STM32H745II datasheet(11/252 Pages) STMICROELECTRONICS

11 / 252 page

DS12923 Rev 1

11/252

STM32H745xI/G

List of figures

Figure 1.

STM32H745xI/G block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 2.

TFBGA240+25 ball assignment differences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 3.

ART™ accelerator schematic and environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 4.

Power-up/power-down sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 5.

STM32H745xI/G bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Figure 6.

LQFP144 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Figure 7.

LQFP176 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Figure 8.

UFBGA176+25 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Figure 9.

LQFP208 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Figure 10.

TFBGA240+25 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Figure 11.

Pin loading conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Figure 12.

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Figure 13.

Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Figure 14.

Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Figure 15.

External capacitor CEXT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

Figure 16.

External components for SMPS step-down converter . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Figure 17.

Typical SMPS efficiency (%) vs load current (A) in Run mode at TJ = 30 °C. . . . . . . . . . 128

Figure 18.

Typical SMPS efficiency (%) vs load current (A) in Run mode at TJ = TJmax . . . . . . . . 128

Figure 19.

Typical SMPS efficiency (%) vs load current (A) in low-power mode at TJ = 30 °C . . . . . 129

Figure 20.

Typical SMPS efficiency (%) vs load current (A) in low-power mode at TJ = TJmax . . . 130

Figure 21.

High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Figure 22.

Low-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Figure 23.

Typical application with an 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Figure 24.

Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Figure 25.

VIL/VIH for all I/Os except BOOT0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Figure 26.

Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Figure 27.

Asynchronous non-multiplexed SRAM/PSRAM/NOR read waveforms . . . . . . . . . . . . . . 160

Figure 28.

Asynchronous non-multiplexed SRAM/PSRAM/NOR write waveforms . . . . . . . . . . . . . . 162

Figure 29.

Asynchronous multiplexed PSRAM/NOR read waveforms. . . . . . . . . . . . . . . . . . . . . . . . 164

Figure 30.

Synchronous multiplexed NOR/PSRAM read timings . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Figure 31.

Synchronous multiplexed PSRAM write timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

Figure 32.

Synchronous non-multiplexed NOR/PSRAM read timings . . . . . . . . . . . . . . . . . . . . . . . . 171

Figure 33.

Synchronous non-multiplexed PSRAM write timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Figure 34.

NAND controller waveforms for read access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

Figure 35.

NAND controller waveforms for write access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Figure 36.

NAND controller waveforms for common memory read access . . . . . . . . . . . . . . . . . . . . 176

Figure 37.

NAND controller waveforms for common memory write access. . . . . . . . . . . . . . . . . . . . 177

Figure 38.

SDRAM read access waveforms (CL = 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

Figure 39.

SDRAM write access waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

Figure 40.

Quad-SPI timing diagram - SDR mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Figure 41.

Quad-SPI timing diagram - DDR mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Figure 42.

ADC accuracy characteristics (12-bit resolution) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Figure 43.

Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Figure 44.

Power supply and reference decoupling (VREF+ not connected to VDDA). . . . . . . . . . . . . 192

Figure 45.

Power supply and reference decoupling (VREF+ connected to VDDA). . . . . . . . . . . . . . . . 192

Figure 46.

12-bit buffered /non-buffered DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196

Figure 47.

Channel transceiver timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Figure 48.

DCMI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

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