參數(shù)資料
型號(hào)： LC74799
元件分類： 畫面疊加
英文描述： ON-SCREEN DISPLAY IC, PDIP30
封裝： 0.400 INCH, SDIP-30
文件頁數(shù)： 32/32頁
文件大?。?/td> 322K
代理商： LC74799
COMMAND0 (Display memory write address setup command)
COMMAND1 (Display character data write setup command)
No. 5834-9/32
LC74799, 74799M
First byte
DA
Register
Contents
Notes
0 to 7
State
Function
7—
1
6—
0
5—
0
4—
0
3V3
0
1
2V2
0
1
1V1
0
1
0V0
0
1
Command 0 identification code.
Sets the display memory write address.
Display memory line address (0 to B hexadecimal)
Second byte
Note: All registers are set to 0 when the LC74799/M is reset by the RST pin.
DA
Register
Contents
Notes
0 to 7
State
Function
7—
0Second byte identification bit
6—
0
5—
0
4H4
0
1
3H3
0
1
2H2
0
1
1H1
0
1
0H0
0
1
Display memory column address (0 to 17 hexadecimal)
First byte
DA
Register
Contents
Notes
0 to 7
State
Function
7—
1
6—
0
5—
0
4—
1
3—
0
2—
0
1—
0
0—
0
Command 1 identification code.
Sets up display character data write mode.
When this command is input, the LC74799/M locks
in the display character data write mode until the
CS pin goes high.
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