ST7541 Datasheet, PDF (33/78 Pages) Sitronix Technology Co., Ltd. – 4 Gray Scale Dot Matrix LCD Controller/Driver

ST7541
COMMAND TABLE
Instruction
Mode Set
Read display data
Write display data
Read status
ICON control ON/OFF
Set page address
Set column address MSB
Set column address LSB
Set Read-modify-Write
Reset Read-modify-Write
Display ON/OFF
Set Initial Display Line
Set Initial COM0
Set Partial Display Duty
Set N-line Inversion
Release N-line Inversion
Reverse Display ON/OFF
Entire Display ON/OFF
A0 R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Description
0
0
0
0
1
1
1
0
0
0
0 FR3 FR2 FR1 FR0 0
BE
x'
0 ^{2-byte command}
Set FR (Frame Rate) and
0 _{BE (Booster Efficiency)}
1
1
Read data
Read data into DDRAM
1
0
Write data
Write data into DDRAM
0
1 BUSY ON RES MF2 MF1 MF0 DS1 DS0 Read the internal status
ICON=0: ICON disable
0
0
1
0
1
0
0
0
1 ICON ICON=1: ICON enable & set
page address to 16
0
0
1
0
1
1
P3 P2 P1
P0 Set page address
0
0
0
0
0
1
0
Y7 Y6
Y5 Set column address MSB
0
0
0
0
0
0
Y4 Y3 Y2
Y1 Set column address LSB
DDRAM address control:
0
0
1
1
1
0
0
0
0
0 Read: No change
Write: column address +1
0
0
1
1
1
0
1
1
1
0 Release read-modify-write
D=0: Display OFF
0
0
1
0
1
0
1
1
1
D
D=1: Display ON
0
0
0
1
0
0
0
0
x'
x' ^{2-byte command}
Specify the initial display line
0
0
x' S6 S5 S4 S3 S2 S1
S0 _{to realize vertical scrolling}
0
0
0
1
0
0
0
1
x'
x' ^{2-byte command}
Specify the first COM0 to
0
0
x' C6 C5 C4 C3 C2 C1
C0 _{move display window}
0
0
0
1
0
0
1
0
x'
x' 2-byte command
0
0 L7 L6 L5 L4 L3 L2 L1
L0 Set partial display line number
0
0
0
1
0
0
1
1
x'
x' 2-byte command
0
0
x'
x'
x' N4 N3 N2 N1 N0 Set N-line inversion register
0
0
1
1
1
0
0
1
0
0 Exit N-line inversion mode
REV=0: normal display
0
0
1
0
1
0
0
1
1 REV
REV=1: reverse display
EON=0: normal display
0
0
1
0
1
0
0
1
0 EON
EON=1: entire display ON
Ver 1.9
33/78
2007/9/3