
LC74736PT
No.A0569-11/106
Display Control Commands
The display control commands have serial input format that consists of 8-bit units transmitted LSB first. A commands
consists of a command identification code in the first byte and data in the second and following bytes. Both a first byte
and a second byte (16 bits) must be transmitted for each command. Commands 10, 11, 12, 6C1, and 701 set the IC to
continuous write mode. (Continuous write mode is cleared by setting the CS pin high.)
Display Control Command Table
First byte
Second byte
Command identification code data
Data
Command
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
COMMAND00
(Write address) Main 1: V
1
0
0
0
0
0
0
0
0
0
0
V14
V13
V12
V11
V10
COMMAND01
(Write address) Main 1: H
1
0
0
0
0
0
1
0
0
0
H15
H14
H13
H12
H11
H10
COMMAND02
(Write address) Main 2: V
1
0
0
0
0
1
0
0
0
0
0
V24
V23
V22
V21
V20
COMMAND03
(Write address) Main 2: H
1
0
0
0
0
1
1
0
0
0
H25
H24
H23
H22
H21
H20
COMMAND04
(Write address) Sub
1
0
0
0
1
0
0
0
SV1
SV0
0
0
0
0
SH1
SH0
COMMAND10
(Character write) Main 1
1
0
0
1
0
0
RM2 RM1[1]
[2]
[3]
[4]
[5]
HF1
HF0
at
BXS
BXL
BXR
BXU
CB3
CB2
CB1
CB0
CC3
CC2
CC1
CC0
0
CTB1 CTB0
I/E
MG1 MG0
RO1
RO0
0
0
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
C0
COMMAND11
(Character write) Main 2
1
0
0
1
0
1
RM2 RM1[1]
[2]
[3]
[4]
[5]
HF1
HF0
at
BXS
BXL
BXR
BXU
BXD
CB3
CB2
CB1
CB0
CC3
CC2
CC1
CC0
0
CTB1 CTB0
I/E
MG1 MG0
RO1
RO0
0
0
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
C0
COMMAND12
(Character write) Sub
1
0
0
1
1
0
RM2 RM1[1]
[2]
[3]
[4]
[5]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
CTB1 CTB0
I/E
MG1 MG0
RO1
RO0
0
0
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
C0
COMMAND20
(System control)
1
0
1
0
0
0
0
0
TST
TST
SYS
FRM
CT
SRM
MRM MRM
MD2 MD1
RST
ERS
ERS ERS
ER2 ERS1
COMMAND21
(Display control)
1
0
1
0
0
0
0
1
BK
BK
BK
BK
DSP DSP
DSP
DSP
12
02
11
01
BG
GS
GM2 GM1
COMMAND22
(I/O polarity control 1)
1
0
1
0
0
0
1
0
0
BLOP BLO
BLO
BLO
CKP
VIP
HIP
2
1
0
COMMAND23
(Screen background color)
1
0
1
0
0
0
1
1
DPM DPM BGC BGC
BGC BGC
BGC BGC
HC1
HC0
T1
T0
3
2
1
0
COMMAND24
(I/O polarity control 2)
1
0
1
0
0
1
0
0
DPM DPM
DA
SBG
GD
GD
GD CKOP
MD
VC
SEL
SL
2
1
0
Continued on next page.