STM32G0 datasheet(34/135 Pages) STMICROELECTRONICS

34 / 135 page

Functional overview

STM32G071x8/xB

34/135

DS12232 Rev 4

having an extremely low energy consumption. Higher speed clock can be used to reach

higher baudrates.

The LPUART interface can be served by the DMA controller.

3.23

Serial peripheral interface (SPI)

The device contains two SPIs running at up to 32 Mbits/s in master and slave modes. It

supports half-duplex, full-duplex and simplex communications. A 3-bit prescaler gives eight

master mode frequencies. The frame size is configurable from 4 bits to 16 bits. The SPI

peripherals support NSS pulse mode, TI mode and hardware CRC calculation.

The SPI peripherals can be served by the DMA controller.

The I2S interface mode of the SPI peripheral (if supported, see the following table) supports

four different audio standards can operate as master or slave, in half-duplex communication

mode. It can be configured to transfer 16 and 24 or 32 bits with 16-bit or 32-bit data

resolution and synchronized by a specific signal. Audio sampling frequency from 8 kHz up to

192 kHz can be set by an 8-bit programmable linear prescaler. When operating in master

mode, it can output a clock for an external audio component at 256 times the sampling

frequency.

3.24

USB Type-C™ Power Delivery controller

The device embeds two controllers (UCPD1 and UCPD2) compliant with USB Type-C Rev.

1.2 and USB Power Delivery Rev. 3.0 specifications.

The controllers use specific I/Os supporting the USB Type-C and USB Power Delivery

requirements, featuring:

•

USB Type-C pull-up (Rp, all values) and pull-down (Rd) resistors

•

“Dead battery” support

•

USB Power Delivery message transmission and reception

•

FRS (fast role swap) support

Table 10. SPI/I2S implementation

SPI features(1)

1. X = supported.

SPI1

SPI2

Hardware CRC calculation

Rx/Tx FIFO

NSS pulse mode

I2S mode

TI mode

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