I/O Memory Of Programmable Timer - Epson S1C63656 Technical Manual

4.10.10 I/O memory of programmable timer

Table 4.10.10.1 shows the I/O addresses and the control bits for the programmable timer.
Register
Address
D3 D2
MOD16 EVCNT FCSEL PLPOL
FFC0H
R/W
0 0 CHSEL0 PTOUT
FFC1H
R
0 0 CKSEL1 CKSEL0
FFC2H
R
PTPS01 PTPS00 PTRST0 PTRUN0
FFC3H
R/W
PTPS11 PTPS10 PTRST1 PTRUN1
FFC4H
R/W
RLD03 RLD02 RLD01 RLD00
FFC6H
R/W
RLD07 RLD06 RLD05 RLD04
FFC7H
R/W
RLD13 RLD12 RLD11 RLD10
FFC8H
R/W
RLD17 RLD16 RLD15 RLD14
FFC9H
R/W
PTD03 PTD02 PTD01 PTD00
FFCCH
R
PTD07 PTD06 PTD05 PTD04
FFCDH
R
PTD13 PTD12 PTD11 PTD10
FFCEH
R
PTD17 PTD16 PTD15 PTD14
FFCFH
R
CD03 CD02 CD01
FFD2H
R/W
*1 Initial value at initial reset
*2 Not set in the circuit
S1C63656 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Programmable Timer)
Table 4.10.10.1(a) Control bits of programmable timer
∗1
D1 D0 Name Init
MOD16 0
EVCNT 0
FCSEL 0
PLPOL 0
∗3 ∗2
0 –
∗3 ∗2
0 –
CHSEL0 0
R/W
PTOUT 0
∗3 ∗2
0 –
∗3 ∗2
0 –
CKSEL1 0
R/W
CKSEL0 0
PTPS01 0
PTPS00 0
∗3 ∗2
PTRST0 –
W R/W
PTRUN0 0
PTPS11 0
PTPS10 0
∗3 ∗2
PTRST1 –
W R/W
PTRUN1 0
RLD03 0
RLD02 0
RLD01 0
RLD00 0
RLD07 0
RLD06
0
RLD05 0
RLD04 0
RLD13 0
RLD12 0
RLD11 0
RLD10 0
RLD17 0
RLD16 0
RLD15 0
RLD14 0
PTD03 0
PTD02 0
PTD01 0
PTD00 0
PTD07 0
PTD06 0
PTD05 0
PTD04 0
PTD13 0
PTD12 0
PTD11 0
PTD10 0
PTD17 0
PTD16 0
PTD15 0
PTD14 0
CD03 0
CD00
CD02 0
CD01 0
CD00 0
*3 Constantly "0" when being read
1 0
16 bits 8 bits 16-bit mode selection
Event ct. Timer
Timer 0 counter mode selection
With NR No NR Timer 0 function selection (for event counter mode)
Timer 0 pulse polarity selection (for event counter mode)
Unused
Unused
Timer 1 Timer 0
TOUT output selection
On Off TOUT output control
Unused
Unused
OSC3 OSC1 Prescaler 1 source clock selection
OSC3 OSC1
Prescaler 0 source clock selection
Prescaler 0
division ratio
selection
Reset Invalid
Timer 0 reset (reload)
Run Stop Timer 0 Run/Stop
Prescaler 1
division ratio
selection
Reset Invalid
Timer 1 reset (reload)
Run Stop
Timer 1 Run/Stop
MSB
Programmable timer 0 reload data (low-order 4 bits)
LSB
MSB
Programmable timer 0 reload data (high-order 4 bits)
LSB
MSB
Programmable timer 1 reload data (low-order 4 bits)
LSB
MSB
Programmable timer 1 reload data (high-order 4 bits)
LSB
MSB
Programmable timer 0 data (low-order 4 bits)
LSB
MSB
Programmable timer 0 data (high-order 4 bits)
LSB
MSB
Programmable timer 1 data (low-order 4 bits)
LSB
MSB
Programmable timer 1 data (high-order 4 bits)
LSB
MSB
Programmable timer 0 compare data (low-order 4 bits)
LSB
EPSON
Comment
[PTPS01, 00] 0 1 2
Division ratio 1/1 1/4 1/32
[PTPS11, 10] 0 1 2
Division ratio 1/1 1/4 1/32
3
1/256
3
1/256
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