STM32F070C6 datasheet(22/83 Pages) STMICROELECTRONICS

22 / 83 page

Functional overview

STM32F070CB/RB/C6/F6

22/83

DocID027114 Rev 3

Table 7 gives an overview of features as implemented on the available USART interfaces.

All USART interfaces can be served by the DMA controller.

3.15

Serial peripheral interface (SPI)

Up to two SPIs are able to communicate up to 18 Mbit/s in slave and master modes in full-

duplex and half-duplex communication modes. The 3-bit prescaler gives 8 master mode

frequencies and the frame size is configurable from 4 bits to 16 bits.

SPI1 and SPI2 are identical and implement the set of features shown in the following table.

Table 7. STM32F70x0 USART implementation(1)

1. X = supported.

USART modes/

features

STM32F070x6

STM32F070xB

USART1

USART2

USART1

USART2

USART3

USART4

Hardware flow control for modem

XXXXX

Continuous communication using

DMA

XXXX

Multiprocessor communication

XXXXX

Synchronous mode

XXXXX

Smartcard mode

-----

Single-wire Half-duplex

communication

XXXXX

IrDA SIR ENDEC block

-----

LIN mode

-----

Dual clock domain and wakeup

from Stop mode

-----

Receiver timeout interrupt

X-X-

Modbus communication

-----

Auto baud rate detection

(supported modes)

4-4-

Driver Enable

XXXXX

USART data length

7, 8 and 9 bits

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