Hitachi H8/500 Series Hardware Manual page 33

Table 1-3 Pin Arrangements in Each Operating Mode (FP-80A)
Expanded Minimum
Pin Modes
No. Mode 1
1 R/W
2 DS
3 RD
4 WR
5 V
CC
6 MD
0
7 MD
1
8 MD
2
9 STBY
10 RES
11 NMI
12 V
SS
13 D
0
14 D
1
15 D
2
16 D
3
17 D
4
18 D
5
19 D
6
20 D
7
21 A
0
Notes: 1. For the PROM mode, see section 17, "ROM."
2. Pins marked NC should be left unconnected.
Downloaded from Elcodis.com electronic components distributor
Pin Name
Expanded Maximum
Modes
Mode 2 Mode 3
R/W R/W
DS DS
RD RD
WR WR
V V
CC CC
MD MD
0 0
MD MD
1 1
MD MD
2 2
STBY STBY
RES RES
NMI NMI
V V
SS SS
D D
0 0
D D
1 1
D D
2 2
D D
3 3
D D
4 4
D D
5 5
D D
6 6
D D
7 7
A A
0 0
12
Single-Chip
Mode
Mode 4 Mode 7
R/W P2
1
DS P2
2
RD P2
3
WR P2
4
V V
CC CC
MD MD
0 0
MD MD
1 1
MD MD
2 2
STBY STBY
RES RES
NMI NMI
V V
SS SS
D P3
0 0
D P3
1 1
D P3
2 2
D P3
3 3
D P3
4 4
D P3
5 5
D P3
6 6
D P3
7 7
A P4
0 0
PROM
Mode
NC
NC
NC
NC
V
CC
V
SS
V
SS
V
SS
V
SS
V
PP
A
9
V
SS
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
A
0