1-39
KD-SX992R/KD-SX921R
Vdd
WPIN
SCL
SDA
A0
A1
A2
GND
8 Vdd
7 WPIN
6 SCL
5 SDA
A0 1
A1 2
A2 3
GND 4
16kbit EEPROM allay
11bit
11bit
8bit
Address
decoder
Slave Ward
Address resister
Data
resister
START
STOP
ACK
Control circuit
High voltage osc circuit
Power supply
voltage det.
Vdd
GND
A0,A1,A2
SCL
SDA
WPIN
-
-
I
I
I/O
I
Power supply.
GND
No use connect to GND.
Serial clock input.
Serial data I/O of slave and ward address.
Write protect terminal.
Symbol I/O
Function
BR24C16F-X (IC771) : EEPROM
1. Pin layout
3. Block diagram
2. Pin function
IN
Vout
OUT
1
3
2
OP1
IC-PST600M/G/-W (IC702) : System reset
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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
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TEL 13942296513 QQ 376315150 892498299