Pioneer AVH-P6800DVD Service Manual page 179

5
PD6541B
1
A15
A14 2
3
A13
4
A12
A11 5
A10
6
7
A9
A8 8
9
A19
10
A20
A-1 :Data output/Address input
A0-A20 :Address input
we
11
DQ0-D15 :Data input output
byte
:Mode select
reset
12
ce
:Chip enable input
oe
:Output enable input
RY/by
:Ready/Busy output
13
NC
reset
:Reset
ACC :Acc
ACC
14
VCC :Power supply
VSS :GND
RY/by
15
16
A18
A17
17
A7
18
19
A6
A5
20
A4
21
A3 22
A2
23
A1 24
BR93L56RFVM-W
VCC
8 7 6
1 2 3
CS
SK
DI
5
6
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
- Block Diagram
GND
5
Command decoder
Control
CS
Clock generation
SK
Command
DI
resistor
4
DO
Dummy bit
DO
AVH-P6800DVD/UC
6
7
TC7SH86FUS1
A16
1 IN B
byte
VSS
2 IN A
DQ15/A-1
DQ7
DQ14
3 GND
DQ6
DQ13
DQ5
DQ12
DQ4
VCC
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
oe
VSS
ce
A0
Power supply
voltage detection
Translation
not available
Address
7bit
buffer
Data
16bit
resistor
7
8
5 VCC
4 OUT Y
High-voltage
generating
Address
7bit
decoder
2,048
bit
EEPROM
R/W
16bit
amp
8
A
B
C
D
E
F
179