HD404314H 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

부품명

상세내역

제조사

HD404314H

4-bit HMCS400-series microcomputer

Hitachi -> Renesas Electronics 

HD404318 Series

Port mode register A (PMRA: $004)

Bit

Initial value

Read/Write

Bit name

3

0

W

PMRA3

2

1

0

0

W

W

PMRA2 PMRA1

0

0

W

PMRA0

PMRA2

0

1

R03/TOC Mode Selection

R03

TOC

PMRA3

0

1

D3/BUZZ Mode Selection

D3

BUZZ

PMRA0

0

1

R02/SO Mode Selection

R02

SO

PMRA1

0

1

R01/SI Mode Selection

R01

SI

Figure 18 Port Mode Register A (PMRA)

Port mode register B (PMRB: $024)

Bit

Initial value

Read/Write

Bit name

3

2

1

0

0

0

0

0

W

W

W

W

PMRB3* PMRB2 PMRB1 PMRB0

PMRB2 D2/EVNB Mode Selection

0

D2

1 EVNB

PMRB3 D4/STOPC Mode Selection

0

D4

1 STOPC

PMRB0

0

1

PMRB1

0

1

D0/INT0 Mode Selection

D0

INT0

D1/INT1 Mode Selection

D1

INT1

Note: * PMRB3 is reset to 0 only by RESET input. When STOPC is input in stop mode,

PMRB3 is not reset but retains its value.

Figure 19 Port Mode Register B (PMRB)

28

Share Link: