JVC CH-X1000RF Service Manual page 34

Compact disc automatic changer
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BR24CO1AF(IC604):EP ROM
1.Terminal Layout
VCC TEST SCL SDA
BR24C01AF
A0
A1
A2
GND
3.Pin Function
Symbol
I/O
VCC
-
GND
-
A1 A2 A3
I
SCL
I
SDA
I/O
TEST
I
(*)
An open drain output requires a pull-up resistor.
                                                                                   1‑33
2.Block Diagrram
A 0
1
7bit
Address
A 1
2
Decoder
A 2
3
High Voltage Gen.
GND
4
Function
Puwer Supply
Ground(OV)
Slaves Address Set(Pin)
Serial Clock Input
Slaves and Word Address,Serial Data Input,
Serial Data Output(*)
Ground
1,024bit EEPROM Array
Slave Word
7bit
Address Register
START
STOP
Control logic
Vcc level detect
8 VCC
8bit
Data
7 TEST
Register
6 SCL
ACK
5 SDA

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