參數(shù)資料
型號(hào)： LC74783
廠商： Sanyo Electric Co.,Ltd.
英文描述： On-Screen Display Controller LSI for VCR Products(用于錄象機(jī)的屏幕顯示控制器的大規(guī)模集成電路（LSI）)
中文描述： 屏幕顯示控制器芯片的錄像機(jī)產(chǎn)品（用于錄象機(jī)的屏幕顯示控制器的大規(guī)模集成電路（LSI）的）
文件頁(yè)數(shù)： 7/15頁(yè)
文件大?。?/td> 181K
代理商： LC74783
Display Control Commands
The display control commands have a serial input format with 8-bit units. A command consists of a command identifier
code in the first byte and data in the second and subsequent bytes. There are eight commands as listed below.
x
COMMAND0: Display memory (VRAM) write address setup command
y
COMMAND1: Display character data write command
z
COMMAND2: Vertical display start position and vertical character size setup command
{
COMMAND3: Horizontal display start position and horizontal character size setup command
|
COMMAND4: Display control setup command
}
COMMAND5: Display control setup command
~
COMMAND6: Synchronization signal detection setup command

COMMAND7: Display control setup command
Display Control Command Table
Once written, the command identifier code in the first byte is stored until the next first byte is written. However, when
the display character data write command (COMMAND1) is written, the LC74783/M locks into the display character
data write mode, and another first byte cannot be written.
When a high level is input to the CS pin, the LC74783/M is set to COMMAND0 (display memory write address setup
mode).
No. 4990-7/15
LC74783, 74783M
First byte
Second byte
Command
Command identification code
Data
Data
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
COMMAND0
(Set write address)
1
0
0
0
V3
V2
V1
V0
0
0
0
H4
H3
H2
H1
H0
COMMAND1
(Write character)
1
0
0
1
0
0
0
at
0
c6
c5
c4
c3
c2
c1
c0
COMMAND2
(Set vertical display start position
and vertical character size)
1
0
1
0
VS
21
VS
20
VS
11
VS
10
0
FS
VP
5
VP
4
VP
3
VP
2
VP
1
VP
0
COMMAND3
(Set horizontal display start position
and horizontal character size)
1
0
1
1
HS
21
HS
20
HS
11
HS
10
0
LC
HP
5
HP
4
HP
3
HP
2
HP
1
HP
0
COMMAND4
(Display control)
1
1
0
0
TST
MOD
RAM
ERS
OSC
STP
SYS
RST
0
BLK
2
BLK
1
BLK
0
BK
1
BK
0
RV
DSP
ON
COMMAND5
(Display control)
1
1
0
1
NP
1
NP
0
NON
INT
0
0
HLF
INT
BCL
CB
PH
2
PH
1
PH
0
COMMAND6
(Synchronization signal detection)
1
1
1
0
MOD
1
MOD
0
DIS
LIN
MUT
0
RN
2
RN
1
RN
0
SN
3
SN
2
SN
1
SN
0
COMMAND7
(Display control)
1
1
1
1
EX
1
PD
1
EX
0
PD
0
0
CIN
SEL
CIN
CTL
VNP
SEL
VSP
SEL
MSK
ERS
MSK
SEL
EGL
相關(guān)PDF資料
PDF描述
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