S1C63808 TECHNICAL MANUAL
EPSON
17
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)
Address
Comment
D3
D2
Register
D1
D0
Name
Init 1
10
FF45H
PUL13
PUL12
PUL11
PUL10
R/W
PUL13
PUL12
PUL11
PUL10
1
On
Off
P13 pull-down control register
functions as a general-purpose register when SIF1 (slave) is selected
P12 pull-down control register (ESIF1=0)
functions as a general-purpose register when SIF1 (master) is selected
SCLK1 (I) pull-down control register when SIF1 (slave) is selected
P11 pull-down control register (ESIF1=0)
functions as a general-purpose register when SIF1 is selected
P10 pull-down control register (ESIF1=0)
SIN1 pull-down control register when SIF1 is selected
FF46H
P13
P12
P11
P10
R/W
P13
P12
P11
P10
– 2
High
Low
P13 I/O port data
functions as a general-purpose register when SIF1 (slave) is selected
P12 I/O port data (ESIF1=0)
functions as a general-purpose register when SIF1 is selected
P11 I/O port data (ESIF1=0)
functions as a general-purpose register when SIF1 is selected
P10 I/O port data (ESIF1=0)
functions as a general-purpose register when SIF1 is selected
FF49H
PUL23
PUL22
PUL21
PUL20
R/W
PUL23
PUL22
PUL21
PUL20
1
On
Off
P23 pull-down control register
functions as a general-purpose register when SIF2 (slave) is selected
P22 pull-down control register (ESIF2=0)
functions as a general-purpose register when SIF2 (master) is selected
SCLK2 (I) pull-down control register when SIF2 (slave) is selected
P21 pull-down control register (ESIF2=0)
functions as a general-purpose register when SIF2 is selected
P20 pull-down control register (ESIF2=0)
SIN2 pull-down control register when SIF2 is selected
FF4AH
P23
P22
P21
P20
R/W
P23
P22
P21
P20
– 2
High
Low
P23 I/O port data
functions as a general-purpose register when SIF2 (slave) is selected
P22 I/O port data (ESIF2=0)
functions as a general-purpose register when SIF2 is selected
P21 I/O port data (ESIF2=0)
functions as a general-purpose register when SIF2 is selected
P20 I/O port data (ESIF2=0)
functions as a general-purpose register when SIF2 is selected
FF4CH
IOC33
IOC32
IOC31
IOC30
R/W
IOC33
IOC32
IOC31
IOC30
0
Output
Input
P30–P33 I/O control register
FF50H
IOC43
IOC42
IOC41
IOC40
R/W
IOC33
IOC32
IOC31
IOC30
0
Output
Input
P40–P43 I/O control register
FF4DH
PUL33
PUL32
PUL31
PUL30
R/W
PUL33
PUL32
PUL31
PUL30
1
On
Off
P30–P33 pull-down control register
FF4EH
P33
P32
P31
P30
R/W
P33
P32
P31
P30
– 2
High
Low
P30–P33 I/O port data
FF48H
IOC23
IOC22
IOC21
IOC20
R/W
IOC23
IOC22
IOC21
IOC20
0
Output
Input
P23 I/O control register
functions as a general-purpose register when SIF2 (slave) is selected
P22 I/O control register (ESIF2=0)
functions as a general-purpose register when SIF2 is selected
P21 I/O control register (ESIF2=0)
functions as a general-purpose register when SIF2 is selected
P20 I/O control register (ESIF2=0)
functions as a general-purpose register when SIF2 is selected
FF51H
PUL43
PUL42
PUL41
PUL40
R/W
PUL43
PUL42
PUL41
PUL40
1
On
Off
P40–P43 pull-down control register
Table 4.1.1 (c) I/O memory map (FF45H–FF51H)