Hitachi H8/500 Series - Page 29

1.3.2 Pin Functions
Pin Arrangements in Each Operating Mode: Table 1-2 lists the arrangements of the pins of the
CP-84 and CG-84 packages in each operating mode. Table 1-3 lists the arrangements for the FP-
80A package.
Table 1-2 Pin Arrangements in Each Operating Mode (CP-84, CG-84)
Notes: 1. For the PROM mode, see section 17, “ROM.”
2. Pins marked NC should be left unconnected.
Pin Name
Expanded Minimum Expanded Maximum Single-Chip PROM
Pin Modes Modes Mode Mode
No. Mode 1 Mode 2 Mode 3 Mode 4 Mode 7
1 XTAL XTAL XTAL XTAL XTAL NC
2V
SS VSS VSS VSS VSS VSS
3P10/ø P10/ø P10/ø P10/ø P10/ø NC
4P1
1/E P11/E P11/E P11/E P11/E NC
5P1
2 / BACK P12 / BACK P12 / BACK P12 / BACK P12 NC
6 P1
3 / BREQ P13 / BREQ P13 / BREQ P13 / BREQ P13 NC
7P1
4 / WAIT P14 / WAIT P14 / WAIT P14 / WAIT P14 NC
8P1
5 / IRQ0 P15 / IRQ0 P15 / IRQ0 P15 / IRQ0 P15 / IRQ0 NC
9P1
6 / IRQ1 P16 / IRQ1 P16 / IRQ1 P16 / IRQ1 P16 / IRQ1 NC
10 P1
7 / TMO P17 / TMO P17 / TMO P17 / TMO P17 / TMO NC
11 AS AS AS AS P2
0 NC
12 R/W R/W R/W R/W P2
1 NC
13 DS DS DS DS P2
2 NC
14 RD RD RD RD P2
3 NC
15 WR WR WR WR P2
4 NC
16 V
CC VCC VCC VCC VCC VCC
17 MD0 MD0 MD0 MD0 MD0 VSS
18 MD1 MD1 MD1 MD1 MD1 VSS
8
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