
S1C8F626 TECHNICAL MANUAL
EPSON
25
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)
Table 5.1.1(m) I/O Memory map (00FF64H–00FF6CH)
SR R/W
Address Bit
Name
Function
Comment
10
00FF64 D7
D6
D5
D4
D3
D2
D1
D0
PULP07
PULP06
PULP05
PULP04
PULP03
PULP02
PULP01
PULP00
1R/W
On
Off
P07 pull-up control register
P06 pull-up control register
P05 pull-up control register
P04 pull-up control register
P03 pull-up control register
P02 pull-up control register
P01 pull-up control register
P00 pull-up control register
00FF65 D7
D6
D5
D4
D3
D2
D1
D0
PULP17
PULP16
PULP15
PULP14
PULP13
PULP12
PULP11
PULP10
1R/W
On
Off
P17 pull-up control register
P16 pull-up control register
P15 pull-up control register
P14 pull-up control register
P13 pull-up control register
P12 pull-up control register
P11 pull-up control register
P10 pull-up control register
00FF67 D7
D6
D5
D4
D3
D2
D1
D0
IFLP17
IFLP16
IFLP15
IFLP14
IFLP13
IFLP12
IFLP11
IFLP10
0R/W
P17 input I/F level select register
P16 input I/F level select register
P15 input I/F level select register
P14 input I/F level select register
P13 input I/F level select register
P12 input I/F level select register
P11 input I/F level select register
P10 input I/F level select register
CMOS
Schmitt
CMOS
level
00FF68 D7
D6
D5
D4
D3
D2
D1
D0
IOC27
IOC26
IOC25
IOC24
IOC23
IOC22
IOC21
IOC20
P27 I/O control register
P26 I/O control register
P25 I/O control register
P24 I/O control register
P23 I/O control register
P22 I/O control register
P21 I/O control register
P20 I/O control register
0R/W
Output
Input
00FF6A D7
D6
D5
D4
D3
D2
D1
D0
P27D
P26D
P25D
P24D
P23D
P22D
P21D
P20D
P27 I/O port data
P26 I/O port data
P25 I/O port data
P24 I/O port data
P23 I/O port data
P22 I/O port data
P21 I/O port data
P20 I/O port data
1R/W
High
Low
00FF6C D7
D6
D5
D4
D3
D2
D1
D0
PULP27
PULP26
PULP25
PULP24
PULP23
PULP22
PULP21
PULP20
1R/W
On
Off
P27 pull-up control register
P26 pull-up control register
P25 pull-up control register
P24 pull-up control register
P23 pull-up control register
P22 pull-up control register
P21 pull-up control register
P20 pull-up control register