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stm32h743bit6-etched.glb stm32h743bit6: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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STM32H743BIT6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-208(28x28)

STM32H743BIT6 from STMicroelectronics, in a LQFP-208(28x28). 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 PE2 bidirectional GPIO port E pin 2; supports SAI, SPI, QUADSPI, ETH, FMC, and LCD alternate functions.
2 PE3 bidirectional GPIO port E pin 3; supports SAI, TIM15, FMC alternate functions.
3 PE4 bidirectional GPIO port E pin 4; supports SAI, SPI, TIM15, DCMI, LCD alternate functions.
4 PE5 bidirectional GPIO port E pin 5; supports SAI, SPI, TIM15, DCMI, LCD alternate functions.
5 PE6 bidirectional GPIO port E pin 6; supports TIM1, SAI, SPI, LCD alternate functions.
6 VBAT power_in Battery power supply for backup domain (1.2-3.6V).
7 PI8 bidirectional GPIO port I pin 8; reserved for future use with RTC tamper/wakeup functionality.
8 PC13 bidirectional GPIO port C pin 13; RTC tamper/timestamp/wakeup pin with event output capability.
9 PC14-OSC32_IN (OSC32_IN) bidirectional GPIO port C pin 14 configured as 32 kHz oscillator input for RTC.
10 PC15-OSC32_OUT (OSC32_OUT) bidirectional GPIO port C pin 15 configured as 32 kHz oscillator output for RTC.
11 PI9 bidirectional GPIO port I pin 9; supports UART, FDCAN, FMC, LCD alternate functions.
12 PI10 bidirectional GPIO port I pin 10; supports ETH, FMC, LCD alternate functions.
13 PI11 bidirectional GPIO port I pin 11; supports LCD, OTG_HS_ULPI alternate functions.
14 VSS power_in Ground; digital circuit ground reference.
15 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
16 PF0 bidirectional GPIO port F pin 0; I2C2 alternate function for SDA.
17 PF1 bidirectional GPIO port F pin 1; I2C2 alternate function for SCL.
18 PF2 bidirectional GPIO port F pin 2; I2C2 SMBA alternate function.
19 PI12 bidirectional GPIO port I pin 12; LCD HSYNC alternate function.
20 PI13 bidirectional GPIO port I pin 13; LCD VSYNC alternate function.
21 PI14 bidirectional GPIO port I pin 14 with 5V tolerance; LCD CLK alternate function.
22 PF3 bidirectional GPIO port F pin 3 with analog option; ADC3 channel with FMC address function.
23 PF4 bidirectional GPIO port F pin 4 with analog option; ADC3 channel with FMC address function.
24 PF5 bidirectional GPIO port F pin 5 with analog option; ADC3 channel with FMC address function.
25 VSS power_in Ground; digital circuit ground reference.
26 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
27 PF6 bidirectional GPIO port F pin 6 with analog option; TIM16, SPI5, SAI, UART, QUADSPI alternate functions.
28 PF7 bidirectional GPIO port F pin 7 with analog option; TIM17, SPI5, SAI, UART, QUADSPI alternate functions.
29 PF8 bidirectional GPIO port F pin 8 with analog option; TIM16, SPI5, SAI, UART, QUADSPI alternate functions.
30 PF9 bidirectional GPIO port F pin 9 with analog option; TIM17, SPI5, SAI, UART, QUADSPI alternate functions.
31 PF10 bidirectional GPIO port F pin 10 with analog option; TIM16, SAI, QUADSPI, DCMI, LCD alternate functions.
32 PH0-OSC_IN (PH0) bidirectional GPIO port H pin 0 configured as external high-speed oscillator input.
33 PH1-OSC_OUT (PH1) bidirectional GPIO port H pin 1 configured as external high-speed oscillator output.
34 NRST input Active-low reset pin with embedded weak pull-up resistor and hysteresis.
35 PC0 bidirectional GPIO port C pin 0 with analog option; ADC input and digital filter alternate functions.
36 PC1 bidirectional GPIO port C pin 1 with 5V tolerance and analog option; SAI, SPI, SDMMC, ETH alternate functions.
37 PC2_C bidirectional Analog-only pad; ADC3 differential input or single-ended input when analog switch is closed.
38 PC3_C bidirectional Analog-only pad; ADC3 input when analog switch is closed.
39 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
40 VSSA power_in Ground for analog domain (ADC, DAC, OPAMP, COMP).
41 VREF+ power_in Positive voltage reference for ADC (1.62-3.6V); must be decoupled.
42 VDDA power_in Analog domain power supply (1.62-3.6V) for ADC, DAC, OPAMP, COMP.
43 PA0 bidirectional GPIO port A pin 0 with analog option; TIM2, TIM5, TIM8, USART, SDMMC, ETH alternate functions.
44 PA1 bidirectional GPIO port A pin 1 with 5V tolerance and analog option; TIM2, TIM5, LPTIM3, USART, QUADSPI, ETH alternate functions.
