
S6B0728 PRELIMINARY SPEC. VER. 0.1 132 SEG / 128 COM DRIVER & CONTROLLER FOR STN LCD
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INSTRUCTION DESCRIPTION
Table 17. Instruction Table
×
: Don’t care
Instruction
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Description
Read display data
Write display data
Read status
Set page address
Set column address MSB
Set column address LSB
Set modify-read
Reset modify-read
1
1
0
0
0
0
0
0
1
0
1
0
0
0
0
0
Read data
Write data
RES
1
1
0
0
0
Read data from DDRAM
Write data into DDRAM
Read the internal status
Set page address
Set column address MSB
Set column address LSB
Set modify-read mode
release modify-read mode
D = 0: display OFF
D = 1: display ON
2-byte instruction to specify the
initial display line to realize
vertical scrolling
2-byte instruction to specify the
initial COM0 to realize window
scrolling
2-byte instruction to set partial
display duty ratio
BUSY
1
0
0
1
1
ADC
0
0
0
1
1
ON
1
0
0
1
1
0
0
0
0
P3
Y7
Y3
0
1
P2
Y6
Y2
0
1
P1
Y5
Y1
0
1
P0
Y4
Y0
0
0
Display ON / OFF
0
0
1
0
1
0
1
1
1
D
0
0
0
1
0
0
0
0
×
×
Set initial display line
register
0
0
×
0
S6
S5
S4
S3
S2
S1
S0
0
0
1
0
0
0
1
×
×
Set initial COM0 register
0
0
×
0
C6
C5
C4
C3
C2
C1
C0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
×
×
Set partial display
duty ratio
D7
0
×
1
D6
1
×
1
D5
0
×
1
D4
0
N4
0
D3
1
N3
0
D2
1
N2
1
D1
×
N1
0
D0
×
N0
0
Set N-line inversion
2-byte instruction to set n-line
inversion register
Release N-line inversion
Release N-line Inversion mode
REV = 0: normal display
REV = 1: reverse display
EON = 0: normal display
EON = 1: entire display ON
Control power circuit operation
Select the step-up of the internal
voltage converter
Select internal resistance ratio of
the regulator resistor
2-byte instruction to specify the
electronic volume register
Reverse display ON / OFF
0
0
1
0
1
0
0
1
1
REV
Entire display ON / OFF
0
0
1
0
1
0
0
1
0
EON
Power control
0
0
0
0
1
0
1
VC
VR
VF
Select DC-DC step-up
0
0
0
1
1
0
0
DC2
DC1
DC0
Select regulator resistor
0
0
0
0
1
0
0
R2
R1
R0
0
0
0
0
0
0
1
×
0
0
×
1
0
0
0
0
0
1
Set electronic volume
register
EV5
0
EV4
1
EV3
0
EV2
B2
EV1
B1
EV0
B0
Select LCD bias
Select LCD bias
COM bi-directional selection
SHL = 0: normal direction
SHL = 1: reverse direction
SEG bi-directional selection
ADC = 0: normal direction
ADC = 1: reverse direction
Start the built-in oscillator
Power save mode
Release power save mode
Set DDL register in 3-pin serial
mode
Initialize the internal functions
No operation
Don't use this instruction.
SHL select
0
0
1
1
0
0
SHL
×
×
×
ADC select
0
0
1
0
1
0
0
0
0
ADC
Oscillator ON start
Set power save mode
Release power save mode
0
0
0
0
0
0
1
1
1
0
0
1
1
1
1
0
0
0
1
1
0
0
0
0
1
0
0
1
1
1
Set DDL register
0
0
0
1
1
1
0
0
0
0
Reset
NOP
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
0
1
0
0
×
0
0
×
1
1
×
0
1
×
Test instruction