| CMSIS-Driver Peripheral Interface for Middleware and Application Code |

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Macros
SPI Slave Select Signal definitions
SPI Interface

Specifies SPI Slave Select Signal definitions. More...

## Macros
#define | ARM_SPI_SS_INACTIVE 0UL
| SPI Slave Select Signal Inactive.
#define | ARM_SPI_SS_ACTIVE 1UL
| SPI Slave Select Signal Active.

## Description

Specifies SPI Slave Select Signal definitions.

## Macro Definition Documentation

## ◆ ARM_SPI_SS_INACTIVE

#define ARM_SPI_SS_INACTIVE 0UL

SPI Slave Select Signal Inactive.

See also
  ARM_SPI_Control

## ◆ ARM_SPI_SS_ACTIVE

#define ARM_SPI_SS_ACTIVE 1UL

SPI Slave Select Signal Active.

See also
  ARM_SPI_Control