UM0563 datasheet(23/46 Pages) STMICROELECTRONICS

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UM0563

L9952GXP software driver functions

23/46

Table 17.

L9952drv_SetVsLockoutMode

Service name

L9952drv_SetVsLockoutMode

Syntax

Void L9952drv_SetVsLockoutMode

(

L9952drv_VsLockoutModeType mode

)

Service ID

Sync/async

Asynchronous

Reentrancy

Non reentrant

Parameters (in)

Parameter mode selects the behavior of the L9952GXP after Vs (power supply

voltage) recovery

Return value

None

Description

This function enables automatic recovery of outputs after Vs over/under voltage

recovery of the L9952GXP.

The register affected is the CR2.4(1)(2)

1. This function updates the software driver’s internal copy of control register 2 and sends it immediately to

the L9952GXP via the SPI.

2. This function refreshes the software driver’s internal copy of status 0 register from the L9952GXP via the

SPI.

Caveats

This function waits until the data are completely transferred to the L9952GXP

via the SPI.

Configuration

None

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