STM32L4P5CE datasheet(62/311 Pages) STMICROELECTRONICS

62 / 311 page

Functional overview

STM32L4P5xx

62/311

DS12903 Rev 2

The SDMMC features include the following:

•

Full compliance with MultiMediaCard System Specification Version 4.51. Card support

for three different databus modes: 1-bit (default), 4-bit and 8-bit

•

Full compatibility with previous versions of MultiMediaCards (backward compatibility)

•

Full compliance with SD Memory Card Specifications Version 4.1. (SDR104

SDMMC_CK speed limited to maximum allowed IO speed, SPI mode and UHS-II mode

not supported)

•

Full compliance with SDIO Card Specification Version 4.0: card support for two different

databus modes: 1-bit (default) and 4-bit. (SDR104 SDMMC_CK speed limited to

maximum allowed IO speed, SPI mode and UHS-II mode not supported)

•

Data transfer up to 104 Mbyte/s for the 8-bit mode (depending maximum allowed IO

speed)

•

Data and command output enable signals to control external bidirectional drivers.

3.41

Controller area network (CAN)

The CAN is compliant with the 2.0A and B (active) specifications with a bit rate of up to

1 Mbit/s. They can receive and transmit standard frames with 11-bit identifiers as well as

extended frames with 29-bit identifiers. The CAN has three transmit mailboxes, two receive

FIFOS with three stages and 28 shared scalable filter banks (all of them can be used even if

one CAN is used). 256 bytes of SRAM are allocated.

The CAN peripheral supports:

•

CAN protocol version 2.0 A, B Active

•

Bit rates of up to 1 Mbit/s

•

Transmission

–

Three transmit mailboxes

–

Configurable transmit priority

•

Reception

–

Two receive FIFOs with three stages

–

Scalable filter banks: 28 filter banks

–

Identifier list feature

–

Configurable FIFO overrun

•

Time-triggered communication option

–

Disable automatic retransmission mode

–

16-bit free running timer

–

Time Stamp sent in last two data bytes

•

Management

–

Maskable interrupts

–

Software-efficient mailbox mapping at a unique address space

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