ML22Q573 datasheet(48/69 Pages) ETC2

48 / 69 page

FEDL22Q553-02

ML22Q553

If the ERR bit is set to “1”, the following status will be read

Output bit

OutPut

data

SPMERR

SPPERR

TSDERR

BLDERR

WCMERR

When the ERR bit=”1”, the state of five fail-safe Function is read.

If any of fail-safe function is activated,the ERR pin is set to a “H” level and the corresponding

error bit is set to “1”. If the ERR pins set to a “H” level,

check the error contents using the RDSTAT command and take appropriate measures.

ERR bit is cleared by ERCL command

Error signal

Error contents

SPMERR

SPM pin short error bit.

This bit is set to “1” if the SPM pin is short to SPP pin or GND

SPPERR

SPP pin short error bit

This bit is set to “1” if the SPP pin is short to SPM pin or GND

TSDERR

High temperature error bit.

This bit is set to “1” if the temperature of the LSI reaches or exceeds the temperature set by the

SAFE command. For details see the section on the SAFE command.

BLDERR

Power supply voltage error bit.

This bit is set to “1” if the power supply voltage level reaches or falls below the voltage set by

the SAFE command. For details see the section on the SAFE command.

WCMERR

Command tansfer errro bit.

This bit is set to “1” if a transfer error occurs in two-time command input mode.

If the ERR bit is set to “1”, the following status will be read

Output bit

OutPut

data

SPMERR

SPPERR

TSDERR

BLDERR

WCMERR

When the ERR bit=”1”, the state of five fail-safe functions is read. If any of fail-safe function is activated,

the ERR pin is set to a “H” level and the corresponding error bit is set to “1”. If the ERR pins set to a “H”

level, check the error contents using the RDSTAT command and take appropriate measures. ERR bit is

cleared by ERCL command

Error signal

Error contents

SPMERR

SPM pin short error bit.

This bit is set to “1” if the SPM pin is short to SPP pin or GND

SPPERR

SPP pin short error bit

This bit is set to “1” if the SPP pin is short to SPM pin or GND

TSDERR

High temperature error bit.

This bit is set to “1” if the temperature of the LSI reaches or exceeds the temperature set by the

SAFE command. For details see the section on the SAFE command.

BLDERR

Power supply voltage error bit.

This bit is set to “1” if the power supply voltage level reaches or falls below the voltage set by

the SAFE command. For details see the section on the SAFE command.

WCMERR

Command tansfer errro bit.

This bit is set to “1” if a transfer error occurs in two-time command input mode.

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