JVC RC-EX30B Service Manual page 12

RC-EX30
MX29F040PC (IC207):CMOS Flash Memory
1.Terminal layout 1.Terminal layout
1 32
2 31
3
30
4
29
5 28
6 27
7 26
8 25
9 24
10 23
11 22
12 21
13 20
14 19
15 18
16 17
3.Pin function
Pin No. Symbol
1 A18
2 A16
3 A15
4 A12
5 A7
6 A6
7 A5
8 A4
9 A3
10 A2
11 A1
12 A0
13 Q0
14 Q1
15 Q2
16 GND
17 Q3
18 Q4
19 Q5
20 Q6
21 Q7
22 CE
23 A10
24 OE
25 A11
26 A9
27 A8
28 A13
29 A14
30 A17
31 WE
32 VCC
12
CE
OE
WE
A0-A17
I/O Function
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I/O Data Input/Output
I/O Data Input/Output
I/O Data Input/Output
- Ground Pin
I/O Data Input/Output
I/O Data Input/Output
I/O Data Input/Output
I/O Data Input/Output
I/O Data Input/Output
I Chip Enable Input
I Adress Input
I Output Enable Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Adress Input
I Write Enable Input
- Single power supply
2.Block diagram 2.Block diagram
CONTROL
PROGRAM/ERASE
INPUT
HIGH VOLTAGE
HIGH VOLTAGE
LOGIC
MX29F400T/B
ADDRESS
FLASH
LATCH
ARRAY
AND
BUFFER
Y-PASS GATE
GATE Y-PASS
SENSE
AMPLIFIER
Q0-Q15/A-1 I/O BUFFER BUFFER I/O
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER
COMMAND
DATA
DECODER
PGM
DATA
HV
COMMAND
DATA
PROGRAM
LATCH
DATA
LATCH