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7. AUXILIARY FUNCTION
7.13.5 Log function interface
(1) Command/status bit
System command/status bits related to log function are shown below.
System command System status
Address Bit Abbreviation Signal name Address Bit Abbreviation Signal name
03EA 0 LOGC Log command 045A 0 LOGO
Log operation being
performed
1 LOGR Reading of log data command 1 LOGRF Reading of log data complete
2
Reserved 2 LOGRE Reading of log data error
3 LOGI
Log data initialization
command
3 LOGIF
Log data initialization is
complete
4
4 LOGIE Log data initialization error
5
Reserved
5
6 6 Reserved
7 7
(a) Details concerning system command bits
Abbreviation Signal name Function details
LOGC Log command [Function]
Starts/stops recording of log data.
[Operation]
When the log command signal (LOGC) is turned on, recording of log data is started,
and log operation being performed signal (LOGO) is turned on. The log operation
being performed signal (LOGO) is turned off when the log command signal (LOGC) is
turned off.
LOGR Reading of log data
command
[Function]
Reads the log data stored in the log data buffer area to the log data table on the dual
port memory.
[Operation]
When the reading of log data command signal (LOGR) is turned on, the log data for
the page number set as the read log data page number is read into the log data table.
When reading of log data is complete, the reading of log data complete signal
(LOGRF) is turned on or a reading of log data error signal (SMPRE) is turned on.
LOGI Log data initialization
command
[Function]
Initialization of the log data stored in the log data buffer area.
[Operation]
When the log data initialization command signal (LOGI) is turned on, the log data is
initialized and the number of valid log data events and time stamp are 0 cleared.