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6.1 BR24L16F-W-X (IC771) : EEPROM
• Pin layout
VCC
A0
• Block diagram
A0
A1
A2
TE
L 13942296513
GND
6.2
IC-PST600M/G/-W (IC702) : System reset
6.3
LB1641 (IC402) : DC Motor driver
• Pin layout
www
.
1
2
3
GND OUT1 P1
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DESCRIPTION OF MAJOR ICs
WP
SCL
SDA
A1
A2
GND
1
11bit
Address
2
decoder
START
3
Control circuit
4
High voltage osc circuit
Co1
x
ao
y
i
4
5
6
7
8
9
IN2 VCC1 VCC2 P2
OUT2
VZ
IN1
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SECTION 6
8
• Pin function
Symbol
VCC
GND
A0,A1,A2
SCL
SDA
WP
16kbit EEPROM allay
Slave Ward
11bit
Address resister
STOP
Q Q
3
6 7
1 3
ACK
Power supply
voltage det.
OP1
• Truth table
Input
IN1
IN2
u163
0
0
1
0
.
10
0
1
1
1
2 9
9 4
2 8
I/O
Function
-
Power supply.
-
GND
I
No use connect to GND.
I
Serial clock input.
I/O Serial data I/O of slave and ward address.
I
Write protect terminal.
8
Vcc
8bit
Data
7
WP
resister
6
SCL
1 5
0 5
8
2 9
9 4
5
SDA
1
IN
3
Vout
2
GND
Output
m
OUT1
OUT2
co
0
0
1
0
CLOCKWISE
0
1
COUNTER-CLOCKWISE
0
0
9 9
2 8
9 9
Mode
Brake
Brake
(No.49875)1-25
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