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III PERIPHERAL BLOCK: 8-BIT PROGRAMMABLE TIMERS
B-III-3-10 EPSON S1C33L03 FUNCTION PART
I/O Memory of 8-Bit Programmable Timers
Table 3.6 shows the control bits of the 8-bit programmable timers.
For details on the I/O memory of the prescaler used to set a clock, refer to "Prescaler".
Table 3.6 Control Bits of 8-Bit Programmable Timer
NameAddressRegister name Bit Function Setting Init. R/W Remarks
–
PTOUT0
PSET0
PTRUN0
D7–3
D2
D1
D0
reserved
8-bit timer 0 clock output control
8-bit timer 0 preset
8-bit timer 0 Run/Stop control
–
0
–
0
–
R/W
W
R/W
0 when being read.
0 when being read.
0040160
(B)
–
1 On 0 Off
1 Preset 0 Invalid
1 Run 0 Stop
8-bit timer 0
control register
0 to 255RLD07
RLD06
RLD05
RLD04
RLD03
RLD02
RLD01
RLD00
D7
D6
D5
D4
D3
D2
D1
D0
8-bit timer 0 reload data
RLD07 = MSB
RLD00 = LSB
X
X
X
X
X
X
X
X
R/W0040161
(B)
8-bit timer 0
reload data
register
0 to 255PTD07
PTD06
PTD05
PTD04
PTD03
PTD02
PTD01
PTD00
D7
D6
D5
D4
D3
D2
D1
D0
8-bit timer 0 counter data
PTD07 = MSB
PTD00 = LSB
X
X
X
X
X
X
X
X
R0040162
(B)
8-bit timer 0
counter data
register
–
PTOUT1
PSET1
PTRUN1
D7–3
D2
D1
D0
reserved
8-bit timer 1 clock output control
8-bit timer 1 preset
8-bit timer 1 Run/Stop control
–
0
–
0
–
R/W
W
R/W
0 when being read.
0 when being read.
0040164
(B)
–
1 On 0 Off
1 Preset 0 Invalid
1 Run 0 Stop
8-bit timer 1
control register
0 to 255RLD17
RLD16
RLD15
RLD14
RLD13
RLD12
RLD11
RLD10
D7
D6
D5
D4
D3
D2
D1
D0
8-bit timer 1 reload data
RLD17 = MSB
RLD10 = LSB
X
X
X
X
X
X
X
X
R/W0040165
(B)
8-bit timer 1
reload data
register
0 to 255PTD17
PTD16
PTD15
PTD14
PTD13
PTD12
PTD11
PTD10
D7
D6
D5
D4
D3
D2
D1
D0
8-bit timer 1 counter data
PTD17 = MSB
PTD10 = LSB
X
X
X
X
X
X
X
X
R0040166
(B)
8-bit timer 1
counter data
register
–
PTOUT2
PSET2
PTRUN2
D7–3
D2
D1
D0
reserved
8-bit timer 2 clock output control
8-bit timer 2 preset
8-bit timer 2 Run/Stop control
–
0
–
0
–
R/W
W
R/W
0 when being read.
0 when being read.
0040168
(B)
–
1 On 0 Off
1 Preset 0 Invalid
1 Run 0 Stop
8-bit timer 2
control register
0 to 255RLD27
RLD26
RLD25
RLD24
RLD23
RLD22
RLD21
RLD20
D7
D6
D5
D4
D3
D2
D1
D0
8-bit timer 2 reload data
RLD27 = MSB
RLD20 = LSB
X
X
X
X
X
X
X
X
R/W0040169
(B)
8-bit timer 2
reload data
register
0 to 255PTD27
PTD26
PTD25
PTD24
PTD23
PTD22
PTD21
PTD20
D7
D6
D5
D4
D3
D2
D1
D0
8-bit timer 2 counter data
PTD27 = MSB
PTD20 = LSB
X
X
X
X
X
X
X
X
R004016A
(B)
8-bit timer 2
counter data
register