1-7. Instruction Table
I nstruction
RS RW BD7 DB6 DB5
DB4
DB3 DB2 DB1 DB0
Description
Display ON/OFF
0 0 1 0 1
0
1 1 1 DON
Turn on/off LCD panel
when DON=0: display OFF
when DON=1: display ON
Initial display line
0 0 0 1 ST5 ST4
ST3 ST2 ST1 ST0
Specify DDRAM line f or COM0
Set page adder ss
0 0 1 0 1
1
P3 P2 P1 P0
Set page address
Set column address MSB 0 0 0 0 0
1
Y7 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
Read status
0 1 BUSY ADC ONOFF RESETB
0 0 0 0
Read the internal status
Write display data
1 0
Write data
Write datainto DDRAM
Read display data
1 1
Read data
Read data from DDRAM
ADC select
0 0 1 0 1
0
0 0 0 ADC
Select SE G output direction When
ADC=0: nor mal direction(SE G0- SE G131)
W hen ADC=1: r everse direction
(SE G131-SE G0)
Reverse display ON/OFF 0 0 1 0 1
0
0 1 1 REV
Select normal/reverse display When
RE V=0: nor mal display W hen RE V=1:
reverse display
Entire display ON/OFF 0 0 1 0 1
0
0 1 0 EON Select normal/entire display ON When
E ON=0: normal display W hen EON=1:
entire display ON
LCD bias select
0 0 1 0 1
0
0 0 1 BIAS
Select LCD 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
SHL select
0 0 1 1 0
0
SHL * *
*
Select COM output direction When
SHL =0: normal direction(COM 0-C OM 63)
W hen SHL =1: r everse direction
(COM6 3-COM0 )
Power control
0 0 0 0 1
0
1 VC VR VF
Control power circuit operation
Regulator resistor select 0 0 0 0 1
0
0 R2 R1 R0
Select internalresistance ratio of the
regulatorresistor
Set reference voltage mode 0 0 1 0 0
0
0 0 0 1
Set reference voltage mode
Set reference voltage register 0 0 * *
SV5
SV4
SV3 SV2 SV1 SV0
Set reference voltage register
Set static indicatormode 0 0 1 0 1
0
1 1 0 SM
Set static indicatormode
Set static indicatorregister 0 0 * *
*
*
* * S1 S0
Set static indicatorregister
Power save
Compound instruction of display OFF
and entire display ON
NOP 0
0 1 1 1
0
0 0 1 1
Non-Operation command
Test instruction-1
0 0 1 1 1
1
***
*
Don't use this instruction
Test instruction-2
0 0 1 0 0
1
***
*
Don't use this instruction
AZ DISPLAYS, INC.
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