STM32H7 datasheet(87/357 Pages) STMICROELECTRONICS

87 / 357 page

DS12110 Rev 10

87/357

STM32H742xI/G STM32H743xI/G

Pin descriptions

101

143

171

203

PDR_ON

-F4

VDDLDO

(8)

S-

100

144

172

204

VDD

173

205

PI4

I/O

FT_h

TIM8_BKIN,

SAI2_MCLK_A,

TIM8_BKIN_COMP12,

FMC_NBL2, DCMI_D5,

LCD_B4, EVENTOUT

174

206

PI5

I/O

FT_h

TIM8_CH1,

SAI2_SCK_A,

FMC_NBL3,

DCMI_VSYNC, LCD_B5,

EVENTOUT

175

207

PI6

I/O

FT_h

TIM8_CH2, SAI2_SD_A,

FMC_D28, DCMI_D6,

LCD_B6, EVENTOUT

176

208

PI7

I/O

FT_h

TIM8_CH3, SAI2_FS_A,

FMC_D29, DCMI_D7,

LCD_B7, EVENTOUT

VSS

K10

M15

VSS

1. When this pin/ball was previously configured as an oscillator, the oscillator function is kept during and after a reset. This is

valid for all resets except for power-on reset.

2. This ball should remain floating.

3. This ball should not remain floating. It can be connected to VSS or VDD. It is reserved for future use.

4. This ball should be connected to VSS.

5. Pxy_C and Pxy pins/balls are two separate pads (analog switch open). The analog switch is configured through a SYSCFG

6. There is a direct path between Pxy_C and Pxy pins/balls, through an analog switch. Pxy alternate functions are available on

Pxy_C when the analog switch is closed. The analog switch is configured through a SYSCFG register. Refer to the product

reference manual for a detailed description of the switch configuration bits.

7. VREF+ pin, and consequently the internal voltage reference, are not available on the TFBGA100 package. On this package,

this pin is double-bonded to VDDA which can be connected to an external reference. The internal voltage reference buffer is

not available and must be kept disabled

8. When it is not available on a package, the VDDLDO pin is internally tied to VDD.

9. When the pin is used in USB configuration (OTG_HS_ID/OTG_HS_VBUS), the I/O is supplied by VDD33USB, otherwise it is

supplied by VDD.

10. When it is not available on a package, the VDD50USB pin is internally tied to VDD33USB.

Table 9. Pin/ball definition (continued)

Pin/ball name

Pin name

(function

after

reset)

Alternate functions

Additional

functions

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