KD-SX947R
(No.49818)1-29
4.3 BR24C32F-X (IC771) : EEPROM
• Pin layout
• Pin function
• Block diagram
4.4 IC-PST600M/G/-W(IC702) : System reset
• Block diagram
Vdd
WPIN
SCL
SDA
A0
A1
A2
GND
Symbol
I/O
Function
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.
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 Word
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
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