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5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Programmable Timer)
Address Bit
Name
00FF19 D7
PRPRT7
D6
PST72
D5
PST71
D4
PST70
D3
PRPRT6
D2
PST62
D1
PST61
D0
PST60
00FF17 D7
–
–
D6
–
–
D5
–
–
D4
–
R/W register
D3
PRTF3
Programmable timer 3 source clock selection
D2
PRTF2
Programmable timer 2 source clock selection
D1
PRTF1
Programmable timer 1 source clock selection
D0
PRTF0
Programmable timer 0 source clock selection
00FF1B D7
–
–
D6
–
–
D5
–
–
D4
–
–
D3
PRTF7
Programmable timer 7 source clock selection
D2
PRTF6
Programmable timer 6 source clock selection
D1
PRTF5
Programmable timer 5 source clock selection
D0
PRTF4
Programmable timer 4 source clock selection
00FF21 D7
–
–
D6
–
–
D5
PPT3
Programmable timer 3–2 interrupt
D4
PPT2
priority register
D3
PPT1
Programmable timer 1–0 interrupt
D2
PPT0
priority register
D1
–
–
D0
–
–
00FF2A D7
–
–
D6
–
–
D5
–
–
D4
–
–
D3
PPT7
Programmable timer 7–6 interrupt
D2
PPT6
priority register
D1
PPT5
Programmable timer 5–4 interrupt
D0
PPT4
priority register
96
Table 5.10.9.1(b) Programmable timer control bits
Function
Programmable timer 7 clock control
Programmable timer 7 division ratio
PST72
PST71
PST70
(OSC3)
1
1
1
f
/ 4096
OSC3
1
1
0
f
/ 1024
OSC3
1
0
1
f
/ 256
OSC3
1
0
0
f
/ 64
OSC3
0
1
1
f
/ 32
OSC3
0
1
0
f
/ 8
OSC3
0
0
1
f
/ 2
OSC3
0
0
0
f
/ 1
OSC3
Programmable timer 6 clock control
Programmable timer 6 division ratio
PST62
PST61
PST60
(OSC3)
1
1
1
f
/ 4096
OSC3
1
1
0
f
/ 1024
OSC3
1
0
1
f
/ 256
OSC3
1
0
0
f
/ 64
OSC3
0
1
1
f
/ 32
OSC3
0
1
0
f
/ 8
OSC3
0
0
1
f
/ 2
OSC3
0
0
0
f
/ 1
OSC3
1
On
(OSC1)
f
/ 128
OSC1
f
/ 64
OSC1
f
/ 32
OSC1
f
/ 16
OSC1
f
/ 8
OSC1
f
/ 4
OSC1
f
/ 2
OSC1
f
/ 1
OSC1
On
(OSC1)
f
/ 128
OSC1
f
/ 64
OSC1
f
/ 32
OSC1
f
/ 16
OSC1
f
/ 8
OSC1
f
/ 4
OSC1
f
/ 2
OSC1
f
/ 1
OSC1
–
–
–
1
f
OSC1
f
OSC1
f
OSC1
f
OSC1
–
–
–
–
f
OSC1
f
OSC1
f
OSC1
f
OSC1
–
–
PPT3
PPT2
Priority
PPT1
PPT0
1
1
Level 3
1
0
Level 2
0
1
Level 1
0
0
Level 0
–
–
–
–
–
–
PPT7
PPT6
Priority
PPT5
PPT4
1
1
Level 3
1
0
Level 2
0
1
Level 1
0
0
Level 0
EPSON
0
SR R/W
Comment
0
R/W
Off
0
R/W
0
R/W
0
R/W
0
R/W
Off
0
R/W
0
R/W
0
R/W
–
–
Constantly "0" when
–
–
being read
–
–
0
R/W
0
Reserved register
0
R/W
f
OSC3
0
R/W
f
OSC3
0
R/W
f
OSC3
0
R/W
f
OSC3
–
–
Constantly "0" when
–
–
being read
–
–
–
–
0
R/W
f
OSC3
0
R/W
f
OSC3
0
R/W
f
OSC3
0
R/W
f
OSC3
–
–
Constantly "0" when
–
–
being read
0
R/W
level
0
R/W
–
–
–
Constantly "0" when
–
–
being read
–
–
Constantly "0" when
–
–
being read
–
–
–
–
0
R/W
level
0
R/W
S1C88650 TECHNICAL MANUAL
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