JVC KD-LH3150 Service Manual page 30

KD-LH3150, KD-LH3100
QQ
3 7 63 1515 0
4.4 BR24C16F-X (IC703) : EEPROM
• Pin layout
VCC
A0
• Block diagram
A0
A1
A2
TE
GND
L 13942296513
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1-30 (No.49838)
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WP SCL SDA
A1 A2 GND
1
11bit
Address
2
11bit
decoder
START
3
Control circuit
4
High voltage osc circuit
x ao
y
. i
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8
• Pin function
Symbol I/O
VCC - Power supply.
GND - GND
A0, A1, A2 I No use connect to GND.
SCL I Serial clock input.
SDA I/O Serial data I/O of slave and ward address.
WP I Write protect terminal.
16kbit EEPROM allay
Slave Ward
Address resister
STOP
ACK
Power supply
Q Q
3 6 7 1 3
voltage det.
u163
.
2 9 9 4 2 8
Function
8 Vcc
8bit
Data
7 WP
resister
6 SCL
5 SDA
1 5 0 5 8 2 9
m
co
9 9
9 4 2 8 9 9