JVC KD-SH99 Service Manual page 41

QQ
3 7 63 1515 0
BR24C16F-X (IC703) : EEPROM
1. Pin layout
Vdd WPIN
A0 A1
3. Block diagram
A0 1
A1 2
A2 3
TE
L 13942296513
GND 4
High voltage osc circuit
IC-PST9333U-X (IC702) : Reset IC
1. Pin layout
NC 1
2
GND
www
3. Pin function
Pin No.
. 1
2
3
4
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2. Pin function
SCL SDA
A2 GND
16kbit EEPROM allay
11bit
Address
Slave Ward
11bit
decoder
Address resister
STOP
START
Control circuit
Power supply
voltage det.
2. Block diagram
NC 4 Vcc
Vcc
3
GND VOUT
NC
x ao
y
Function
Symbol
i Non connect
NC
GND terminal
GND
VOUT
Reset signal output terminal
Vcc
Power supply terminal
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8
Symbol I/O
Vdd - 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.
WPIN I Write protect terminal.
8bit
Data
resister
ACK
Q Q
3 6 7 1 3
4
1
u163
.
2 9 9 4 2 8
Function
8 Vcc
7 WP
6 SCL
1 5 0 5 8 2 9 9 4
5 SDA
m
co
KD-SH99
9 9
2 8 9 9
3
VOUT
2 GND
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