E0C88832/88862 TECHNICAL MANUAL
EPSON
43
5 PERIPHERAL CIRCUITS AND THEIR OPERATIO (Output Ports)
Table 5.5.6.1(b) Output port control bits
Address Bit
Name
SR R/W
Function
Comment
1
0
00FF30 D7
D6
D5
D4
D3
D2
D1
D0
–
–
–
MODE16
CHSEL
PTOUT
CKSEL1
CKSEL0
–
–
–
8/16-bit mode selection
TOUT output channel selection
TOUT output control
Prescaler 1 source clock selection
Prescaler 0 source clock selection
Constantry "0" when
being read
–
–
–
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
–
–
–
16-bit
x
1
Timer 1
On
f
OSC3
f
OSC3
–
–
–
8-bit
x
2
Timer 0
Off
f
OSC1
f
OSC1
00FF40 D7
D6
D5
D4
D3
D2
D1
D0
–
FOUT2
FOUT1
FOUT0
FOUTON
WDRST
TMRST
TMRUN
–
FOUT frequency selection
FOUT output control
Watchdog timer reset
Clock timer reset
Clock timer Run/Stop control
"0" when being read
This is just R/W
register on
E0C88862.
Constantly "0" when
being read
–
0
0
0
0
–
–
0
R/W
R/W
R/W
R/W
W
W
R/W
–
On
Reset
Reset
Run
–
Off
No operation
No operation
Stop
FOUT2
0
0
0
0
1
1
1
1
FOUT1
0
0
1
1
0
0
1
1
FOUT0
0
1
0
1
0
1
0
1
Frequency
f
OSC1
/ 1
f
OSC1
/ 2
f
OSC1
/ 4
f
OSC1
/ 8
f
OSC3
/ 1
f
OSC3
/ 2
f
OSC3
/ 4
f
OSC3
/ 8
00FF44 D7
D6
D5
D4
D3
D2
D1
D0
–
BZSTP
BZSHT
SHTPW
ENRTM
ENRST
ENON
BZON
–
One-shot buzzer forcibly stop
One-shot buzzer trigger/status
One-shot buzzer duration width selection
Envelope attenuation time
Envelope reset
Envelope On/Off control
Buzzer output control
Constantry "0" when
being read
"0" when being read
*1
–
–
0
0
0
–
0
0
W
R/W
R/W
R/W
W
R/W
R/W
–
Forcibly stop
Busy
Trigger
125 msec
1 sec
Reset
On
On
–
No operation
Ready
No operation
31.25 msec
0.5 sec
No operation
Off
Off
R
W
*1 Reset to "0" during one-shot output.
Содержание 0C88832
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