JVC KD-SH9101 Service Manual page 39

QQ
3 7 63 1515 0
4.5 BR24L32F-W-X (IC703) : EEPROM
• Pin layout
Vcc
A0
• Block diagram
A0
A1
A2
TE
L 13942296513
GND
4.6 BU4066BCFV-X (IC322,IC351) : Quad analog switch
• Pin layout & Block diagram
www
.
http://www.xiaoyu163.com
WP SCL SDA
A1 A2 GND
1
12bits
Address
2
12bits
decoder
START
3
Control logic
4
High voltage generator
VDD C1 C4
14 13 12
1 2 3
x ao
y
I/O1 O/I1 O/I2
i
http://www.xiaoyu163.com
8
• Block diagram
Symbol
A0A1A2
GND
SDA
SCL
WP
VCC
32kbit EEPROM array
Slave word
address register
STOP
ACK
Q Q
3 6 7 1 3
Vcc level detect
I/O4 O/I4
11 10
4 5
u163
I/O2 C2
.
2 9 9 4 2 8
I/O Function
I Slave address set
- Ground (0V)
I/O Slave and word address
Serial data input serial data output
I Serial clock input
I Write protect input
- Power supply
8 Vcc
8bits
Data
7 WP
register
6 SCL
1 5 0 5 8 2 9 9 4
5 SDA
O/I3 I/O3
9 8
m
6 7
co
C3 Vss
9 9
2 8 9 9
(No.49841)1-39