KD-SX9350,KD-SX990
1-28 (No.49781)
4.2 BR24C01AFV-W-X (IC502) : EEPROM
• Pin layout
• Block diagram
• Pin function
*1 An open drain output requires a pull-up resister.
A0
A1
A2
GND
Vcc
WP
SCL
SDA
A0
A1
A2
GND
1
2
3
4
Vcc
WP
SCL
SDA
8
7
6
5
1kbit EEPROM ARRAY
7bit
ADDRESS
DECODER
SLAVE/WORD
ADDRESS REGISTER
7bit
8bit
DATA
REGISTER
CONTROL LOGIC
HIGH VOLTAGE GEN.
Vcc LEVEL DETECT
ACK
START
STOP
Pin name
I/O
Description
Vcc
-
Power supply
GND
-
Ground (0v)
Slave address set
Serial clock input
Slave and word address, serial data input, serial data output *1
Write protect input
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9
2
8
9
4
2
9
8
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9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
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