S1D15E06 Series
(26) Step-up CK Frequency Select
This command selects the step-up CK and step-down CK frequencies.
E
RD
R/W
WR
A0
0
D7
0
D6
1
D5
0
D4
0
D3
0
D2
0
D1
0
D0
1
1
1
0
0
Command
Register
1
*
P6
P5
P4
*
P2
P1
P0
*: denote invalid bits.
(fosc/32) is set after resetting.
Step-up CK
P6
–
P5
–
P4
–
P2
0
P1
1
P0
1
Step-up CK
fOSC/8
–
–
–
–
–
–
–
–
–
1
0
0
fOSC/16
–
–
–
1
0
1
fOSC/32
↓
1
1
0
fOSC/64
–
–
–
–
–
1
1
1
fOSC/128
It should not use the following. (P2, P1, P0) = (0, 0, 0) , (0, 0, 1) , (0, 1, 0)
Step-down CK
*
–
–
–
P6
0
P5
1
P4 *000 P2
P1
–
P0
–
Step-down CK
fOSC/8
1
0
1
0
1
–
–
–
–
–
–
1
0
–
–
fOSC/16
1
0
–
–
fOSC/32
1
1
↓
fOSC/64
–
1
1
–
–
–
–
fOSC/128
It should not use the following. (P6, P5, P4) = (0, 0, 0) , (0, 0, 1) , (0, 1, 0)
* For S1D15E06D00B , the step-down CK register is disabled.
*
(27) Liquid Crystal Drive Voltage Select
The liquid crystal drive voltage range issued from the liquid crystal drive voltage regulating circuit is selected from 3
states by this command.
E
RD
R/W
WR
VC voltage
output range
A0
0
D7
0
D6
0
D5
1
D4
0
D3
1
D2
0
D1
1
D0
1
1
1
0
0
Command
Register
1
*
*
*
*
*
*
P1
P0
*: denote invalid bits.
VC voltage
output range
P1
0
P0
0
1.77 to 3.50 V
2.53 to 5.00 V
3.54 to 7.00 V
1
0
1
1
VC voltage output range, 1.77 to 3.50V, (D1, D0) = (0, 0) is set after resetting.
40
EPSON
Rev. 2.1
EPSON [ EPSON COMPANY ]
