I/O Memory Of Programmable Timer - Epson S1C63558 Technical Manual

4.10.8 I/O memory of programmable timer

Table 4.10.8.1 shows the I/O addresses and the control bits for the programmable timer.
Register
Address
D3 D2
0 EVCNT FCSEL PLPOL
FFC0H
R
CHSEL PTOUT CKSEL1 CKSEL0
FFC1H
R/W
PTPS01 PTPS00 PTRST0 PTRUN0
FFC2H
R/W
PTPS11 PTPS10 PTRST1 PTRUN1
FFC3H
R/W
RLD03 RLD02 RLD01 RLD00
FFC4H
R/W
RLD07 RLD06 RLD05 RLD04
FFC5H
R/W
RLD13 RLD12 RLD11 RLD10
FFC6H
R/W
RLD17 RLD16 RLD15 RLD14
FFC7H
R/W
PTD03 PTD02 PTD01 PTD00
FFC8H
R
PTD07 PTD06 PTD05 PTD04
FFC9H
R
PTD13 PTD12 PTD11 PTD10
FFCAH
R
PTD17 PTD16 PTD15 PTD14
FFCBH
R
0 0 EIPT1
FFE2H
R
0 0
FFF2H
R
*1 Initial value at initial reset
*2 Not set in the circuit
*3 Constantly "0" when being read
S1C63558 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Programmable Timer)
Table 4.10.8.1 Control bits of programmable timer
D1 D0 Name Init 1
3 2
0 –
EVCNT 0
FCSEL 0
R/W
PLPOL 0
CHSEL 0
PTOUT 0
CKSEL1 0
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
0 3 – 2
EIPT0
3 2
0 –
EIPT1 0
R/W
EIPT0 0
0 3 – 2
IPT1 IPT0
0 3 – 2
IPT1 0
R/W
IPT0 0
1 0
Unused
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)
Timer1 Timer0 TOUT output channel selection
On Off TOUT output control
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
Unused
Unused
Enable Mask Interrupt mask register (Programmable timer 1)
Enable Mask Interrupt mask register (Programmable timer 0)
(R) (R)
Unused
Yes No
Unused
(W) (W)
Interrupt factor flag (Programmable timer 1)
Reset Invalid Interrupt factor flag (Programmable timer 0)
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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