Read Sharp GX-BT3 (serv.man4) Service Manual online
GX-BT7
4 – 6
IC601 VHIBR24T08F-1 : EEPROM
Internal Block Diagram
Figure 4-2: Block Diagram
Figure 4-3: Pin Configuration
Pin Descriptions
Terminal
Name
Input/
Output
Descriptions
A0
-
Don’t use
(1)
A1
-
Don’t use
(1)
A2
Input
Slave address setting
GND
-
Reference voltage of all input / output, 0V
SDA
Input/
Output Serial data input serial data output
SCL
Input
Serial clock input
WP
Input
Write protect terminal
VCC
-
Connect the power source
(1) Pins not used as device address may be set to any of ‘H’, ‘L’, and ‘Hi-Z’.
2
5
6
V
cc
SCL
GND
1
3
4
7
8
WP
SDA
A2
A1
A0
8
7
6
5
4
3
2
1
SDA
SCL
WP
VCC
GND
A2
A1
A0
Address
Decoder
Word
Address Register
Address Register
Data
Register
Control Circuit
High Voltage
Generating Circuit
Power Source
Voltage Detection
8bit
ACK
START
STOP
8Kbit EEPROM Array
10bit
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