG2 bidirectional GPIO (FT_h). Alt-funcs: TIM8_BKIN, TIM8_BKIN_COMP12, FMC_A12.
88 PG3 bidirectional GPIO (FT_h). Alt-funcs: TIM8_BKIN2, TIM8_BKIN2_COMP12, FMC_A13.
89 PG4 bidirectional GPIO (FT_h). Alt-funcs: TIM1_BKIN2, TIM1_BKIN2_COMP12, FMC_A14/BA0.
90 PG5 bidirectional GPIO (FT_h). Alt-funcs: TIM1_ETR, FMC_A15/BA1.
91 PG6 bidirectional GPIO (FT_h). Alt-funcs: TIM17_BKIN, HRTIM_CHE1, QUADSPI_BK1_NCS, FMC_NE3, DCMI_D12, LCD_R7.
92 PG7 bidirectional GPIO (FT_h). Alt-funcs: HRTIM_CHE2, SAI1_MCLK_A, USART6_CK, FMC_INT, DCMI_D13, LCD_CLK.
93 PG8 bidirectional GPIO (FT_h). Alt-funcs: TIM8_ETR, SPI6_NSS, USART6_RTS, SPDIFRX_IN2, ETH_PPS_OUT, FMC_SDCLK, LCD_G7.
94 VSS power_in Digital ground.
95 VDD33USB power_in USB 3.3 V supply for the internal USB PHYs; connect to 3.3 V (may share with VDD via ferrite/inductor). Decouple with 100 nF + 1 μF.
96 PC6 bidirectional GPIO (FT_h). Alt-funcs: HRTIM_CHA1, TIM3_CH1, TIM8_CH1, DFSDM_CKIN3, I2S2_MCK, USART6_TX, SDMMC1_D0DIR, FMC_NWAIT, SDMMC2_D6, SDMMC1_D6, DCMI_D0, LCD_HSYNC. Additional: SWPMI_IO.
97 PC7 bidirectional GPIO (FT_h). Alt-funcs: TRGIO, HRTIM_CHA2, TIM3_CH2, TIM8_CH2, DFSDM_DATIN3, I2S3_MCK, USART6_RX, SDMMC1_D123DIR, FMC_NE1, SDMMC2_D7, SWPMI_TX, SDMMC1_D7, DCMI_D1, LCD_G6.
98 PC8 bidirectional GPIO (FT_h). Alt-funcs: TRACED1, HRTIM_CHB1, TIM3_CH3, TIM8_CH3, USART6_CK, UART5_RTS, FMC_NE2/NCE, SWPMI_RX, SDMMC1_D0, DCMI_D2.
99 PC9 bidirectional GPIO (FT_fh). Alt-funcs: MCO2, TIM3_CH4, TIM8_CH4, I2C3_SDA, I2S_CKIN, UART5_CTS, QUADSPI_BK1_IO0, LCD_G3, SWPMI_SUSPEND, SDMMC1_D1, DCMI_D3, LCD_B2.
100 PA8 bidirectional GPIO (FT_fha). Alt-funcs: MCO1, TIM1_CH1, HRTIM_CHB2, TIM8_BKIN2, I2C3_SCL, USART1_CK, OTG_FS_SOF, UART7_RX, LCD_B3/R6.
101 PA9 bidirectional GPIO (FT_u, USB-capable). Alt-funcs: TIM1_CH2, HRTIM_CHC1, LPUART1_TX, I2C3_SMBA, SPI2_SCK/I2S2_CK, USART1_TX, CAN1_RXFD, ETH_TX_ER, DCMI_D0, LCD_R5. Additional: OTG_FS_VBUS.
102 PA10 bidirectional GPIO (FT_u). Alt-funcs: TIM1_CH3, HRTIM_CHC2, LPUART1_RX, USART1_RX, CAN1_TXFD, OTG_FS_ID, MDIOS_MDIO, LCD_B4/B1, DCMI_D1.
103 PA11 bidirectional GPIO (FT_u). USB FS OTG D− (OTG_FS_DM). Also TIM1_CH4, HRTIM_CHD1, LPUART1_CTS, SPI2_NSS/I2S2_WS, UART4_RX, USART1_CTS_NSS, CAN1_RX, LCD_R4.
104 PA12 bidirectional GPIO (FT_u). USB FS OTG D+ (OTG_FS_DP). Also TIM1_ETR, HRTIM_CHD2, LPUART1_RTS, SPI2_SCK/I2S2_CK, UART4_TX, USART1_RTS, SAI2_FS_B, CAN1_TX, LCD_R5.
105 PA13 bidirectional After reset: JTMS/SWDIO - SWD data / JTAG mode select. FT-tolerant. Can be remapped to GPIO PA13 after debug is disabled.
106 VCAP2 power_out Internal 1.2 V core-regulator decoupling pin (second VCAP). Connect an external 2.2 μF ceramic to VSS.
107 VSS power_in Digital ground.
108 VDD power_in Digital core/IO supply, 1.62-3.6 V.
109 PA14 bidirectional After reset: JTCK/SWCLK - SWD clock / JTAG clock. FT-tolerant. Can be remapped to GPIO PA14 after debug is disabled.
110 PA15 bidirectional After reset: JTDI. FT. Alt-funcs (once GPIO): TIM2_CH1/ETR, HRTIM_FLT1, HDMI_CEC, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, SPI6_NSS, UART4_RTS, UART7_TX.
111 PC10 bidirectional GPIO (FT_ha). Alt-funcs: HRTIM_EEV1, DFSDM_CKIN5, SPI3_SCK/I2S3_CK, USART3_TX, UART4_TX, QUADSPI_BK1_IO1, SDMMC1_D2, DCMI_D8, LCD_R2.
112 PC11 bidirectional GPIO (FT_h). Alt-funcs: HRTIM_FLT2, DFSDM_DATIN5, SPI3_MISO/I2S3_SDI, USART3_RX, UART4_RX, QUADSPI_BK2_NCS, SDMMC1_D3, DCMI_D4.
113 PC12 bidirectional GPIO (FT_h). Alt-funcs: TRACED3, HRTIM_EEV2, SPI3_MOSI/I2S3_SDO, USART3_CK, UART5_TX, SDMMC1_CK, DCMI_D9.
114 PD0 bidirectional GPIO (FT_h). Alt-funcs: DFSDM_CKIN6, SAI3_SCK_A, UART4_RX, CAN1_RX, FMC_D2/DA2.
115 PD1 bidirectional GPIO (FT_h). Alt-funcs: DFSDM_DATIN6, SAI3_SD_A, UART4_TX, CAN1_TX, FMC_D3/DA3.
116 PD2 bidirectional GPIO (FT_h). Alt-funcs: TRACED2, TIM3_ETR, UART5_RX, SDMMC1_CMD, DCMI_D11.
