STM32MP153F datasheet(50/254 Pages) STMICROELECTRONICS

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Functional overview

STM32MP153C/F

50/254

DS12503 Rev 3

All USART have a clock domain independent from the CPU clock, allowing the USARTx to

wake up the STM32MP153C/F from Stop mode using baudrates up to 200 Kbaud.The wake

up events from Stop mode are programmable and can be:

•

Start bit detection

•

Any received data frame

•

A specific programmed data frame

All USART interfaces can be served by the DMA controller.

USART1 can be defined (in ETZPC) as accessible by secure software only.

3.39

Serial peripheral interface (SPI1, SPI2, SPI3, SPI4, SPI5,

SPI6)– inter- integrated sound interfaces (I2S1, I2S2, I2S3)

The devices feature up to six SPIs (SPI2S1, SPI2S2, SPI2S3, SPI4, SPI5 and SPI6) that

allow communication at up to 50 Mbit/s in master and slave modes, in half-duplex, full-

duplex and simplex modes. The 3-bit prescaler gives 8 master mode frequencies and the

frame is configurable from 4 to 16 bits. All SPI interfaces support NSS pulse mode, TI mode,

hardware CRC calculation and 8x 8-bit embedded Rx and Tx FIFOs with DMA capability.

Three standard I2S interfaces (I2S1, I2S2, I2S3, multiplexed with SPI1, SPI2 and SPI3) are

available. They can be operated in master or slave mode, in full-duplex and half-duplex

communication modes, and can be configured to operate with a 16-/32-bit resolution as an

input or output channel. Audio sampling frequencies from 8 kHz up to 192 kHz are

supported. When either or both of the I2S interfaces is/are configured in master mode, the

master clock can be output to the external DAC/CODEC at 256 times the sampling

Table 5. USART features

USART modes/features(1)

1. X = supported.

USART1/2/3/6

UART4/5/7/8

Hardware flow control for modem

Continuous communication using DMA

Multiprocessor communication

Synchronous mode (master/slave)

Smartcard mode

Single-wire half-duplex communication

IrDA SIR ENDEC block

LIN mode

Dual clock domain and wakeup from low power mode

Receiver timeout interrupt

Modbus communication

Auto baud rate detection

Driver Enable

USART data length

7, 8 and 9 bits

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