STM32G431C6 datasheet(42/198 Pages) STMICROELECTRONICS

42 / 198 page

Functional overview

STM32G431x6 STM32G431x8 STM32G431xB

42/198

DS12589 Rev 6

3.33

Controller area network (FDCAN1)

The controller area network (CAN) subsystem consists of one CAN module and message

RAM memory.

The CAN module (FDCAN) is compliant with ISO 11898-1 (CAN protocol specification

version 2.0 part A, B) and CAN FD protocol specification version 1.0.

A 1-Kbyte message RAM memory implements filters, receive FIFOs, receive buffers,

transmit event FIFOs, transmit buffers.

3.34

Universal serial bus (USB)

The STM32G431x6/x8/xB devices embed a full-speed USB device peripheral compliant

with the USB specification version 2.0. The internal USB PHY supports USB FS signaling,

embedded DP pull-up and also battery charging detection according to Battery Charging

Specification Revision 1.2. The USB interface implements a full-speed (12 Mbit/s) function

interface with added support for USB 2.0 Link Power Management. It has software-

configurable endpoint setting with packet memory up-to 1 Kbyte and suspend/resume

support. It requires a precise 48 MHz clock which can be generated from the internal main

PLL (the clock source must use a HSE crystal oscillator) or by the internal 48 MHz oscillator

in automatic trimming mode. The synchronization for this oscillator can be taken from the

USB data stream itself (SOF signalization) which allows crystal less operation.

3.35

USB Type-C™ / USB Power Delivery controller (UCPD)

The device embeds one controller (UCPD) compliant with USB Type-C Rev. 1.2 and USB

Power Delivery Rev. 3.0 specifications.

The controller uses 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

Data size configurable: 8-, 10-, 16-, 20-, 24-, 32-bit

FIFO size

X (8 word)

SPDIF

1. X: supported.

Table 10. SAI features implementation (continued)

SAI features

Support(1)

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