Hitachi GCR-8480B User Manual page 19

• IC501 HMS895300
Pin Description
Pin No. Signal
1 Vss
2 A11
3 A9
4 A8
5 A13
6 A14
7 Wstrobe
8 A16
9 A15
10 A12
11 A7
12 A6
13 A5
14 A4
15 A3
16 A2
17 A1
18 A0
19 DATA0
20 DATA1
21 V
DDD
22 V
DD 1
23 Vss
24 V
SSD
25 DATA2
26 DATA3
27 DATA4
28 DATA5
29 DATA6
30 DATA7
31 ZCE
32 A10
33 Psen
34 IOPORT0
35 IOPORT1
36 IOPORT2
Type COMMENT
P Logic GND
O PROM ADDRESS
O
O
O
O
O Write Strobe
O 128K
O 64K
O
O
O
O
O
O
O
O
O
B PROM DATA
B
P DRAM VDD 5V
P 3.3V
P Logic GND
P DRAM GND
B PROM DATA
B
B
B
B
B
O Chip Enable Signal
O PROM ADDRESS
O Access Enable Signal
B General Input/Output Port
B
B
TYPE
I:INPUT B:BIDIRECTION NC:NOT CONNECT O:OUTPUT P:POWER
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