STM32H562II datasheet(56/270 Pages) STMICROELECTRONICS

56 / 270 page

Functional overview

STM32H562xx and STM32H563xx

56/270

DS14258 Rev 5

•

Multiprocessor communications: wake-up from Mute mode by idle line detection or

address mark detection

•

Wake-up from Stop capability

3.38

Serial peripheral interface (SPI) / inter-integrated sound

interfaces (I2S)

The devices embed six serial peripheral interfaces (SPI) that can be used to communicate

with external devices while using the specific synchronous protocol. The SPI protocol

supports half-duplex, full-duplex and simplex synchronous, serial communication with

external devices.

The interface can be configured as master or slave, and can operate in multi-slave or multi-

master configurations. The device configured as master provides communication clock

(SCK) to the slave device. The slave select (SS) and ready (RDY) signals can be applied

optionally just to set up communication with concrete slave and to assure it handles the data

flow properly. The Motorola data format is used by default, but some other specific modes

are supported as well.

The SPI main features are:

•

Full-duplex synchronous transfers on three lines

•

Half-duplex synchronous transfer on two lines (with bidirectional data line)

•

Simplex synchronous transfers on two lines (with unidirectional data line)

•

4-bit to 32-bit data size selection or fixed to 8-bit and 16-bit only

•

Multi master or multi slave mode capability

•

Dual-clock domain, separated clock for the peripheral kernel that can be independent

of PCLK

•

Baud rate prescaler up to kernel frequency divided by 2 or bypass from RCC in Master

mode

•

Protection of configuration and setting

•

Hardware or software management of SS for both master and slave

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Adjustable minimum delays between data and between SS and data flow

•

Configurable SS signal polarity and timing, MISO x MOSI swap capability

•

Programmable clock polarity and phase

•

Programmable data order with MSB-first or LSB-first shifting

•

Programmable number of data within a transaction to control SS and CRC

•

Dedicated transmission and reception flags with interrupt capability

•

SPI Motorola and TI formats support

•

Hardware CRC feature can secure communication at the end of transaction by:

–

Adding CRC value in Tx mode

–

Automatic CRC error checking for Rx mode

•

Error detection with interrupt capability in case of data overrun, CRC error, data

underrun at slave, mode fault at master

•

Two 16x or 8x 8-bit embedded Rx and TxFIFOs with DMA capability

•

Programmable number of data in transaction

•

Configurable FIFO thresholds (data packing)

STM32H562II Datasheet(PDF) 56 Page - STMicroelectronics

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