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KD-LH70R
QQ
4.2 BR24C32F-X (IC771) : EEPROM
3 7 63 1515 0
• Pin layout
Vdd
A0
• Block diagram
A0
A1
A2
GND
TE
L 13942296513
4.3 GP1UM261XK (IC602) : Receiver
• Pin layout
• Block diagram
www
1-24 (No.49803)
http://www.xiaoyu163.com
WPIN
SCL
SDA
A1
A2
GND
1
11bit
Address
2
11bit
decoder
START
3
Control circuit
4
High voltage osc circuit
Vout
GND
Vcc
Amp
Limiter
x
ao
y
.
i
http://www.xiaoyu163.com
8
• Pin function
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 word address.
WPIN
I
Write protect terminal.
16kbit EEPROM allay
Slave Word
Address resister
STOP
ACK
Power supply
voltage det.
Q Q
3
6 7
1 3
B.P.F.
Demodulator
u163
.
2 9
9 4
2 8
Function
8
Vdd
8bit
Data
7
WPIN
resister
6
SCL
5
SDA
1 5
0 5
8
2 9
Integrator
Comparator
m
co
GND Vdd Vout
9 9
9 4
2 8
9 9
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