S6B0717
55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD
33
INSTRUCTION DESCRIPTION
Table 18. Instruction Table
×
: Don’t care
Description
Instruction
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Read display data
1
1
Read data
Read data from DDRAM
Write display data
1
0
Write data
Write data into DDRAM
Read status
0
1
BUSY
ADC
ON/OFF
RESETB
0
0
0
0
Read the internal status
Turn ON / OFF LCD panel
When DON = 0: display OFF
When DON = 1: display ON
Display ON / OFF
0
0
1
0
1
0
1
1
1
DON
Initial display line
Set reference voltage
mode
Set reference voltage
register
Set page address
0
0
0
1
ST5
ST4
ST3
ST2
ST1
ST0
Specify DDRAM line for COM0
0
0
1
0
0
0
0
0
0
1
Set reference voltage mode
0
0
×
×
SV5
SV4
SV3
SV2
SV1
SV0
Set reference voltage register
0
0
1
0
1
1
P3
P2
P1
P0
Set page address
Set column address MSB
0
0
0
0
0
1
0
Y6
Y5
Y4
Set column address MSB
Set column address LSB
0
0
0
0
0
0
Y3
Y2
Y1
Y0
Set column address LSB
Select SEG output direction
When ADC = 0: normal direction
(SEG0
→
SEG99)
When ADC = 1: reverse direction
(SEG99
→
SEG0)
Select normal / reverse display
When REV = 0: normal display
When REV = 1: reverse display
Select normal entire display ON
When EON = 0: normal display.
When EON = 1: entire display
ON
Select LCD bias
ADC select
0
0
1
0
1
0
0
0
0
ADC
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
LCD bias select
0
0
1
0
1
0
0
0
1
BIAS
Set modify-read
0
0
1
1
1
0
0
0
0
0
Set modify-read mode
Reset modify-read
0
0
1
1
1
0
1
1
1
0
release modify-read mode
Reset
0
0
1
1
1
0
0
0
1
0
Initialize the internal functions
Select COM output direction
When SHL = 0: normal direction
(COM0
→
COM53)
When SHL = 1: reverse direction
(COM53
→
COM0)
Control power circuit operation
SHL select
0
0
1
1
0
0
SHL
×
×
×
Power control
0
0
0
0
1
0
1
VC
VR
VF
Regulator resistor select
0
0
0
0
1
0
0
R2
R1
R0
Select internal resistance ratio of
the regulator resistor
Set static indicator mode
0
0
1
0
1
0
1
1
0
SM
Set static indicator mode
Set static indicator register
0
0
×
×
×
×
×
×
S1
S0
Set static indicator register
Compound instruction of display
OFF and entire display ON
Don't use this instruction.
Power save
-
-
-
-
-
-
-
-
-
-
Test instruction
0
0
1
1
1
1
×
×
×
×