Epson S1C63558 Table 4.1.1 (b) I/O memory map (FF20H–FF42H)

CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)

Table 4.1.1 (b) I/O memory map (FF20H–FF42H)

Address

Register

Comment

D3

D2

D1

D0

Name

Init ∗ 1

1

0

SIK03

SIK02

SIK01

SIK00

SIK03

0

Enable

Disable

SIK02

0

Enable

Disable

FF20H

K00–K03 interrupt selection register

R/W

SIK01

0

Enable

Disable

SIK00

0

Enable

Disable

K03

K02

K01

K00

K03

– ∗ 2

High

Low

K02

– ∗ 2

High

Low

FF21H

K00–K03 input port data

R

K01

– ∗ 2

High

Low

K00

– ∗ 2

High

Low

KCP03

KCP02

KCP01

KCP00

KCP03

1

FF22H

KCP02

1

K00–K03 input comparison register

KCP01

1

R/W

KCP00

1

SIK13

SIK12

SIK11

SIK10

SIK13

0

Enable

Disable

SIK12

0

Enable

Disable

FF24H

K10–K13 interrupt selection register

R/W

SIK11

0

Enable

Disable

SIK10

0

Enable

Disable

K13

K12

K11

K10

K13

– ∗ 2

High

Low

(EVIN)

K12

– ∗ 2

High

Low

FF25H

K10–K13 input port data

R

K11

– ∗ 2

High

Low

K10

– ∗ 2

High

Low

KCP13

KCP12

KCP11

KCP10

KCP13

1

FF26H

KCP12

1

K10–K13 input comparison register

KCP11

1

R/W

KCP10

1

R03HIZ

R02HIZ

R01HIZ

R00HIZ

R03HIZ

0

Hi-Z

Output

R03 (FOUTE=0)/FOUT (FOUTE=1) Hi-z control

FF30H

R02HIZ

0

Hi-Z

Output

R02 (PTOUT=0)/TOUT (PTOUT=1) Hi-z control

R/W

R01HIZ

0

Hi-Z

Output

R01 (BZOUT=0)/BZ (BZOUT=1) Hi-z control

R00HIZ

0

Hi-Z

Output

R00 (XBZOUT=0)/XBZ (XBZOUT=1) Hi-z control

R03

R02

R01

R00

R03

1

High

Low

R03 output port data (FOUTE=0) Fix at "1" when FOUT is used.

FF31H

(FOUT)

(TOUT)

(BZ)

(XBZ)

R02

1

High

Low

R02 output port data (PTOUT=0) Fix at "1" when TOUT is used.

R/W

R01

1

High

Low

R01 output port data (BZOUT=0) Fix at "1" when BZ is used.

R00

1

High

Low

R00 output port data (XBZOUT=0) Fix at "1" when XBZ is used.

R13HIZ

R12HIZ

R11HIZ

R10HIZ

R13HIZ

0

Hi-Z

Output

R13 (CHFO=0)/HFO (CHFO=1) Hi-z control

FF32H

R12HIZ

0

Hi-Z

Output

R12 (CHDO=0)/HDO (CHDO=1) Hi-z control

R/W

R11HIZ

0

Hi-Z

Output

R11 (CRMO=0)/XRMUTE (CRMO=1) Hi-z control

R10HIZ

0

Hi-Z

Output

R10 (CTMO=0)/XTMUTE (CTMO=1) Hi-z control

R13

R12

R11

R10

R13

1

High

Low

R13 output port data (CHFO=0) Fix at "1" when HFO is used.

FF33H

(HFO)

(HDO)

(XRMUTE)

(XTMUTE)

R12

1

High

Low

R12 output port data (CHDO=0) Fix at "1" when HDO is used.

R/W

R11

1

High

Low

R11 output port data (CRMO=0) Fix at "1" when XRMUTE is used.

R10

1

High

Low

R10 output port data (CTMO=0) Fix at "1" when XTMUTE is used.

R23HIZ

R22HIZ

R21HIZ

R20HIZ

R23HIZ

0

Hi-Z

Output

FF34H

R22HIZ

0

Hi-Z

Output

R20–R23 Hi-z control

R/W

R21HIZ

0

Hi-Z

Output

R20HIZ

0

Hi-Z

Output

R23

R22

R21

R20

R23

1

High

Low

R22

1

High

Low

FF35H

R20–R23 output port data

R/W

R21

1

High

Low

R20

1

High

Low

IOC03

IOC02

IOC01

IOC00

IOC03

0

Output

Input

IOC02

0

Output

Input

FF40H

P00–P03 I/O control register

R/W

IOC01

0

Output

Input

IOC00

0

Output

Input

PUL03

PUL02

PUL01

PUL00

PUL03

1

On

Off

PUL02

1

On

Off

FF41H

P00–P03 pull-up control register

R/W

PUL01

1

On

Off

PUL00

1

On

Off

P03

P02

P01

P00

P03

– ∗ 2

High

Low

P02

– ∗ 2

High

Low

FF42H

P00–P03 I/O port data

R/W

P01

– ∗ 2

High

Low

P00

– ∗ 2

High

Low

16 EPSON S1C63558 TECHNICAL MANUAL