Epson S1C88650 - Manual (Page 39)

S1C88650 TECHNICAL MANUAL EPSON 31
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)
Table 5.1.1(n) I/O Memory map (00FFB0H–00FFB5H)
SR R/W Address Bit Name Function Comment 1 0
D7
D6
D5
D4
D3
D2
D1
D0
00FFB0 MODE16_C
PTNREN_C
–
–
–
PTRUN4
PSET4
CKSEL4
"0" when being read
Reserved register
"0" when being read
0
0
–
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
W
R/W
PTM4–5 8/16-bit mode selection
External clock 2 noise rejecter selection
–
R/W register
R/W register
PTM4 Run/Stop control
PTM4 preset
PTM4 input clock selection
16 - bit x 1
Enable
–
1
1
Run
Preset
External clock
8 - bit x 2
Disable
–
0
0
Stop
No operation
Internal clock
00FFB1 D7
D6
D5
D4
D3
D2
D1
D0
–
–
–
–
–
PTRUN5
PSET5
CKSEL5
–
–
–
R/W register
R/W register
PTM5 Run/Stop control
PTM5 preset
PTM5 input clock selection
Constantly "0" when
being read
Reserved register
"0" when being read
–
–
–
0
0
0
0
0
R/W
R/W
R/W
W
R/W
–
–
–
0
0
Stop
No operation
Internal clock
–
–
–
1
1
Run
Preset
External clock
D7
D6
D5
D4
D3
D2
D1
D0
RDR47
RDR46
RDR45
RDR44
RDR43
RDR42
RDR41
RDR40
PTM4 reload data D7 (MSB)
PTM4 reload data D6
PTM4 reload data D5
PTM4 reload data D4
PTM4 reload data D3
PTM4 reload data D2
PTM4 reload data D1
PTM4 reload data D0 (LSB)
1 R/W High Low
00FFB2
D7
D6
D5
D4
D3
D2
D1
D0
RDR57
RDR56
RDR55
RDR54
RDR53
RDR52
RDR51
RDR50
PTM5 reload data D7 (MSB)
PTM5 reload data D6
PTM5 reload data D5
PTM5 reload data D4
PTM5 reload data D3
PTM5 reload data D2
PTM5 reload data D1
PTM5 reload data D0 (LSB)
1 R/W High Low
00FFB3
D7
D6
D5
D4
D3
D2
D1
D0
CDR57
CDR56
CDR55
CDR54
CDR53
CDR52
CDR51
CDR50
PTM5 compare data D7 (MSB)
PTM5 compare data D6
PTM5 compare data D5
PTM5 compare data D4
PTM5 compare data D3
PTM5 compare data D2
PTM5 compare data D1
PTM5 compare data D0 (LSB)
0 R/W High Low
00FFB5
D7
D6
D5
D4
D3
D2
D1
D0
CDR47
CDR46
CDR45
CDR44
CDR43
CDR42
CDR41
CDR40
PTM4 compare data D7 (MSB)
PTM4 compare data D6
PTM4 compare data D5
PTM4 compare data D4
PTM4 compare data D3
PTM4 compare data D2
PTM4 compare data D1
PTM4 compare data D0 (LSB)
0 R/W High Low
00FFB4