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• DYW1389 ( IC605: MAIN UNIT)
•ROM
• Pin Arrangement ( Top View )
• Pin Function
No.
Pin Name
1
N.C.
2
VPP
3
CE
4
1/015
5
1 /014
6
1/013
7
1 /012
8
1/011
9
1/010
10 1/09
11
1/08
12
vss
13
N.C.
14 1/07
15 1/06
16 1 /05
17 1/04
18 1 /03
19 1 /02
20 1/01
21
1 /00
22 OE
1
/
012
1
/
011
1
/
010
Non
connection.
Function
Program power
supply.
Chip enable.
Data input/output.
Ground.
Non
connection.
Data input/output.
Output enable.
1
DR- R504X
No.
Pin Name
Function
23
N.C.
Non
connection.
24 AO
25 A1
26 A2
27 A3
28
A4
Address input.
29 AS
30 A6
31
A7
32 AB
33
N.C.
Non connection.
34
vss
Ground.
35 A9
36 A10
37 A11
38 A12
Address
input.
39 A13
40 A14
41
A15
42
N.C.
Non
connection.
43
PGM
Program enable.
-
44
vcc
Power supply voltage.
49
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