45 PA2 bidirectional GPIO port A pin 2 with analog option; TIM2, TIM5, LPTIM4, USART, ETH alternate functions.
46 PH2 bidirectional GPIO port H pin 2 with 5V tolerance and analog option; LPTIM1, QUADSPI, SAI, ETH, FMC, LCD alternate functions.
47 PH3 bidirectional GPIO port H pin 3 with 5V tolerance and analog option; QUADSPI, SAI, ETH, FMC, LCD alternate functions.
48 PH4 bidirectional GPIO port H pin 4 with I2C and analog options; I2C2, LCD, OTG_HS_ULPI alternate functions.
49 PH5 bidirectional GPIO port H pin 5 with I2C and analog options; I2C2, SPI5, FMC alternate functions.
50 PA3 bidirectional GPIO port A pin 3 with 5V tolerance and analog option; TIM2, TIM5, LPTIM5, USART, LCD, OTG alternate functions.
51 VSS power_in Ground; digital circuit ground reference.
52 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
53 PA4 bidirectional GPIO port A pin 4 with analog option; TIM5, SPI, USART, OTG, DCMI, LCD, DAC output alternate functions.
54 PA5 bidirectional GPIO port A pin 5 with 5V tolerance and analog option; TIM2, TIM8, SPI1, OTG_HS, LCD, DAC output alternate functions.
55 PA6 bidirectional GPIO port A pin 6 with analog option; TIM1, TIM3, TIM8, SPI, TIM13, MDIOS, DCMI, LCD alternate functions.
56 PA7 bidirectional GPIO port A pin 7 with analog option; TIM1, TIM3, TIM8, SPI1, TIM14, ETH, FMC, OPAMP1 alternate functions.
57 PC4 bidirectional GPIO port C pin 4 with analog option; DFSDM, I2S, SPDIFRX, ETH, FMC alternate functions.
58 PC5 bidirectional GPIO port C pin 5 with analog option; SAI, DFSDM, SPDIFRX, ETH, FMC, OPAMP alternate functions.
59 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
60 VSS power_in Ground; digital circuit ground reference.
61 PB0 bidirectional GPIO port B pin 0 with analog option; TIM1, TIM3, TIM8, DFSDM, UART, OTG, ETH, LCD, OPAMP alternate functions.
62 PB1 bidirectional GPIO port B pin 1 with analog option; TIM1, TIM3, TIM8, DFSDM, OTG, ETH, LCD, OPAMP alternate functions.
63 PB2 bidirectional GPIO port B pin 2 with 5V tolerance and analog option; RTC, SAI, DFSDM, SPI3, QUADSPI, OPAMP alternate functions.
64 PI15 bidirectional GPIO port I pin 15; LCD G2, LCD R0 alternate functions.
65 PJ0 bidirectional GPIO port J pin 0; LCD R7, LCD R1 alternate functions.
66 PJ1 bidirectional GPIO port J pin 1; LCD R2 alternate function.
67 PJ2 bidirectional GPIO port J pin 2; LCD R3 alternate function.
68 PJ3 bidirectional GPIO port J pin 3; LCD R4 alternate function.
69 PJ4 bidirectional GPIO port J pin 4; LCD R5 alternate function.
70 PF11 bidirectional GPIO port F pin 11 with analog option; SPI5, SAI2, FMC, DCMI alternate functions.
71 PF12 bidirectional GPIO port F pin 12 with 5V tolerance and analog option; FMC address function.
72 VSS power_in Ground; digital circuit ground reference.
73 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
74 PF13 bidirectional GPIO port F pin 13 with 5V tolerance and analog option; DFSDM, I2C4, FMC alternate functions.
75 PF14 bidirectional GPIO port F pin 14 with I2C, 5V tolerance, and analog options; DFSDM, I2C4, FMC alternate functions.
