Epson S1D15710D00B Series Technical Manual page 40

7. COMMAND DESCRIPTION
(15) Common Output State Selection
This command can select the scanning direction of the COM output pin. For details, see the Common Output State
Selection Circuit of "Function Description".
E R/W
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
0 1 0 1
(16) Power Control Set
This command sets the function of the power supply circuit. For details, see the Power Supply Circuit of "Function
Description".
E R/W
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
0 1 0 0
(V/F circuit: Voltage follower circuit, V adjusting circuit: voltage adjusting circuit)
(17) V Voltage Adjusting Built-in Resistance Ratio Set
5
This command sets the V
"Function Description".
E R/W
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
0 1 0 0
(18) Electronic Control (2-Byte Command)
This command controls the liquid crystal drive voltage V
crystal power supply and can adjust the light and shade of liquid crystal display.
Since this command is a 2-byte command that is used together with the electronic control mode set command and
electronic control register set command, always use both the commands consecutively.
• Electronic Control Mode Set
Entering this command validates the electronic control register set command. Once the electronic control mode is set,
the commands other than the electronic control register set command cannot be used. This state is reset after data is set
in the register using the electronic control register set command.
E R/W
A0 RD WR D7 D6 D5 D4 D3 D2 D1 D0
0 1 0 1
34
1 0 0 0 *
1
0 1 0 1 0
1
voltage adjusting built-in resistance ratio. For details, see the Power Supply Circuit of
5
0 1 0 0 0
0
0
1
1
0 0 0 0 0
Selected state
Normal rotation COM0 → COM63
* *
Reversal
Selected state
Boosting circuit: OFF
Boosting circuit: ON
0 V adjusting circuit: OFF
1 V adjusting circuit: ON
0 V/F circuit: OFF
1 V/F circuit: ON
Rb to Ra ratio
0 0 Small
0 1
1 0
↓ ↓
1 0
1 1 Large
output from the voltage adjusting circuit of the built-in liquid
5
0 1
EPSON
COM63 → COM0
*: Invalid bit
S1D15710 Series (Rev. 1.1c)