STM32U073RCT6 datasheet(4/146 Pages) STMICROELECTRONICS

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Description

The STM32U073x8/B/C devices are ultra-low-power microcontrollers based on the high-performance Arm®

Cortex®-M0+ 32-bit RISC core operating at a frequency of up to 56 MHz.

The STM32U073x8/B/C devices embed high-speed memories (up to 256-Kbyte flash memory and 40-Kbyte

SRAM with hardware parity check), and an extensive range of enhanced I/Os and peripherals connected to APB

and AHB buses, and a 32-bit multi-AHB bus matrix.

They also embed protection mechanisms for embedded flash memory and SRAM, such as readout protection and

write protection.

The STM32U073x8/B/C devices offer a 12-bit ADC, a 12-bit DAC, two embedded rail-to-rail analog comparators,

one operational amplifier, a low-power RTC, one general-purpose 32-bit timer, one 16-bit PWM timer dedicated to

motor control, three general-purpose 16-bit timers, and three 16-bit low-power timers

The devices also embed up to 21 capacitive sensing channels, plus an integrated LCD controller that enables to

drive 8x48 or 4x52 segments with internal step-up converter.

They also feature standard and advanced communication interfaces, namely four I2Cs, three SPIs, four USARTs

and three low-power UARTs, plus one crystal-less USB full-speed device.

The STM32U073x8/B/C operate in the -40 to +85 °C (+105 °C junction) and -40 to +125 °C (+130 °C junction)

temperature ranges from a 1.71 to 3.6 V VDD power supply using an internal LDO regulator. A comprehensive set

of power-saving modes makes possible the design of low-power applications.

Independent power supplies are supported: analog independent supply input for ADC, DAC, OPAMP and

comparator, as well as VBAT input allowing the backup of the RTC and backup registers.

The STM32U073x8/B/C offer eight packages from 32 to 81 pins.

Refer to the table below for the list of peripherals available on each part number.

Table 1. Device features and peripheral counts

Peripherals

STM32U073Mx

STM32U073Rx

STM32U073Cx

STM32U073Hx STM32U073Kx

Flash memory (Kbytes)

64/128/256

SRAM (Kbytes)

Timers

Advanced

control

1 (16 bits)

General

purpose

3 (16 bits)

1 (32 bits)

Basic

2 (16 bits)

Low power

3 (16 bits)

SysTick

Watchdog

timers

(independent,

window)

Communication

interfaces

SPI

I2C

USART

LPUART

USB

Yes

RTC

Yes

Tamper pins

LCD

COM x SEG

Yes

8x48 or 4x52

Yes

8x33 or 4x37

Yes

4x24

Yes

3x19

Yes

3x17

TRNG

Yes

STM32U073x8/B/C

Description

DS14548 - Rev 2

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