76 PF15 bidirectional GPIO port F pin 15 with I2C and 5V tolerance; I2C4 SDA alternate function.
77 PG0 bidirectional GPIO port G pin 0 with 5V tolerance; FMC address function.
78 PG1 bidirectional GPIO port G pin 1 with 5V tolerance; FMC address, OPAMP2 VINM alternate functions.
79 PE7 bidirectional GPIO port E pin 7 with analog option; TIM1, DFSDM, UART7, QUADSPI, FMC, OPAMP2 alternate functions.
80 PE8 bidirectional GPIO port E pin 8 with analog option; TIM1, DFSDM, UART7, QUADSPI, FMC, OPAMP2 alternate functions.
81 PE9 bidirectional GPIO port E pin 9 with analog option; TIM1, DFSDM, UART7, QUADSPI, FMC, OPAMP2 alternate functions.
82 VSS power_in Ground; digital circuit ground reference.
83 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
84 PE10 bidirectional GPIO port E pin 10 with analog option; TIM1, DFSDM, UART7, QUADSPI, FMC, COMP2 alternate functions.
85 PE11 bidirectional GPIO port E pin 11 with analog option; TIM1, DFSDM, SPI4, SAI2, FMC, LCD, COMP2 alternate functions.
86 PE12 bidirectional GPIO port E pin 12 with 5V tolerance; TIM1, DFSDM, SPI4, SAI2, FMC, LCD, COMP1 alternate functions.
87 PE13 bidirectional GPIO port E pin 13 with 5V tolerance; TIM1, DFSDM, SPI4, SAI2, FMC, LCD, COMP2 alternate functions.
88 PE14 bidirectional GPIO port E pin 14 with 5V tolerance; TIM1, SPI4, SAI2, FMC, LCD alternate functions.
89 PE15 bidirectional GPIO port E pin 15 with 5V tolerance; TIM1, FMC, LCD alternate functions.
90 PB10 bidirectional GPIO port B pin 10 with I2C option; TIM2, HRTIM, LPTIM2, I2C2, SPI2, DFSDM, USART3, QUADSPI, OTG, ETH, LCD alternate functions.
91 PB11 bidirectional GPIO port B pin 11 with I2C option; TIM2, HRTIM, LPTIM2, I2C2, DFSDM, USART3, OTG, ETH, LCD alternate functions.
92 VCAP power_in Decoupling capacitor pin for main voltage regulator (2.2µF capacitor required).
93 VSS power_in Ground; digital circuit ground reference.
94 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
95 PJ5 bidirectional GPIO port J pin 5; LCD R6 alternate function.
96 PH6 bidirectional GPIO port H pin 6; TIM12, I2C2, SPI5, ETH, FMC, DCMI alternate functions.
97 PH7 bidirectional GPIO port H pin 7 with I2C and 5V tolerance; I2C3, SPI5, ETH, FMC, DCMI alternate functions.
98 PH8 bidirectional GPIO port H pin 8 with I2C and 5V tolerance; TIM5, I2C3, FMC, DCMI, LCD alternate functions.
99 PH9 bidirectional GPIO port H pin 9 with 5V tolerance; TIM12, I2C3, FMC, DCMI, LCD alternate functions.
100 PH10 bidirectional GPIO port H pin 10 with 5V tolerance; TIM5, I2C4, FMC, DCMI, LCD alternate functions.
101 PH11 bidirectional GPIO port H pin 11 with I2C and 5V tolerance; TIM5, I2C4, FMC, DCMI, LCD alternate functions.
102 PH12 bidirectional GPIO port H pin 12 with I2C and 5V tolerance; TIM5, I2C4, FMC, DCMI, LCD alternate functions.
103 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
104 PB12 bidirectional GPIO port B pin 12 with USB option; TIM1, I2C2, SPI2, DFSDM, USART3, FDCAN2, OTG_HS, ETH alternate functions.
105 PB13 bidirectional GPIO port B pin 13 with USB option; TIM1, LPTIM2, SPI2, DFSDM, USART3, FDCAN2, OTG_HS, UART5 alternate functions.
106 PB14 bidirectional GPIO port B pin 14 with USB option; TIM1, TIM12, TIM8, USART1, SPI2, DFSDM, USART3, UART4, SDMMC2, OTG_HS alternate functions.
107 PB15 bidirectional GPIO port B pin 15 with USB option; RTC, TIM1, TIM12, TIM8, USART1, SPI2, DFSDM, UART4, SDMMC2, OTG_HS alternate functions.
