APPENDIX A I/O REGISTER LIST
0x4020
Register name Address
Bit
Prescaler Con-
0x4020
D7–2 –
trol Register
(8 bits)
D1
(PSC_CTL)
D0
308
Name
Function
reserved
PRUND
Prescaler run/stop in debug mode 1 Run
PRUN
Prescaler run/stop control
Setting
–
0 Stop
1 Run
0 Stop
EPSON
Prescaler
Init. R/W
Remarks
–
–
0 when being read.
0
R/W
0
R/W
S1C17001 TECHNICAL MANUAL