
1-23
KD-LH2000
A0
A1
A2
GND
1
2
3
4
Vcc
WPIN
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
BR24C01AFV-W (IC502) : EEPROM
1.Pin layout
2.Block diagram
3.Pin function
A0
A1
A2
GND
Vcc
WPIN
SCL
SDA
Function
SDA
WPIN
IN / OUT
IN
*1 An open drain output requires a pull-up resister.
Power supply
Ground (0v)
Slave address set
Serial clock input
Slave and word address,
serial data input, serial data output *1
Write protect input
Description of major ICs
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299