Samsung S3C9454B User Manual page 63

CONTROL REGISTERS
STOPCON
— STOP Mode Control Register
Bit Identifier
RESET Value
Read/Write
.7–.0
NOTE: When STOPCON register is not #0A5H value, if you use STOP instruction, PC is changed to reset address.
SYM
— System Mode Register
Bit Identifier
RESET Value
Read/Write
.7–.3
.3
.2–.0
4-16
.7 .6
0 0
R/W R/W
Watchdog Timer Function Enable Bit
10100101 Enable STOP instruction
Other value Disable STOP instruction
.7 .6
– –
– –
Not used for S3C9454B/F9454B
Global Interrupt Enable Bit
0 Disable all interrupts
1 Enable all interrupt
Page Select Bits
0 0 0 Page 0
0 0 1 Page 1 (Not used for S3C9454B/F9454B)
0 1 0 Page 2 (Not used for S3C9454B/F9454B)
0 1 1 Page 3 (Not used for S3C9454B/F9454B)
.5 .4
0 0
R/W R/W R/W
.5 .4
– –
– – R/W
S3C9454B/F9454B
.3 .2 .1
0 0 0
R/W R/W
.3 .2 .1
0 0 0
R/W R/W
E4H
.0
0
R/W
DFH
.0
0
R/W