Epson S1C88650 User Manual

Page 37

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S1C88650 TECHNICAL MANUAL

EPSON

29

5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)

Table 5.1.1(l) I/O Memory map (00FF61H–00FF70H)

SR R/W

Address Bit

Name

Function

Comment

1

0

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

00FF64 D7

D6

D5

D4

D3

D2

D1

D0

PULP07

PULP06

PULP05

PULP04

PULP03

PULP02

PULP01

PULP00

1

R/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

1

R/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

00FF70 D7

D6

D5

D4

D3

D2

D1

D0

HZR1H

HZR1L

HZR0H

HZR0L

R/W register

R/W register

R/W register

R/W register

R14–R17 high impedance control

R10–R13 high impedance control

R04–R07 high impedance control

R00–R03 high impedance control

Reserved register

0

0

0

0

0

R/W

R/W

R/W

R/W

R/W

1

1

1

1

High

impedance

0

0

0

0

Comple-

mentary

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