EM78P257
OTP ROM
Table 7 The Values of RST, T, and P after RESET
Reset Type
RST
T
P
Power on
0
0
0
0
0
1
1
*P
1
1
*P
0
/RESET during Operating mode
/RESET wake-up during SLEEP mode
WDT during Operating mode
0
1
WDT wake-up during SLEEP mode
Wake-Up on pin change during SLEEP mode
0
0
1
0
*P: Previous status before reset
Table 8 The Status of RST, T, and P being Affected by Events
Event
RST
T
P
Power on
0
*P
0
1
1
0
1
1
1
1
WDTC instruction
WDT time-out
SLEP instruction
*P
0
*P
1
Wake-Up on pin change during SLEEP mode
0
*P: Previous value before reset
This specification is subject to change without prior notice.
39
07.27.2004 (V1.4)