STM32U073RCT6 datasheet(138/146 Pages) STMICROELECTRONICS

138 / 146 page

Contents

Introduction .......................................................................3

Description ........................................................................4

Functional overview ...............................................................7

3.1

Arm® Cortex®-M0+ core with MPU ................................................ 7

3.2

Adaptive real-time memory accelerator (ART Accelerator) ............................ 7

3.3

Memory protection unit .......................................................... 7

3.4

Memories ..................................................................... 8

3.4.1

Embedded flash memory .................................................. 8

3.4.2

Embedded SRAM ....................................................... 8

3.5

Boot modes................................................................... 9

3.6

Power supply management ...................................................... 9

3.6.1

Power supply schemes ................................................... 9

3.6.2

Power supply supervisor ................................................. 10

3.6.3

Voltage regulator ....................................................... 11

3.6.4

VBAT operation ......................................................... 11

3.7

Low-power modes ............................................................ 12

3.8

Peripheral interconnect matrix .................................................. 14

3.9

Reset and clock controller (RCC) ................................................ 15

3.9.1

Reset mode ........................................................... 15

3.9.2

Clocks and startup ...................................................... 15

3.10

Clock recovery system (CRS) ................................................... 16

3.11

General-purpose inputs/outputs (GPIOs) ......................................... 16

3.12

Direct memory access controller (DMA)........................................... 17

3.13

DMA request multiplexer (DMAMUX) ............................................. 17

3.14

Interrupts and events .......................................................... 17

3.14.1

Nested vectored interrupt controller (NVIC).................................... 17

3.14.2

Extended interrupt/event controller (EXTI) .................................... 18

3.15

Cyclic redundancy check calculation unit (CRC).................................... 18

3.16

Analog-to-digital converter (ADC) ................................................ 18

3.16.1

Temperature sensor ..................................................... 18

3.16.2

Internal voltage reference (VREFINT) ......................................... 19

3.16.3

VBAT battery voltage monitoring ............................................ 19

3.17

Digital-to-analog converter (DAC) ................................................ 19

3.18

Voltage reference buffer (VREFBUF) ............................................ 20

3.19

Comparators (COMP) ......................................................... 20

STM32U073x8/B/C

Contents

DS14548 - Rev 2

page 138/146

STM32U073RCT6 Datasheet(PDF) 138 Page - STMicroelectronics

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