STM32U595AI datasheet(92/377 Pages) STMICROELECTRONICS

92 / 377 page

Functional overview

STM32U59xxx

92/377

DS13633 Rev 1

3.51

Controller area network (FDCAN)

The controller area network (CAN) subsystem consists of one CAN module, a shared

message RAM memory and a configuration block.

The modules (FDCAN) are compliant with ISO 11898-1: 2015 (CAN protocol specification

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

A 0.8-Kbyte message RAM implements filters, receives FIFOs, transmits event FIFOs and

transmits FIFOs.

The FDCAN main features are:

•

Conform with CAN protocol version 2.0 part A, B and ISO 11898-1: 2015, -4

•

CAN FD with maximum 64 data bytes supported

•

CAN error logging

•

AUTOSAR and J1939 support

•

Improved acceptance filtering

•

2 receive FIFOs of three payloads each (up to 64 bytes per payload)

•

Separate signaling on reception of high priority messages

•

Configurable transmit FIFO / queue of three payload (up to 64 bytes per payload)

•

Configurable transmit Event FIFO

•

Programmable loop-back test mode

•

Maskable module interrupts

•

Two clock domains: APB bus interface and CAN core kernel clock

•

Power-down support

3.52

USB on-the-go high-speed (OTG_HS)

The devices embed an USB OTG high-speed device/host/OTG peripheral with integrated

transceivers. The OTG_HS peripheral is compliant with the USB 2.0 specification and with

the OTG 2.0 specification. It has software-configurable endpoint setting and supports

suspend/resume.

This interface requires a precise 60 MHz clock that is generated from the internal

USB PHY PLL (the clock source must use a HSE crystal oscillator).

The OTG_HS features are:

•

USB-IF certified to the Universal Serial Bus Specification Rev 2.0

•

On-chip high-speed PHY

•

Full support (PHY) for the optional OTG (on-the-go) protocol detailed in the OTG

Supplement Rev 2.0 specification

–

Integrated support for A-B device identification (ID line)

–

Supports OTG monitoring of VBUS levels with internal comparators

–

Supports dynamic host-peripheral switch of role

•

Software-configurable to operate as USB on-the-go high-speed dual role device

•

Supports HS/FS SOF and LS keep-alives with

–

SOF pulse PAD connectivity

–

SOF pulse internal connection to timer (TIMx)

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