aPPenDiX a liST OF i/O ReGiSTeRS
aP-a-4
Seiko epson Corporation
S1C63003/004/008/016 TeChniCal Manual
(Rev. 1.1)
FF40h–FF42h
Clock Timer
Address
Register name R/W Default
Setting/data
Function
FF40H D3 0 (
*
3)
R
– (
*
2)
–
Unused
D2 0 (
*
3)
R
– (
*
2)
–
Unused
D1
TMRST (
*
3)
W (Reset) 1 Reset
0 Invalid
Clock timer reset (writing)
D0
TMRun
R/W
0
1 Run
0 Stop
Clock timer Run/Stop
FF41H D3
TM3
R
0
0H–FH
Clock timer data (16 Hz)
D2
TM2
R
0
Clock timer data (32 Hz)
D1
TM1
R
0
Clock timer data (64 Hz)
D0
TM0
R
0
Clock timer data (128 Hz)
FF42H D3
TM7
R
0
0H–FH
Clock timer data (1 Hz)
D2
TM6
R
0
Clock timer data (2 Hz)
D1
TM5
R
0
Clock timer data (4 Hz)
D0
TM4
R
0
Clock timer data (8 Hz)
FF44h–FF47h
Sound Generator
Address
Register name R/W Default
Setting/data
Function
FF44H D3
enRTM
R/W
0
1 1 sec
0 0.5 sec
Envelope releasing time selection
D2
enRST (
*
3)
W (Reset) 1 Reset
0 Invalid
Envelope reset (writing)
D1
enOn
R/W
0
1 On
0 Off
Envelope On/Off
D0
BZe
R/W
0
1 Enable
0 Disable
Buzzer output enable
FF45H D3 0 (
*
3)
R
– (
*
2)
–
Unused
D2
BZSTP (
*
3)
W
0
1 Stop
0 Invalid
1-shot buzzer stop (writing)
D1
BZShT
R/W
0
1 Trigger (W)
Busy (R)
0 Invalid (W)
Ready (R)
1-shot buzzer trigger (writing)
1-shot buzzer status (reading)
D0
ShTPW
R/W
0
1 125 msec
0 31.25 msec
1-shot buzzer pulse width setting
FF46H D3 0 (
*
3)
R
– (
*
2)
–
Unused
D2
BZFQ2
R/W
0
7 1170.3
4 2048.0
1 3276.8
Buzzer frequency (Hz) selection
D1
BZFQ1
R/W
0
6 1365.3
3 2340.6
0 4096.0
D0
BZFQ0
R/W
0
5 1638.4
2 2730.7
FF47H D3 0 (
*
3)
R
– (
*
2)
–
Unused
D2
BDTY2
R/W
0
7 Level 8
4 Level 5
1 Level 2
Buzzer signal duty ratio selection
D1
BDTY1
R/W
0
6 Level 7
3 Level 4
0 Level 1
(max.)
D0
BDTY0
R/W
0
5 Level 6
2 Level 3
FF48h–FF4Dh
Stopwatch Timer
Address
Register name R/W Default
Setting/data
Function
FF48H
(
*
6)
D3 0 (
*
3)
R
– (
*
2)
–
Unused
D2 0 (
*
3)
R
– (
*
2)
–
Unused
D1
SWDiR
R/W
0
1 P00 = Lap
P01 = Run/Stop
0 P00 = Run/Stop
P01 = Lap
Stopwatch direct input switch
D0
eDiR
R/W
0
1 Enable
0 Disable
Direct input enable
FF49H
(
*
6)
D3 0 (
*
3)
R
– (
*
2)
–
Unused
D2
DKM2
R/W
0
7 P10–13
4 P10
1 P02
Key mask selection
D1
DKM1
R/W
0
6 P10–12
3 P02–03,10 0 No mask
D0
DKM0
R/W
0
5 P10–11
2 P02–03
FF4AH D3
lCuRF (
*
6)
R
0
1 Request
0 No
Lap data carry-up request flag
D2
CRnWF (
*
6)
R
0
1 Renewal
0 No
Capture renewal flag
D1
SWRun
R/W
0
1 Run
0 Stop
Stopwatch timer Run/Stop
D0
SWRST (
*
3)
W (Reset) 1 Reset
0 Invalid
Stopwatch timer reset (writing)
FF4BH D3
SWD3
R
0
0–9
Stopwatch timer data
BCD (1/1000 sec)
D2
SWD2
R
0
D1
SWD1
R
0
D0
SWD0
R
0
FF4CH D3
SWD7
R
0
0–9
Stopwatch timer data
BCD (1/100 sec)
D2
SWD6
R
0
D1
SWD5
R
0
D0
SWD4
R
0
FF4DH D3
SWD11
R
0
0–9
Stopwatch timer data
BCD (1/10 sec)
D2
SWD10
R
0
D1
SWD9
R
0
D0
SWD8
R
0