Epson 0C88832 Technical Manual page 27

Cmos 8-bit single chip microcomputer
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Address Bit
Name
00FF32
D7
D6
D5
D4
PSC11
Timer 1 prescaler dividing ratio selection
D3
PSC10
D2
CONT1
Timer 1 continuous/one-shot mode selection
D1
PSET1
Timer 1 preset
D0
PRUN1
Timer 1 Run/Stop control
00FF33
D7
RLD07
Timer 0 reload data D7 (MSB)
D6
RLD06
Timer 0 reload data D6
D5
RLD05
Timer 0 reload data D5
D4
RLD04
Timer 0 reload data D4
D3
RLD03
Timer 0 reload data D3
D2
RLD02
Timer 0 reload data D2
D1
RLD01
Timer 0 reload data D1
D0
RLD00
Timer 0 reload data D0 (LSB)
00FF34
D7
RLD17
Timer 1 reload data D7 (MSB)
D6
RLD16
Timer 1 reload data D6
D5
RLD15
Timer 1 reload data D5
D4
RLD14
Timer 1 reload data D4
D3
RLD13
Timer 1 reload data D3
D2
RLD12
Timer 1 reload data D2
D1
RLD11
Timer 1 reload data D1
D0
RLD10
Timer 1 reload data D0 (LSB)
00FF35
D7
PTD07
Timer 0 counter data D7 (MSB)
D6
PTD06
Timer 0 counter data D6
D5
PTD05
Timer 0 counter data D5
D4
PTD04
Timer 0 counter data D4
D3
PTD03
Timer 0 counter data D3
D2
PTD02
Timer 0 counter data D2
D1
PTD01
Timer 0 counter data D1
D0
PTD00
Timer 0 counter data D0 (LSB)
00FF36
D7
PTD17
Timer 1 counter data D7 (MSB)
D6
PTD16
Timer 1 counter data D6
D5
PTD15
Timer 1 counter data D5
D4
PTD14
Timer 1 counter data D4
D3
PTD13
Timer 1 counter data D3
D2
PTD12
Timer 1 counter data D2
D1
PTD11
Timer 1 counter data D1
D0
PTD10
Timer 1 counter data D0 (LSB)
E0C88832/88862 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)
Table 5.1.1(d) I/O Memory map (00FF32H–00FF36H)
Function
PSC11
PSC10
Prescaler dividing ratio
1
1
Source clock / 64
1
0
Source clock / 16
0
1
Source clock / 4
0
0
Source clock / 1
1
Continuous
One-shot
Preset
No operation
Run
High
High
High
High
EPSON
0
SR R/W
Comment
Constantry "0" when
being read
0
R/W
0
R/W
0
R/W
W
"0" when being read
0
R/W
Stop
1
R/W
1
R/W
1
R/W
1
R/W
Low
1
R/W
1
R/W
1
R/W
1
R/W
1
R/W
1
R/W
1
R/W
1
R/W
Low
1
R/W
1
R/W
1
R/W
1
R/W
1
R
1
R
1
R
1
R
Low
1
R
1
R
1
R
1
R
1
R
1
R
1
R
1
R
Low
1
R
1
R
1
R
1
R
21

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