STM32U073RCT6 datasheet(145/146 Pages) STMICROELECTRONICS

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List of figures

Figure 1.

Block diagram .................................................................... 6

Figure 2.

Power supply overview ............................................................. 10

Figure 3.

UFQFPN32 pinout ................................................................ 27

Figure 4.

WLCSP42 ballout ................................................................. 27

Figure 5.

LQFP48 pinout ................................................................... 28

Figure 6.

UFQFPN48 pinout ................................................................ 28

Figure 7.

LQFP64 pinout ................................................................... 29

Figure 8.

UFBGA64 ballout ................................................................. 29

Figure 9.

LQFP80 pinout ................................................................... 30

Figure 10.

UFBGA81 ballout ................................................................. 30

Figure 11.

Pin loading conditions .............................................................. 41

Figure 12.

Pin input voltage .................................................................. 41

Figure 13.

Power supply scheme .............................................................. 42

Figure 14.

Current consumption measurement scheme............................................... 43

Figure 15.

VREFINT versus temperature .......................................................... 47

Figure 16.

AC timing diagram for high-speed external clock source ...................................... 70

Figure 17.

AC timing diagram for low-speed external clock source ....................................... 71

Figure 18.

Typical application with an 8 MHz crystal ................................................. 72

Figure 19.

Typical application with a 32.768 kHz crystal .............................................. 73

Figure 20.

HSI16 frequency versus temperature.................................................... 74

Figure 21.

Typical current consumption versus MSI frequency .......................................... 77

Figure 22.

HSI48 frequency versus temperature.................................................... 78

Figure 23.

I/O input characteristics ............................................................. 84

Figure 24.

I/O AC characteristics definition ....................................................... 86

Figure 25.

Recommended NRST pin protection .................................................... 87

Figure 26.

ADC accuracy characteristics ......................................................... 93

Figure 27.

Typical connection diagram when using the ADC with FT/TT pins featuring analog switch function ......... 93

Figure 28.

12-bit buffered / non-buffered DAC ..................................................... 96

Figure 29.

USART timing diagram in SPI master mode .............................................. 105

Figure 30.

USART timing diagram in SPI slave mode ............................................... 106

Figure 31.

SPI timing diagram - slave mode and CPHA = 0 ........................................... 108

Figure 32.

SPI timing diagram - slave mode and CPHA = 1 ........................................... 108

Figure 33.

SPI timing diagram - master mode .................................................... 109

Figure 34.

UFQFPN32 - Outline ...............................................................111

Figure 35.

UFQFPN32 - Footprint example .......................................................113

Figure 36.

WLCSP42 - Outline................................................................114

Figure 37.

WLCSP42 - Footprint example ........................................................115

Figure 38.

WLCSP42 marking example..........................................................116

Figure 39.

LQFP48- Outline(15.) ...............................................................117

Figure 40.

LQFP48 - Footprint example .........................................................119

Figure 41.

UFQFPN48 - Outline .............................................................. 120

Figure 42.

UFQFPN48 - Footprint example ...................................................... 121

Figure 43.

LQFP64 - Outline(15.).............................................................. 122

Figure 44.

LQFP64 - Footprint example ........................................................ 124

Figure 45.

UFBGA64 - Outline(13.) ............................................................ 125

Figure 46.

UFBGA64 - Footprint example ....................................................... 127

Figure 47.

LQFP80 - Outline(15.).............................................................. 128

Figure 48.

LQFP80 - Footprint example ........................................................ 130

Figure 49.

UFBGA81 - Outline(13.) ............................................................ 131

Figure 50.

UFBGA81 - Footprint example ....................................................... 133

STM32U073x8/B/C

List of figures

DS14548 - Rev 2

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STM32U073RCT6 Datasheet(PDF) 145 Page - STMicroelectronics

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