STMicroelectronics /STM32H742x /SPI1 /CR1

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Interpret as CR1

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (SPE)SPE 0 (MASRX)MASRX 0 (CSTART)CSTART 0 (CSUSP)CSUSP 0 (HDDIR)HDDIR 0 (SSI)SSI 0 (CRC33_17)CRC33_17 0 (RCRCI)RCRCI 0 (TCRCI)TCRCI 0 (IOLOCK)IOLOCK

Description

control register 1

Fields

SPE

Serial Peripheral Enable

MASRX

Master automatic SUSP in Receive mode

CSTART

Master transfer start

CSUSP

Master SUSPend request

HDDIR

Rx/Tx direction at Half-duplex mode

SSI

Internal SS signal input level

CRC33_17

32-bit CRC polynomial configuration

RCRCI

CRC calculation initialization pattern control for receiver

TCRCI

CRC calculation initialization pattern control for transmitter

IOLOCK

Locking the AF configuration of associated IOs

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