Pioneer MAC-V700 Service Manual page 86

MAC-V700
DYW1606 (IC1020: HMCB BOARD ASSY)
Flash Memory IC
Block Diagram
Pin Function
No. Pin Name
1 N.C
2 RY/BY RY/BY Output
3 N.C
4 A7
5 A6
6 A5
7 A4 Address Input Terminal
8 A3
9 A2
10 A1
11 A0
12 CE Chip Enable
13 Vss Ground
14 OE Output Enable
15 DQ0
16 DQ8
17 DQ1
18 DQ9 Data Input/Output Terminal
19 DQ2
20 DQ10
21 DQ3
22 DQ11
86
Vcc
RY/BY
Vss
BUFFER
WE
BYTE
Controll Circuit
REST
CE
OE
Low Vcc Det.
Circuit
A0-A18
A-1
Description
RY/BY
Erace
Circuit
Write Circuit
Chip Enable and
Output Enable Circuit
Y Decoder
STB
Write/Erace
Pulse Timer
X Decoder
No. Pin Name
23 Vcc +5V Power-Supply
24 DQ4
25 DQ12
26 DQ5
27 DQ13
28 DQ6 Data Input/Output Terminal
29 DQ14
30 DQ7
31 DQ15
32 Vss Ground
33 BYTE 8bit , 16bit Mode Select
34 A16
35 A15
36 A14
37 A13
38 A12
39 A11 Data Input/Output Terminal
40 A10
41 A9
42 A8
43 WE Write Enable
44 RESET Reset
DQ0-DQ15
Input/Output
Buffer
Data Latch
Y Gate
2,097,152
bits
Cell Matrix
Description