KD-SC900R
1-30 (No.49829)
4.3 BR24C16F-X (IC771) : EEPROM
• Pin layout • Pin function
• Block diagram
4.4 IC-PST600M/G/-W(IC702):Reset
VCC WP SCL SDA
A0 A1 A2 GND
Symbol I/O Function
VCC - 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 ward address.
WP I Write protect terminal.
8 Vcc
7 WP
6 SCL
5 SD
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.
IN
Vout
GND
1
3
2
OP1
Co1
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
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
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