LC74731 Sanyo Semicon Device, LC74731 Datasheet - Page 10

• Manufacturer Part Number: LC74731
• Description: On-Screen Display Controller
• Manufacturer: Sanyo Semicon Device

Display Control Commands
Display control commands have an 8-bit format and are transferred using the serial input function. Commands consist of
a command identification code in the first byte and command data in the following bytes.
Display Control Commands
Note that when the display character data write command (COMMAND1) is written, tthese ICs lock into the display character data write mode, and another
first byte cannot be written.
When the CS pin is set high, the these ICs are set to the COMMAND0 (display memory write address setup mode) state.
COMMAND0
(Write address setup)
COMMAND1 (Character write)
COMMAND20
(Vertical display start position)
COMMAND21
(Horizontal display start position)
COMMAND22
(Character size)
COMMAND23
(Character size - in line units)
COMMAND3
(Display control)
COMMAND4
(Display control)
COMMAND50
(Sync signal detection 1)
COMMAND51
(Sync signal detection 2)
COMMAND52
(Display control)
COMMAND53
(Display control)
COMMAND60
(Outlining setting)
COOMAND61
(Outlining setting - in line units)
COMMAND62
(Line spacing)
COMMAND63
(Line spacing - in line units)
COMMAND70
(Display level)
COMMAND71
(Display level - in line units)
COMMAND72
(Halftone - in line units)
COMMAND73
(RGB control)
Command
Command identification code
7
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
5
0
0
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
1
1
1
LC74731W,74732W
First byte
4
0
1
0
0
0
0
1
0
1
1
1
1
0
0
0
0
1
1
1
1
TSTMOD RAMERS OSCSTP SYSRST
NP2
V3
IR
3
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
SD2
NP1
V2
2
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Data
DISLIN I/E
EVEBSS LSPSS
LHTDAT LHTUD
RRM1 RRM0
MUT1 MUT0
RSLG1 RSLG0
SD1
NP0
V1
1
0
0
0
0
0
0
0
0
0
0
LSZUD
LFCUD
LGYUD
LCLUD
GRM
SRM
BRM
LRM
SD0
V0
I/N
0
0
0
at2
C7
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
HLFINT BCL1 BCL0
LCSOFF XN53S BLKSEL
BXBLV1 BXBLV0 BXWLV1 BXWLV0 ATSEL
DASSS
CINSEL
HP6
RN2
VP6
at1
C6
O
O
6
0
0
0
0
0
0
0
0
0
0
RNE0 SJN3 SJN2 SJN1 SJC1 SJC0
LHTB5 LHTA4 LHT93 LHT82 LHT71 LHT60
BXC1 GS1
LSZB5 LSZA4 LSZ93 LSZ82 LSZ71 LSZ60
LFCB5 LFCA4 LFC93
LGYB5 LGYA4
BKLC1 BKLC0 CHLC1 CHLC0 RSLC1 RSLC0
LCLB5 LCLA4
GBSEL OUTSEL HSPSW XONSS
CINCTL
RN1
CB2
VP5
HP5
CTL3
C5
5
0
0
0
SPOSEL PALAL4
VNPSEL VSPSEL MSKERS MSKSEL EGLSEL
Second byte
CB1
VP4
HP4
RN0
C12
H4
C4
4
0
Data
LGY93
LCL93
CB0
HP3
SN3
GS0
C11
VP3
VS1
H3
C3
LC
CB
3
LFC82
LGY82
LCL82
CC2
IHSEL
GY2
C10
VP2
HP2
VS0
PH2
SN2
H2
C2
FS
2
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VSSEL
LFC71
LGY71
LCL71
BLK01
CC1
VP1
HP1
HS1
PH1
SN1
GY1
BLK1
H1
C9
C1
BK
1
DSPON
LFC60
LGY60
LCL60
HSSEL
CC0
HP0
HS0
PH0
SN0
GY0
BLK00
VP0
BLK0
H0
C8
C0
0