117 PD3 bidirectional GPIO (FT_h). Alt-funcs: DFSDM_CKOUT, SPI2_SCK/I2S2_CK, USART2_CTS_NSS, FMC_CLK, DCMI_D5, LCD_G7.
118 PD4 bidirectional GPIO (FT_h). Alt-funcs: HRTIM_FLT3, SAI3_FS_A, USART2_RTS, CAN1_RXFD, FMC_NOE.
119 PD5 bidirectional GPIO (FT_h). Alt-funcs: HRTIM_EEV3, USART2_TX, CAN1_TXFD, FMC_NWE.
120 VSS power_in Digital ground.
121 VDD power_in Digital core/IO supply, 1.62-3.6 V.
122 PD6 bidirectional GPIO (FT_h). Alt-funcs: SAI1_D1/SD_A, DFSDM_CKIN4/DATIN1, SPI3_MOSI/I2S3_SDO, USART2_RX, SAI4_SD_A/D1, CAN2_RXFD, SDMMC2_CK, FMC_NWAIT, DCMI_D10, LCD_B2.
123 PD7 bidirectional GPIO (FT_h). Alt-funcs: DFSDM_DATIN4/CKIN1, SPI1_MOSI/I2S1_SDO, USART2_CK, SPDIFRX_IN0, SDMMC2_CMD, FMC_NE1.
124 PG9 bidirectional GPIO (FT_h). Alt-funcs: SPI1_MISO/I2S1_SDI, USART6_RX, SPDIFRX_IN3, QUADSPI_BK2_IO2, SAI2_FS_B, FMC_NE2/NCE, DCMI_VSYNC.
125 PG10 bidirectional GPIO (FT_h). Alt-funcs: HRTIM_FLT5, SPI1_NSS/I2S1_WS, LCD_G3, SAI2_SD_B, FMC_NE3, DCMI_D2, LCD_B2.
126 PG11 bidirectional GPIO (FT_h). Alt-funcs: HRTIM_EEV4, SPI1_SCK/I2S1_CK, SPDIFRX_IN0, SDMMC2_D2, ETH_MII_TX_EN/RMII_TX_EN, DCMI_D3, LCD_B3.
127 PG12 bidirectional GPIO (FT_h). Alt-funcs: LPTIM1_IN1, HRTIM_EEV5, SPI6_MISO, USART6_RTS, SPDIFRX_IN1, LCD_B4/B1, ETH_MII_TXD1/RMII_TXD1, FMC_NE4.
128 PG13 bidirectional GPIO (FT_h). Alt-funcs: TRACED0, LPTIM1_OUT, HRTIM_EEV10, SPI6_SCK, USART6_CTS_NSS, ETH_MII_TXD0/RMII_TXD0, FMC_A24, LCD_R0.
129 PG14 bidirectional GPIO (FT_h). Alt-funcs: TRACED1, LPTIM1_ETR, SPI6_MOSI, USART6_TX, QUADSPI_BK2_IO3, ETH_MII_TXD1/RMII_TXD1, FMC_A25, LCD_B0.
130 VSS power_in Digital ground.
131 VDD power_in Digital core/IO supply, 1.62-3.6 V.
132 PG15 bidirectional GPIO (FT_h). Alt-funcs: USART6_CTS_NSS, FMC_SDNCAS, DCMI_D13.
133 PB3 bidirectional After reset: JTDO / TRACESWO - SWO trace output / JTAG data out. FT. Alt-funcs (once GPIO): TIM2_CH2, HRTIM_FLT4, SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, SPI6_SCK, SDMMC2_D2, UART7_RX.
134 PB4 bidirectional After reset: NJTRST - active-low JTAG reset. FT. Alt-funcs (once GPIO): TIM16_BKIN, TIM3_CH1, HRTIM_EEV6, SPI1_MISO/I2S1_SDI, SPI3_MISO/I2S3_SDI, SPI2_NSS/I2S2_WS, SPI6_MISO, SDMMC2_D3, UART7_TX.
135 PB5 bidirectional GPIO (FT). Alt-funcs: TIM17_BKIN, TIM3_CH2, HRTIM_EEV7, I2C1_SMBA, SPI1_MOSI/I2S1_SDO, I2C4_SMBA, SPI3_MOSI/I2S3_SDO, SPI6_MOSI, CAN2_RX, OTG_HS_ULPI_D7, ETH_PPS_OUT, FMC_SDCKE1, DCMI_D10, UART5_RX.
136 PB6 bidirectional GPIO (FT_f). Alt-funcs: TIM16_CH1N, TIM4_CH1, HRTIM_EEV8, I2C1_SCL, HDMI_CEC, I2C4_SCL, USART1_TX, LPUART1_TX, CAN2_TX, QUADSPI_BK1_NCS, DFSDM_DATIN5, FMC_SDNE1, DCMI_D5, UART5_TX.
137 PB7 bidirectional GPIO (FT_fa). Alt-funcs: TIM17_CH1N, TIM4_CH2, HRTIM_EEV9, I2C1_SDA, I2C4_SDA, USART1_RX, LPUART1_RX, CAN2_TXFD, DFSDM_CKIN5, FMC_NL, DCMI_VSYNC. Additional: PVD_IN.
138 BOOT0 input Boot-mode select input (dedicated pin, up to 9 V-tolerant). Sampled at reset: 0 = boot from main Flash / user option, 1 = boot from system memory (built-in ROM bootloader). Additional function: VPP for Flash programming.
139 PB8 bidirectional GPIO (FT_fh). Alt-funcs: TIM16_CH1, TIM4_CH3, DFSDM_CKIN7, I2C1_SCL, I2C4_SCL, SDMMC1_CKIN, UART4_RX, CAN1_RX, SDMMC2_D4, ETH_MII_TXD3, SDMMC1_D4, DCMI_D6, LCD_B6.
140 PB9 bidirectional GPIO (FT_fh). Alt-funcs: TIM17_CH1, TIM4_CH4, DFSDM_DATIN7, I2C1_SDA, SPI2_NSS/I2S2_WS, I2C4_SDA, SDMMC1_CDIR, UART4_TX, CAN1_TX, SDMMC2_D5, I2C4_SMBA, SDMMC1_D5, DCMI_D7, LCD_B7.
141 PE0 bidirectional GPIO (FT_h). Alt-funcs: LPTIM1_ETR, TIM4_ETR, HRTIM_SCIN, LPTIM2_ETR, UART8_RX, CAN1_RXFD, SAI2_MCK_A, FMC_NBL0, DCMI_D2.
142 PE1 bidirectional GPIO (FT_h). Alt-funcs: LPTIM1_IN2, HRTIM_SCOUT, UART8_TX, CAN1_TXFD, FMC_NBL1, DCMI_D3.
143 PDR_ON power_in Power-down reset enable input. Tie to VDD to enable the internal PDR; tie to VSS to disable (PDR-off mode, must then supply VDD from a monitored rail).
144 VDD power_in Digital core/IO supply, 1.62-3.6 V.