108 PD8 bidirectional GPIO port D pin 8 with 5V tolerance; DFSDM, SAI3, USART3, SPDIFRX, FMC alternate functions.
109 PD9 bidirectional GPIO port D pin 9 with 5V tolerance; DFSDM, SAI3, USART3, FMC alternate functions.
110 PD10 bidirectional GPIO port D pin 10 with 5V tolerance; DFSDM, SAI3, USART3, FMC, LCD alternate functions.
111 PD11 bidirectional GPIO port D pin 11 with 5V tolerance; LPTIM2, I2C4, USART3, QUADSPI, SAI2, FMC alternate functions.
112 PD12 bidirectional GPIO port D pin 12 with I2C and 5V tolerance; LPTIM1, TIM4, LPTIM2, I2C4, USART3, QUADSPI, SAI2, FMC alternate functions.
113 PD13 bidirectional GPIO port D pin 13 with I2C and 5V tolerance; LPTIM1, TIM4, I2C4, QUADSPI, SAI2, FMC alternate functions.
114 VSS power_in Ground; digital circuit ground reference.
115 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
116 PD14 bidirectional GPIO port D pin 14 with 5V tolerance; TIM4, SAI3, UART8, FMC alternate functions.
117 PD15 bidirectional GPIO port D pin 15 with 5V tolerance; TIM4, SAI3, UART8, FMC alternate functions.
118 PJ6 bidirectional GPIO port J pin 6; TIM8, LCD R7 alternate functions.
119 PJ7 bidirectional GPIO port J pin 7; TRGIN, TIM8, LCD G0 alternate functions.
120 PJ8 bidirectional GPIO port J pin 8; TIM1, TIM8, UART8, LCD G1 alternate functions.
121 PJ9 bidirectional GPIO port J pin 9; TIM1, TIM8, UART8, LCD G2 alternate functions.
122 PJ10 bidirectional GPIO port J pin 10; TIM1, TIM8, SPI5, LCD G3 alternate functions.
123 PJ11 bidirectional GPIO port J pin 11; TIM1, TIM8, SPI5, LCD G4 alternate functions.
124 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
125 VSS power_in Ground; digital circuit ground reference.
126 PK0 bidirectional GPIO port K pin 0; TIM1, TIM8, SPI5, LCD G5 alternate functions.
127 PK1 bidirectional GPIO port K pin 1; TIM1, TIM8, SPI5, LCD G6 alternate functions.
128 PK2 bidirectional GPIO port K pin 2; TIM1, TIM8, LCD G7 alternate functions.
129 PG2 bidirectional GPIO port G pin 2 with 5V tolerance; TIM8, FMC address alternate functions.
130 PG3 bidirectional GPIO port G pin 3 with 5V tolerance; TIM8, FMC address alternate functions.
131 PG4 bidirectional GPIO port G pin 4 with 5V tolerance; TIM1, FMC address alternate functions.
132 PG5 bidirectional GPIO port G pin 5 with 5V tolerance; TIM1, FMC address alternate functions.
133 PG6 bidirectional GPIO port G pin 6 with 5V tolerance; TIM17, HRTIM, QUADSPI, FMC, DCMI, LCD alternate functions.
134 PG7 bidirectional GPIO port G pin 7 with 5V tolerance; HRTIM, SAI1, USART6, FMC, DCMI, LCD alternate functions.
135 PG8 bidirectional GPIO port G pin 8 with 5V tolerance; TIM8, SPI6, USART6, SPDIFRX, ETH, FMC, LCD alternate functions.
136 VSS power_in Ground; digital circuit ground reference.
137 VDD33_USB power_in 3.3V power supply for USB domain (3.0-3.6V when USB used).
138 PC6 bidirectional GPIO port C pin 6 with 5V tolerance; HRTIM, TIM3, TIM8, DFSDM, I2S, USART6, SDMMC, FMC, DCMI, LCD, SWPMI alternate functions.
139 PC7 bidirectional GPIO port C pin 7 with 5V tolerance; HRTIM, TIM3, TIM8, DFSDM, I2S, USART6, SDMMC, FMC, DCMI, SWPMI, LCD alternate functions.
140 PC8 bidirectional GPIO port C pin 8 with 5V tolerance; HRTIM, TIM3, TIM8, USART6, UART5, FMC, SWPMI, SDMMC, DCMI alternate functions.
141 PC9 bidirectional GPIO port C pin 9 with I2C and 5V tolerance; MCO2, TIM3, TIM8, I2C3, I2S, UART5, QUADSPI, SWPMI, SDMMC, DCMI, LCD alternate functions.
