
20
EPSON
S1C8F626 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)
Table 5.1.1(h) I/O Memory map (00FF3BH–00FF40H)
SR R/W
Address Bit
Name
Function
Comment
10
D7
D6
D5
D4
D3
D2
D1
D0
RDR37
RDR36
RDR35
RDR34
RDR33
RDR32
RDR31
RDR30
PTM3 reload data D7 (MSB)
PTM3 reload data D6
PTM3 reload data D5
PTM3 reload data D4
PTM3 reload data D3
PTM3 reload data D2
PTM3 reload data D1
PTM3 reload data D0 (LSB)
1
R/W
High
Low
00FF3B
D7
D6
D5
D4
D3
D2
D1
D0
CDR37
CDR36
CDR35
CDR34
CDR33
CDR32
CDR31
CDR30
PTM3 compare data D7 (MSB)
PTM3 compare data D6
PTM3 compare data D5
PTM3 compare data D4
PTM3 compare data D3
PTM3 compare data D2
PTM3 compare data D1
PTM3 compare data D0 (LSB)
0
R/W
High
Low
00FF3D
D7
D6
D5
D4
D3
D2
D1
D0
CDR27
CDR26
CDR25
CDR24
CDR23
CDR22
CDR21
CDR20
PTM2 compare data D7 (MSB)
PTM2 compare data D6
PTM2 compare data D5
PTM2 compare data D4
PTM2 compare data D3
PTM2 compare data D2
PTM2 compare data D1
PTM2 compare data D0 (LSB)
0
R/W
High
Low
00FF3C
D7
D6
D5
D4
D3
D2
D1
D0
PTM27
PTM26
PTM25
PTM24
PTM23
PTM22
PTM21
PTM20
PTM2 data D7 (MSB)
PTM2 data D6
PTM2 data D5
PTM2 data D4
PTM2 data D3
PTM2 data D2
PTM2 data D1
PTM2 data D0 (LSB)
1R
High
Low
D7
D6
D5
D4
D3
D2
D1
D0
PTM37
PTM36
PTM35
PTM34
PTM33
PTM32
PTM31
PTM30
PTM3 data D7 (MSB)
PTM3 data D6
PTM3 data D5
PTM3 data D4
PTM3 data D3
PTM3 data D2
PTM3 data D1
PTM3 data D0 (LSB)
1R
High
Low
00FF3F
00FF3E
00FF40 D7
D6
D5
D4
D3
D2
D1
D0
WDEN
FOUT2
FOUT1
FOUT0
WDRST
TMRST
TMRUN
Watchdog timer enable
FOUT frequency selection
Constantly "0" when
being read
1
0
–
0
R/W
W
R/W
Enable
Disable
FOUT2
1
0
FOUT1
1
0
1
0
FOUT0
1
0
1
0
1
0
1
0
Frequency
fOSC3 / 8
fOSC3 / 4
fOSC3 / 2
fOSC3 / 1
fOSC1 / 8
fOSC1 / 4
fOSC1 / 2
fOSC1 / 1
FOUT output control
Watchdog timer reset
Clock timer reset
Clock timer Run/Stop control
On
Reset
Run
Off
No operation
Stop
FOUTON