FEDL22594-06
ML22594-XXX
52/73
If the ERR bit is set to “1”, the following status will be read
Output bit
D7
D6
D5
D4
D3
D2
D1
D0
OutPut
data
0
0
EXR
ERR
SPM
ERR
SPP
ERR
TSD
ERR
BLD
ERR
WCM
ERR
When the ERR bit=”1”, the state of six 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
EXRERR
External ROM read err bit.
This bit is set to “1” if the voice control area data of External ROM is “00h”.
It becomes an error when it accesses the External ROM under the condition that the External
ROM isn't connected.
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.