
S1C63653 TECHNICAL MANUAL
EPSON
19
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)
Table 4.1.1 (b) I/O memory map (FF41H–FF75H)
Address
Comment
D3
D2
Register
D1
D0
Name
Init 1
10
FF41H
PUL03
PUL02
PUL01
PUL00
R/W
PUL03
PUL02
PUL01
PUL00
1
On
Off
P00–P03 pull-down control register
FF42H
P03
P02
P01
P00
R/W
P03
P02
P01
P00
– 2
High
Low
P00–P03 I/O port data
FF45H
PUL13
PUL12
PUL11
PUL10
R/W
PUL13
PUL12
PUL11
PUL10
1
On
Off
P10–P13 pull-down control register
FF46H
P13
P12
P11
P10
R/W
P13
P12
P11
P10
– 2
High
Low
P10–P13 I/O port data
FF6EH
0
BZFQ2
BZFQ1
BZFQ0
RR/W
0 3
BZFQ2
BZFQ1
BZFQ0
– 2
0
FF6FH
0
BDTY2
BDTY1
BDTY0
RR/W
0 3
BDTY2
BDTY1
BDTY0
– 2
0
4096.0
1
3276.8
2
2730.7
3
2340.6
[BZFQ2, 1, 0]
Frequency (Hz)
4
2048.0
5
1638.4
6
1365.3
7
1170.3
[BZFQ2, 1, 0]
Frequency (Hz)
Unused
Buzzer
frequency
selection
Unused
Buzzer signal duty ratio selection
(refer to main manual)
WR/W
R
FF74H
00
TMRST TMRUN
0 3
TMRST3
TMRUN
– 2
Reset
0
Reset
Run
Invalid
Stop
Unused
Clock timer reset (writing)
Clock timer Run/Stop
R
FF75H
TM3
TM2
TM1
TM0
TM3
TM2
TM1
TM0
0
Clock timer data (16 Hz)
Clock timer data (32 Hz)
Clock timer data (64 Hz)
Clock timer data (128 Hz)
FF60H
LDUTY1 LDUTY0 STCD
LPWR
R/W
LDUTY1
LDUTY0
STCD
LPWR
0
Static
On
Dynamic
Off
LCD drive duty
switch
LCD drive switch
LCD power On/Off
0
1/4
1
1/5
2
1/6
3
1/3
FF61H
0
ALOFF
ALON
0
RR
R/W
0 3
ALOFF
ALON
0 3
– 2
1
0
– 2
All Off
All On
Normal
Unused
LCD all Off control
LCD all On control
Unused
FF62H
LC3
LC2
LC1
LC0
R/W
LC3
LC2
LC1
LC0
0
Light
–
15
Dark
[LC3–0]
Contrast
LCD contrast adjustment
[LDUTY1, 0]
Duty
FF6CH
ENRTM ENRST
ENON
BZE
R/W
W
R/W
ENRTM
ENRST3
ENON
BZE
0
Reset
0
1 sec
Reset
On
Enable
0.5 sec
Invalid
Off
Disable
Envelope releasing time selection
Envelope reset (writing)
Envelope On/Off
Buzzer output enable
FF6DH
0
BZSTP BZSHT SHTPW
RW
R/W
0 3
BZSTP3
BZSHT
SHTPW
– 2
0
Stop
Trigger
Busy
125 msec
Invalid
Ready
31.25 msec
Unused
1-shot buzzer stop (writing)
1-shot buzzer trigger (writing)
1-shot buzzer status (reading)
1-shot buzzer pulse width setting
FF44H
IOC13
IOC12
IOC11
IOC10
R/W
IOC13
IOC12
IOC11
IOC10
0
Output
Input
P10–P13 I/O control register