Control Of Clock Timer - Epson S1C88650 Technical Manual

Hewlett-packard cmos 8-bit single chip microcomputer technical manual
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5.9.3 Control of clock timer

Table 5.9.3.1 shows the clock timer control bits.
Address Bit
Name
00FF40
D7
WDEN
Watchdog timer enable
D6
FOUT2
FOUT frequency selection
D5
FOUT1
D4
FOUT0
D3
FOUTON
FOUT output control
D2
WDRST
Watchdog timer reset
D1
TMRST
Clock timer reset
D0
TMRUN
Clock timer Run/Stop control
00FF41 D7
TMD7
Clock timer data
D6
TMD6
Clock timer data
D5
TMD5
Clock timer data
D4
TMD4
Clock timer data
D3
TMD3
Clock timer data
D2
TMD2
Clock timer data
D1
TMD1
Clock timer data
D0
TMD0
Clock timer data
00FF20 D7
PK01
K00–K07 interrupt priority register
D6
PK00
D5
PSIF1
Serial interface interrupt priority register
D4
PSIF0
D3
D2
D1
PTM1
Clock timer interrupt priority register
D0
PTM0
00FF22 D7
D6
D5
D4
D3
ETM32
Clock timer 32 Hz interrupt enable register
D2
ETM8
Clock timer 8 Hz interrupt enable register
D1
ETM2
Clock timer 2 Hz interrupt enable register
D0
ETM1
Clock timer 1 Hz interrupt enable register
00FF26 D7
D6
D5
D4
D3
FTM32
Clock timer 32 Hz interrupt factor flag
D2
FTM8
Clock timer 8 Hz interrupt factor flag
D1
FTM2
Clock timer 2 Hz interrupt factor flag
D0
FTM1
Clock timer 1 Hz interrupt factor flag
S1C88650 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Clock Timer)
Table 5.9.3.1 Clock timer control bits
Function
FOUT2
FOUT1
FOUT0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
1 Hz
2 Hz
4 Hz
8 Hz
16 Hz
32 Hz
64 Hz
128 Hz
1
Enable
Frequency
f
/ 1
OSC1
f
/ 2
OSC1
f
/ 4
OSC1
f
/ 8
OSC1
f
/ 1
OSC3
f
/ 2
OSC3
f
/ 4
OSC3
f
/ 8
OSC3
On
Reset
Reset
Run
High
PK01
PK00
PSIF1
PSIF0
1
1
1
0
0
1
0
0
PTM1
PTM0
1
1
1
0
0
1
0
0
Interrupt
enable
(R)
Generated
(W)
Reset
EPSON
0
SR R/W
1
R/W
Disable
0
R/W
0
R/W
0
R/W
0
R/W
Off
W
No operation
Constantly "0" when
W
No operation
being read
0
R/W
Stop
0
R
Low
Priority
0
R/W
level
Level 3
Level 2
0
R/W
Level 1
Level 0
Constantly "0" when
being read
Priority level
0
R/W
Level 3
Level 2
Level 1
Level 0
Constantly "0" when
being read
Interrupt
0
R/W
disable
Constantly "0" when
being read
(R)
Not generated
0
R/W
(W)
No operation
Comment
83

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