142 PA8 bidirectional GPIO port A pin 8 with I2C and 5V tolerance; MCO1, TIM1, HRTIM, TIM8, I2C3, USART1, OTG_FS, UART7, LCD alternate functions.
143 PA9 bidirectional GPIO port A pin 9 with USB option; TIM1, HRTIM, LPUART1, I2C3, SPI2, USART1, DCMI, LCD alternate functions.
144 PA10 bidirectional GPIO port A pin 10 with USB option; TIM1, HRTIM, LPUART1, USART1, OTG_FS, MDIOS, DCMI, LCD alternate functions.
145 PA11 bidirectional GPIO port A pin 11 with USB option; TIM1, HRTIM, LPUART1, SPI2, UART4, USART1, FDCAN1, OTG_FS, LCD alternate functions.
146 PA12 bidirectional GPIO port A pin 12 with USB option; TIM1, HRTIM, LPUART1, SPI2, UART4, USART1, SAI2, FDCAN1, OTG_FS, LCD alternate functions.
147 PA13 (JTMS/SWDIO) bidirectional JTAG Test Mode Select (JTMS) / Serial Wire Debug Data Input/Output (SWDIO) with 5V tolerance; required for debug.
148 VCAP power_in Decoupling capacitor pin for main voltage regulator (2.2µF capacitor required).
149 VSS power_in Ground; digital circuit ground reference.
150 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
151 PH13 bidirectional GPIO port H pin 13 with 5V tolerance; TIM8, UART4, FDCAN1, FMC, LCD alternate functions.
152 PH14 bidirectional GPIO port H pin 14 with 5V tolerance; TIM8, UART4, FDCAN1, DCMI, LCD alternate functions.
153 PH15 bidirectional GPIO port H pin 15 with 5V tolerance; TIM8, DCMI, LCD alternate functions.
154 PI0 bidirectional GPIO port I pin 0 with 5V tolerance; TIM5, SPI2, DCMI, LCD alternate functions.
155 PI1 bidirectional GPIO port I pin 1 with 5V tolerance; TIM8, SPI2, DCMI, LCD alternate functions.
156 PI2 bidirectional GPIO port I pin 2 with 5V tolerance; TIM8, SPI2, DCMI, LCD alternate functions.
157 PI3 bidirectional
158 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
159 PA14 (JTCK/SWCLK) bidirectional
160 PA15 (JTDI) bidirectional
161 PC10 bidirectional
162 PC11 bidirectional
163 PC12 bidirectional
164 PD0 bidirectional
165 PD1 bidirectional
166 PD2 bidirectional
167 PD3 bidirectional
168 PD4 bidirectional
169 PD5 bidirectional
170 VSS power_in Ground; digital circuit ground reference.
171 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
172 PD6 bidirectional
173 PD7 bidirectional
174 PJ12 bidirectional
175 PJ13 bidirectional
176 PJ14 bidirectional
177 PJ15 bidirectional
178 PG9 bidirectional
179 PG10 bidirectional
180 PG11 bidirectional
181 PG12 bidirectional
182 PG13 bidirectional
183 PG14 bidirectional
184 VSS power_in Ground; digital circuit ground reference.
185 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
186 PK3 bidirectional
187 PK4 bidirectional
188 PK5 bidirectional
189 PK6 bidirectional
190 PK7 bidirectional
191 PG15 bidirectional
192 PB3 (JTDO/TRACESWO) bidirectional
193 PB4 (NJTRST) bidirectional
194 PB5 bidirectional
195 PB6 bidirectional
196 PB7 bidirectional
197 BOOT0 input
198 PB8 bidirectional
199 PB9 bidirectional
200 PE0 bidirectional
201 PE1 bidirectional
202 VSS power_in Ground; digital circuit ground reference.
203 PDR_ON power_in
204 VDD power_in Main power supply (1.62-3.6V) for digital circuits.
205 PI4 bidirectional
206 PI5 bidirectional
207 PI6 bidirectional
208 PI7 bidirectional

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-208(28x28)
Category Embedded Processors & Controllers
Pins 208

CAD (KiCad official)

  • Symbol: STM32H743BIT6
  • Footprint: Package_QFP:LQFP-208_28x28mm_P0.5mm
  • 3D model: LQFP-208(28x28) (KiCad packages3D, STEP)
  • 3D model files: stm32h743bit6-etched.step / stm32h743bit6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32h743bit6.step / stm32h743bit6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (362 pp, sha256 a80c932f9258362f, retrieved 2026-09-29, 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