Epson 0C88832 Technical Manual page 49

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