HD6475328CG Datasheet, PDF (29/459 Pages) Hitachi Semiconductor – Manual Gives a Hardware Description

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)
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
2
VSS
VSS
VSS
VSS
VSS
VSS
3
P10/ø
P10/ø
P10/ø
P10/ø
P10/ø
NC
4
P11/E
P11/E
P11/E
P11/E
P11/E
NC
5
P12 / BACK P12 / BACK P12 / BACK P12 / BACK P12
NC
6
P13 / BREQ P13 / BREQ P13 / BREQ P13 / BREQ P13
NC
7
P14 / WAIT P14 / WAIT P14 / WAIT P14 / WAIT P14
NC
8
P15 / IRQ0
P15 / IRQ0 P15 / IRQ0 P15 / IRQ0 P15 / IRQ0
NC
9
P16 / IRQ1
P16 / IRQ1 P16 / IRQ1 P16 / IRQ1 P16 / IRQ1
NC
10
P17 / TMO
P17 / TMO P17 / TMO P17 / TMO P17 / TMO
NC
11
AS
AS
AS
AS
P20
NC
12
R/W
R/W
R/W
R/W
P21
NC
13
DS
DS
DS
DS
P22
NC
14
RD
RD
RD
RD
P23
NC
15
WR
WR
WR
WR
P24
NC
16
VCC
VCC
VCC
VCC
VCC
VCC
17
MD0
MD0
MD0
MD0
MD0
VSS
18
MD1
MD1
MD1
MD1
MD1
VSS
Notes: 1. For the PROM mode, see section 17, “ROM.”
2. Pins marked NC should be left unconnected.
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