ST7565V Sitronix Technology, ST7565V Datasheet - Page 47
ST7565V
Manufacturer Part Number
ST7565V
Description
65 x 132 Dot Matrix LCD Controller/Driver
Manufacturer
Sitronix Technology
Datasheet
1.ST7565V.pdf
(72 pages)
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ST7565V
Power Controller Set
This command sets the power supply circuit functions. See the function explanation in “The Power Supply Circuit,” for details
V5 Voltage Regulator Internal Resistor Ratio Set
This command sets the V
Regulator circuit " and table 11 .
The Electronic Volume (Double Byte Command)
This command makes it possible to adjust the brightness of the liquid crystal display by controlling the LCD drive voltage V5
through the output from the voltage regulator circuits of the internal liquid crystal power supply. This command is a two byte
command used as a pair with the electronic volume mode set command and the electronic volume register set
command, and both commands must be issued one after the other.
The Electronic Volume Mode Set
When this command is input, the electronic volume register set command becomes enabled. Once the electronic volume
mode has been set, no other command except for the electronic volume register command can be used. Once the electronic
volume register set command has been used to set data into the register, then the electronic volume mode is released.
Ver 1.5b
A0
0
A0
0
A0
0
/RD /WR
/RD /WR
/RD /WR
E
E
E
1
1
1
R/W
R/W
R/W
0
0
0
D7 D6 D5 D4 D3 D2 D1 D0
0
D7 D6 D5 D4 D3 D2 D1 D0
0
D7 D6 D5 D4 D3 D2 D1 D0
1
5
voltage regulator internal resistor ratio. For details, see the function explanation is “The Voltage
0
0
0
1
1
0
0
0
0
1
0
0
1
0
0
0
0
0
1
1
0
1
0
0
0
1
1
1
0
1
1
0
1
0
1
1
Booster circuit: OFF
Booster circuit: ON
Voltage regulator circuit: OFF
Voltage regulator circuit: ON
Voltage follower circuit: OFF
Voltage follower circuit: ON
47/72
Selected Mode
Rb/Ra Ratio
Small
Large
2009/09/14
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