KD-LH1150,KD-LH1100
(No.49817)1-27
SECTION 4
Description of major ICs
4.1 BR24C16F-X (IC703) : EEPROM
• Pin layout
• Pin function
• Block diagram
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 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.