L99DZ320 datasheet(130/146 Pages) STMICROELECTRONICS

130 / 146 page

Bit

Name

Description

SPI_SCK_CNT

SPI clock counter

‘1’ indicates an SPI frame with wrong number of CLK cycles was detected

Bit is latched until a “Read & Clear” command

CP_LOW

Charge pump voltage low

‘1’ indicates that the charge pump voltage is too low

Bit is latched until a “Read & Clear” command

Thermal warning

‘1’ indicates the temperature has reached the thermal warning threshold

Bit is latched until a “Read & Clear” command

V2SC

V2 short-circuit detection

‘1’ indicates a short-circuit to GND condition of V2 at turn on of the regulator (V2 < V2fail for t > tv2short)

Bit is latched until a “Read & Clear” command

V2FAIL

V2 failure detection

‘1’ indicates a V2 fail event occurred since last readout (V2 < V2fail for t > tv2fail)

Bit is latched until a “Read & Clear” command

V1FAIL

V1 failure detection

‘1’ indicates a V1 fail event occurred since last readout (V1 < V1fail for t > tv1fail)

Bit is latched until a “Read & Clear” command

RESERVED

VSREG_OV

Vsreg overvoltage

‘1’ indicates the voltage at Vsreg has reached the overvoltage threshold

Bit is latched until a “Read & Clear” command

VSREG_UV

Vsreg under voltage

‘1’ indicates the voltage at Vsreg has reached the undervoltage threshold

Bit is latched until a “Read & Clear” command

VS_OV

Vs overvoltage

‘1’ indicates the voltage at Vs has reached the overvoltage threshold

Bit is latched until a “Read & Clear” command

VS_UV

Vs under voltage

‘1’ indicates the voltage at Vs has reached the undervoltage threshold

Bit is latched until a “Read & Clear” command

6.5.8

Status register 8 (0x08)

Table 120. Status register 8

Bit

name

Access

R&C

L99DZ320

SPI Registers

DS14235 - Rev 5

page 130/146

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