Key specifications

Parameter Value
Core Arm Cortex-M7
Max clock 480 MHz
Flash 2048 kB
RAM 1024 kB
I/O pins 114
Supply 1.62 to 3.6 V
Temperature -40 to 85 C
ST status Active
Manufacturer STMicroelectronics
Package LQFP-144(20x20)
Category Embedded Processors & Controllers
Pins 144

Ordering variants

Same part, different packaging or reel option.

  • STM32H743ZIT6VIT6
  • STM32H743ZIT6VIT7
  • STM32H743ZIT6VIH6
  • STM32H743ZIT6VIH7
  • STM32H743ZIT6
  • STM32H743ZIT6ZIT7
  • STM32H743ZIT6IIK6
  • STM32H743ZIT6IIK7
  • STM32H743ZIT6IIT6
  • STM32H743ZIT6IIT7
  • STM32H743ZIT6AII6
  • STM32H743ZIT6AII7
  • STM32H743ZIT6BIT6
  • STM32H743ZIT6BIT7
  • STM32H743ZIT6XIH6
  • STM32H743ZIT6XIH7

CAD (KiCad official)

  • Symbol: STM32H743ZIT6
  • Footprint: Package_QFP:LQFP-144_20x20mm_P0.5mm
  • 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
  • 3D model files: stm32h743zit6-etched.step / stm32h743zit6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32h743zit6.step / stm32h743zit6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (96 pp, sha256 7db03f9ad2972f0a, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF