S1C63567 TECHNICAL MANUAL
EPSON
17
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)
Table 4.1.1 (c) I/O memory map (FF44H–FF60H)
Address
Comment
D3
D2
Register
D1
D0
Name
Init 1
10
FF44H
IOC13
IOC12
IOC11
IOC10
R/W
IOC13
IOC12
IOC11
IOC10
0
Output
Input
P13 I/O control register
General-purpose register when SIF (clock sync. slave) is selected
P12 I/O control register
General-purpose register when SIF (clock sync.) is selected
P11 I/O control register (ESIF=0)
General-purpose register when SIF is selected
P10 I/O control register (ESIF=0)
General-purpose register when SIF is selected
FF45H
PUL13
PUL12
PUL11
PUL10
R/W
PUL13
PUL12
PUL11
PUL10
1
On
Off
P13 pull-up control register
General-purpose register when SIF (clock sync. slave) is selected
P12 pull-up control register
General-purpose register when SIF (clock sync. master) is selected
SCLK (I) pull-up control register
when SIF (clock sync. slave) is selected
P11 pull-up control register (ESIF=0)
General-purpose register when SIF is selected
P10 pull-up control register (ESIF=0)
SIN pull-up control register when SIF is selected
FF46H
P13
(XSRDY)
P12
(XSCLK)
P11
(SOUT)
P10
(SIN)
R/W
P13
P12
P11
P10
– 2
High
Low
P13 I/O port data
General-purpose register when SIF (clock sync. slave) is selected
P12 I/O port data
General-purpose register when SIF (clock sync.) is selected
P11 I/O port data (ESIF=0)
General-purpose register when SIF is selected
P10 I/O port data (ESIF=0)
General-purpose register when SIF is selected
FF48H
IOC23
IOC22
IOC21
IOC20
R/W
IOC23
IOC22
IOC21
IOC20
0
Output
Input
P23 I/O control register (EXLCDC=0)
General-purpose register when FR output is selected
P22 I/O control register (EXLCDC=0)
General-purpose register when CL output is selected
P21 I/O control register
P20 I/O control register
FF49H
PUL23
PUL22
PUL21
PUL20
R/W
PUL23
PUL22
PUL21
PUL20
1
On
Off
P23 pull-up control register (EXLCDC=0)
General-purpose register when FR output is selected
P22 pull-up control register (EXLCDC=0)
General-purpose register when CL output is selected
P21 pull-up control register
P20 pull-up control register
FF4AH
P23
(FR)
P22
(CL)
P21
P20
R/W
P23
P22
P21
P20
– 2
High
Low
P23 I/O port data (EXLCDC=0)
General-purpose register when FR output is selected
P22 I/O port data (EXLCDC=0)
General-purpose register when CL output is selected
P21 I/O port data
P20 I/O port data
FF4CH
IOC33
IOC32
IOC31
IOC30
R/W
IOC33
IOC32
IOC31
IOC30
0
Output
Input
P30–P33 I/O control register
FF4DH
PUL33
PUL32
PUL31
PUL30
R/W
PUL33
PUL32
PUL31
PUL30
1
On
Off
P30–P33 pull-up control register
FF4EH
P33
P32
P31
P30
R/W
P33
P32
P31
P30
– 2
High
Low
P30–P33 I/O port data
FF60H
LDUTY1 LDUTY0 Dummy
LPWR
R/W
LDUTY1
LDUTY0
Dummy
LPWR
0
0On
Off
LCD drive duty
switch
General-purpose register
LCD power On/Off
0
1/17
1
1/16
2, 3
1/8
[LDUTY1, 0]
Duty