L99ASC03 datasheet(65/73 Pages) STMICROELECTRONICS

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L99ASC03

ST-SPI Protocol

4.4.14

Device Status Registers 5

Address:

0x15

Type:

R/C

4.4.15

Device Status Registers 6

Address:

0x16

Type:

R/C

—

VSOV

VSOVW

VSUV

—

VSREGOV

VSREGOVW

VSREGUV

GSB reported

—

Clear mode

—

Read & Clear

—

Read & Clear

Bit Bit description

[7] Reserved

[6] VSOV: VS overvoltage detected

[5] VSOVW: VS overvoltage warning detected

[4] VSUV: VS undervoltage detected

[3] Reserved

[2] VSREGOV: VSREG overvoltage detected

[1] VSREGOVW: VSREG overvoltage warning detected

[0] VSREGUV: VSREG undervoltage detected

ST(3)

ST(2)

ST(1)

CSAOC

SPI_FL

VSMSOV

VSMSOVW

VSMSUV

GSB reported

GW/FE(1)

Depending on OCSHUTD bit

If OCSHUTD = 0, then GW

If OCSHUTD = 1, then FE

Clear mode

Read & Clear

Bit Bit description

[7] ST(3): HS3 and LS3 driven active at the same time (forbidden state / shoot-through detection)

[6] ST(2): HS2 and LS2 driven active at the same time (forbidden state / shoot-through detection)

[5] ST(1): HS1 and LS1 driven active at the same time (forbidden state / shoot-through detection)

[4] CSAOC: CSA overcurrent event detected

[3] SPI_FL: CS timeout or wrong number of SCLK cycles (other than 0 or 16) detected

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