
16. Common Output State Selection
Selects the scan direction for the COM output pins.
The common signals are output sequentially in the scan direction selected with this command from the selected frame
start position for the specified display start common setting.
17. Power Control Set
Specifies the functions of the power supply circuit. See the functional description in the “Power Supply Circuit” section
for details.
18. V
1
Voltage Adjustment Internal Resistor Ratio Set
Sets the V
1
voltage adjustment internal resistor ratio. The four bits of this setting are specified using two consecutive
commands: one to set the upper 2 bits, and the other to set the lower 2 bits.
No. 6853-25/34
LC73101C
A0
RD
WR
D7
D6
D5
D4
D3
D2
×
D1
×
D0
×
Selected state
0
1
0
1
1
0
0
0
Normal: COM0
→
COM79
Inverted: COM79
→
COM0
1
A0
RD
WR
D7
D6
D5
D4
D3
D2
D1
D0
Selected state
0
1
0
0
0
1
0
1
0
Step-up circuit: Off
1
Step-up circuit: On
0
V adjustment circuit: Off
1
V adjustment circuit: On
0
V/F circuit: Off
1
V/F circuit: On
(V/F circuits: Voltage follower circuit; V adjustment circuit: voltage adjustment circuit)
A0
RD
WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
0
0
1
0
0
1
V3
V2
0
0
1
0
0
0
V1
V0
V3
V2
V1
V0
1 + Rb/Ra
0
0
0
0
1.5
0
0
0
1
2.0
0
0
1
0
2.5
0
0
1
1
3.0
0
1
0
0
3.5
0
1
0
1
4.0
0
1
1
0
4.5
0
1
1
1
5.0
1
0
0
0
5.5
1
0
0
1
6.0
1
0
1
0
6.5