STM32G081EB datasheet(11/136 Pages) STMICROELECTRONICS

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DS12231 Rev 4

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STM32G081xB

Description

The STM32G081xB mainstream microcontrollers are based on high-performance

Arm® Cortex®-M0+ 32-bit RISC core operating at up to 64 MHz frequency. Offering a high

level of integration, they are suitable for a wide range of applications in consumer, industrial

and appliance domains and ready for the Internet of Things (IoT) solutions.

The devices incorporate a memory protection unit (MPU), high-speed embedded memories

(36 Kbytes of SRAM and 128 Kbytes of Flash program memory with read protection, write

protection, proprietary code protection, and securable area), DMA, an extensive range of

system functions, enhanced I/Os, and peripherals. The devices offer standard

communication interfaces (two I2Cs, two SPIs / one I2S, one HDMI CEC, and four USARTs),

one 12-bit ADC (2.5 MSps) with up to 19 channels, one 12-bit DAC with two channels, two

fast comparators, an internal voltage reference buffer, a low-power RTC, an advanced

control PWM timer running at up to double the CPU frequency, five general-purpose 16-bit

timers with one running at up to double the CPU frequency, a 32-bit general-purpose timer,

two basic timers, two low-power 16-bit timers, two watchdog timers, and a SysTick timer.

The devices provide a fully integrated USB Type-C Power Delivery controller.

The devices embed AES hardware accelerator and true random number generator (RNG).

The devices operate within ambient temperatures from -40 to 125°C and with supply

voltages from 1.7 V to 3.6 V. Optimized dynamic consumption combined with a

comprehensive set of power-saving modes, low-power timers and low-power UART, allows

the design of low-power applications.

VBAT direct battery input allows keeping RTC and backup registers powered.

The devices come in packages with 28 to 64 pins.

Table 2. STM32G081xB family device features and peripheral counts

Peripheral

STM32G081_

_EB

_GB

xxN

_KB

xxN

_CB

_RB

Flash memory (Kbyte)

128

SRAM (Kbyte)

32 (with parity) or 36 (without parity)

Advanced control

1 (16-bit) high frequency

General-purpose

4 (16-bit) + 1 (16-bit) high frequency + 1 (32-bit)

Basic

2 (16-bit)

Low-power

2 (16-bit)

SysTick

Watchdog

SPI [I2S](1)

2 [1]

I2C2

USART

LPUART

UCPD

(2)

CEC

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