Epson S1C88650 - Manual (Page 103)

S1C88650 TECHNICAL MANUAL EPSON 95
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Programmable Timer)
5.10.9 Control of programmable timer
Table 5.10.9.1 shows the programmable timer control bits.
Table 5.10.9.1(a) Programmable timer control bits
SR R/W Address Bit Name Function Comment 1 0
00FF14 D7
D6
D5
D4
D3
D2
D1
D0
PRPRT1
PST12
PST11
PST10
PRPRT0
PST02
PST01
PST00
Programmable timer 1 clock control
Programmable timer 1 division ratio
Programmable timer 0 clock control
Programmable timer 0 division ratio
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
On
On
Off
Off
PST12
1
1
1
1
0
0
0
0
PST11
1
1
0
0
1
1
0
0
PST10
1
0
1
0
1
0
1
0
(OSC3)
f OSC3 / 4096
f OSC3 / 1024
f OSC3 / 256
f OSC3 / 64
f OSC3 / 32
f OSC3 / 8
f OSC3 / 2
f OSC3 / 1
(OSC1)
f OSC1 / 128
f OSC1 / 64
f OSC1 / 32
f OSC1 / 16
f OSC1 / 8
f OSC1 / 4
f OSC1 / 2
f OSC1 / 1
PST02
1
1
1
1
0
0
0
0
PST01
1
1
0
0
1
1
0
0
PST00
1
0
1
0
1
0
1
0
(OSC3)
f OSC3 / 4096
f OSC3 / 1024
f OSC3 / 256
f OSC3 / 64
f OSC3 / 32
f OSC3 / 8
f OSC3 / 2
f OSC3 / 1
(OSC1)
f OSC1 / 128
f OSC1 / 64
f OSC1 / 32
f OSC1 / 16
f OSC1 / 8
f OSC1 / 4
f OSC1 / 2
f OSC1 / 1
00FF15 D7
D6
D5
D4
D3
D2
D1
D0
PRPRT3
PST32
PST31
PST30
PRPRT2
PST22
PST21
PST20
Programmable timer 3 clock control
Programmable timer 3 division ratio
Programmable timer 2 clock control
Programmable timer 2 division ratio
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
On
On
Off
Off
PST32
1
1
1
1
0
0
0
0
PST31
1
1
0
0
1
1
0
0
PST30
1
0
1
0
1
0
1
0
(OSC3)
f OSC3 / 4096
f OSC3 / 1024
f OSC3 / 256
f OSC3 / 64
f OSC3 / 32
f OSC3 / 8
f OSC3 / 2
f OSC3 / 1
(OSC1)
f OSC1 / 128
f OSC1 / 64
f OSC1 / 32
f OSC1 / 16
f OSC1 / 8
f OSC1 / 4
f OSC1 / 2
f OSC1 / 1
PST22
1
1
1
1
0
0
0
0
PST21
1
1
0
0
1
1
0
0
PST20
1
0
1
0
1
0
1
0
(OSC3)
f OSC3 / 4096
f OSC3 / 1024
f OSC3 / 256
f OSC3 / 64
f OSC3 / 32
f OSC3 / 8
f OSC3 / 2
f OSC3 / 1
(OSC1)
f OSC1 / 128
f OSC1 / 64
f OSC1 / 32
f OSC1 / 16
f OSC1 / 8
f OSC1 / 4
f OSC1 / 2
f OSC1 / 1
00FF18 D7
D6
D5
D4
D3
D2
D1
D0
PRPRT5
PST52
PST51
PST50
PRPRT4
PST42
PST41
PST40
Programmable timer 5 clock control
Programmable timer 5 division ratio
Programmable timer 4 clock control
Programmable timer 4 division ratio
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
On
On
Off
Off
PST52
1
1
1
1
0
0
0
0
PST51
1
1
0
0
1
1
0
0
PST50
1
0
1
0
1
0
1
0
(OSC3)
f OSC3 / 4096
f OSC3 / 1024
f OSC3 / 256
f OSC3 / 64
f OSC3 / 32
f OSC3 / 8
f OSC3 / 2
f OSC3 / 1
(OSC1)
f OSC1 / 128
f OSC1 / 64
f OSC1 / 32
f OSC1 / 16
f OSC1 / 8
f OSC1 / 4
f OSC1 / 2
f OSC1 / 1
PST42
1
1
1
1
0
0
0
0
PST41
1
1
0
0
1
1
0
0
PST40
1
0
1
0
1
0
1
0
(OSC3)
f OSC3 / 4096
f OSC3 / 1024
f OSC3 / 256
f OSC3 / 64
f OSC3 / 32
f OSC3 / 8
f OSC3 / 2
f OSC3 / 1
(OSC1)
f OSC1 / 128
f OSC1 / 64
f OSC1 / 32
f OSC1 / 16
f OSC1 / 8
f OSC1 / 4
f OSC1 / 2
f OSC1 / 1