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EPSON
S1C8F626 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)
Table 5.1.1(l) I/O Memory map (00FF5AH–00FF63H)
SR R/W
Address Bit
Name
Function
Comment
10
00FF5A D7
D6
D5
D4
D3
D2
D1
D0
IFLK07
IFLK06
IFLK05
IFLK04
IFLK03
IFLK02
IFLK01
IFLK00
0
R/W
K07 input I/F level select register
K06 input I/F level select register
K05 input I/F level select register
K04 input I/F level select register
K03 input I/F level select register
K02 input I/F level select register
K01 input I/F level select register
K00 input I/F level select register
CMOS
Schmitt
CMOS
level
00FF5C D7
D6
D5
D4
D3
D2
D1
D0
–
0
R/W
KEYR1
1
0
KEYR0
1
0
1
0
Ports used
K00–K03
K00–K02
K00–K01
Not used
–
Multiple-key entry reset selection
Constantly "0" when
being read
–
KEYR1
KEYR0
00FF60 D7
D6
D5
D4
D3
D2
D1
D0
IOC07
IOC06
IOC05
IOC04
IOC03
IOC02
IOC01
IOC00
P07 I/O control register
P06 I/O control register
P05 I/O control register
P04 I/O control register
P03 I/O control register
P02 I/O control register
P01 I/O control register
P00 I/O control register
0
R/W
Output
Input
00FF61 D7
D6
D5
D4
D3
D2
D1
D0
IOC17
IOC16
IOC15
IOC14
IOC13
IOC12
IOC11
IOC10
0
R/W
Output
Input
P17 I/O control register
P16 I/O control register
P15 I/O control register
P14 I/O control register
P13 I/O control register
P12 I/O control register
P11 I/O control register
P10 I/O control register
00FF62 D7
D6
D5
D4
D3
D2
D1
D0
P07D
P06D
P05D
P04D
P03D
P02D
P01D
P00D
P07 I/O port data
P06 I/O port data
P05 I/O port data
P04 I/O port data
P03 I/O port data
P02 I/O port data
P01 I/O port data
P00 I/O port data
1
R/W
High
Low
00FF63 D7
D6
D5
D4
D3
D2
D1
D0
P17D
P16D
P15D
P14D
P13D
P12D
P11D
P10D
1
R/W
High
Low
P17 I/O port data
P16 I/O port data
P15 I/O port data
P14 I/O port data
P13 I/O port data
P12 I/O port data
P11 I/O port data
P10 I/O port data