STM32U375CE datasheet(220/222 Pages) STMICROELECTRONICS

220 / 222 page

List of figures

Figure 1.

STM32U375xx block diagram .......................................................... 8

Figure 2.

STM32U375xx power supply overview (without SMPS) ....................................... 18

Figure 3.

STM32U375xxxxQ power supply overview (with SMPS) ...................................... 19

Figure 4.

Power-up/down sequence ........................................................... 20

Figure 5.

Clock tree ...................................................................... 27

Figure 6.

UFQFPN32 pinout ................................................................ 53

Figure 7.

LQFP48_SMPS pinout ............................................................. 53

Figure 8.

LQFP48 pinout ................................................................... 54

Figure 9.

UFQFPN48_SMPS pinout ........................................................... 54

Figure 10.

UFQFPN48 pinout ................................................................ 55

Figure 11.

WLCSP52_SMPS ballout............................................................ 55

Figure 12.

LQFP64_SMPS pinout ............................................................. 56

Figure 13.

LQFP64 pinout ................................................................... 56

Figure 14.

UFBGA64_SMPS ballout ............................................................ 57

Figure 15.

UFBGA64 ballout ................................................................. 58

Figure 16.

WLCSP68-Q_SMPS ballout .......................................................... 59

Figure 17.

WLCSP68-G_SMPS ballout .......................................................... 60

Figure 18.

LQFP100_SMPS pinout............................................................. 61

Figure 19.

LQFP100 pinout .................................................................. 62

Figure 20.

UFBGA100_SMPS ballout ........................................................... 63

Figure 21.

UFBGA100 ballout ................................................................ 64

Figure 22.

Pin loading conditions .............................................................. 85

Figure 23.

Pin input voltage .................................................................. 85

Figure 24.

STM32U375xx power supply scheme (without SMPS) ........................................ 86

Figure 25.

STM32U375xx power supply scheme (with SMPS) .......................................... 87

Figure 26.

Current consumption measurement..................................................... 88

Figure 27.

VREFINT versus temperature .......................................................... 94

Figure 28.

AC timing diagram for high-speed external clock source (digital mode) ........................... 125

Figure 29.

AC timing diagram for high-speed external clock source (analog mode) ........................... 125

Figure 30.

AC timing diagram for low-speed external square clock source ................................. 126

Figure 31.

AC timing diagram for low-speed external sinusoidal clock source............................... 126

Figure 32.

Typical application with a 8 MHz crystal ................................................. 127

Figure 33.

Typical application with a 32.768 kHz crystal ............................................. 128

Figure 34.

HSI16 frequency versus temperature and VDD ............................................ 129

Figure 35.

HSI48 frequency versus temperature................................................... 134

Figure 36.

I/O input characteristics (all I/Os except BOOT0)........................................... 140

Figure 37.

Output AC characteristics definition .................................................... 145

Figure 38.

Recommended NRST pin protection ................................................... 145

Figure 39.

ADC accuracy characteristics ........................................................ 150

Figure 40.

Typical connection diagram when using the ADC with FT/TT pins featuring analog switch function ........ 150

Figure 41.

12-bit buffered/non-buffered DAC ..................................................... 153

Figure 42.

VREFBUF_OUT versus temperature (VRS = 000)............................................ 156

Figure 43.

VREFBUF_OUT versus temperature (VRS = 001)............................................ 156

Figure 44.

VREFBUF_OUT versus temperature (VRS = 010)............................................ 157

Figure 45.

VREFBUF_OUT versus temperature (VRS = 011) ............................................ 157

Figure 46.

OPAMP voltage noise density, normal mode, RLOAD = 3.9 kΩ.................................. 161

Figure 47.

OPAMP voltage noise density, low-power mode, RLOAD = 20 kΩ................................ 161

Figure 48.

ADF timing diagram .............................................................. 162

Figure 49.

OCTOSPI timing diagram - SDR mode ................................................. 166

Figure 50.

OCTOSPI timing diagram - DDR mode ................................................. 166

Figure 51.

OCTOSPI HyperBus clock .......................................................... 167

Figure 52.

OCTOSPI HyperBus read .......................................................... 167

STM32U375xx

List of figures

DS14861 - Rev 2

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