參數(shù)資料
型號: LC74760M
元件分類: 畫面疊加
英文描述: ON-SCREEN DISPLAY IC, PDSO30
封裝: MFP30S
文件頁數(shù): 13/14頁
文件大?。?/td> 280K
代理商: LC74760M
3
COMMAND2: Vertical Display Position Setting Command
First byte
Register content
DA0 to DA7
Register name
State
Function
Note
7—
1
6—
0
The command 2 identification code:
5—
1
sets the vertical display position.
4—
0
3
SZ21
0
1
Character size for the second line
2
SZ20
0
1
SZ11
0
1
Character size for the first line
0
SZ10
0
1
Second byte
Register content
DA0 to DA7
Register name
State
Function
Note
7—
0
Second byte identification code
6—
0
5
VP5
0
The vertical display start position is given by
(MSB)
1
4
VP4
0
1
where H is the horizontal synchronization pulse period.
3
VP3
0
The six bits VP0 to VP5 specify the
1
vertical display start position.
2
VP2
0
The weight of the lsb is 1 × H.
1
VP1
0
1
0
VP0
0
(LSB)
1
Note: When the chip is reset by the RST pin, the register states (bits) are all cleared to 0.
4
COMMAND3: Horizontal Display Position Setting Command
First byte
Register content
DA0 to DA7
Register name
State
Function
Note
7—
1
6—
0
The command 3 identification code:
5—
1
sets the horizontal display position.
4—
1
3
SZB1
0
1
The character size for the eleventh line.
2
SZB0
0
1
SZ91
0
1
The character size for the ninth line.
0
SZ90
0
1
No. 4453-8/14
LC74760, 74760M
SZ20
SZ21
01
0
Normal size
Double size
1
Triple size
Normal size
SZ10
SZ11
01
0
Normal size
Double size
1
Triple size
Normal size
SZB0
SZB1
01
0
Normal size
Double size
1
Triple size
Normal size
SZ90
SZ91
01
0
Normal size
Double size
1
Triple size
Normal size
5
VS = H × ( Σ
2nVPn)
n = 0
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