JVC MX-J570V Service Manual page 59

Hide thumbs Also See for MX-J570V:
Table of Contents

Advertisement

LHMN4RN5-X (IC105) : 4MB micro code
1.Terminal layout
1
32
A16
2
31
A15
3
30
A12
4
29
A7
5
28
A6
6
27
A5
7
26
A4
8
25
A3
9
24
A2
10
23
A1
11
22
A0
12
21
D0
13
20
D1
14
19
D2
15
18
VSS
16
17
3.Pin function
Symbol
Pin No.
1
2,3
A16,A15
4
A12
5~12
A7~0
13~15
D0~2
16
VSS
17~21
D3~7
22
CE
23
A10
24
OE
25
A11
26,27
A9,8
28,29
A13,14
30,31
A17,18
32
VDD
2.Block diagram
VDD
31
A18
A18
30
A17
2
A16
A17
3
A15
A14
29
A14
28
A13
A13
4
A12
A8
25
A11
23
A10
A9
26
A9
A11
27
A8
5
A7
OE
6
A6
A10
7
A5
8
A4
CE
9
A3
D7
10
A2
11
A1
D6
12
A0
D5
D4
D3
CE
22
DC
OE
24
I/O
Description
Non connect
-
Address input
I
Address input
I
Address input
I
Data output
O
Connect to GND
-
Data output
O
Chip enable input
I
Address input
I
Output enable input
I
Address input
I
Address input
I
Address input
I
Address input
I
Power supply
-
Timing
CE
generator
buffer
1
OE
buffer
32
16
VCC GND
MX-J570V/MX-J680V
Memory matrix
(524,288 8bit)
Column selector
Sense amplifier
Output buffer
13 14 15 17 18 19 20 21
D0 D1 D2 D3 D4 D5 D6 D7
1-59

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Mx-j680v

Table of Contents