參數(shù)資料
型號(hào): LC74794
元件分類(lèi): 畫(huà)面疊加
英文描述: ON-SCREEN DISPLAY IC, PDIP30
封裝: SDIP-30
文件頁(yè)數(shù): 30/30頁(yè)
文件大小: 320K
代理商: LC74794
No. 5557-9/30
LC74794, 74794M
COMMAND0 (Display memory write address setup command)
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)
COMMAND1 (Display character data write setup command)
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 LC74794/M
locks in the display character data write mode
until the CS1 pin goes high.
Second byte
Note: All registers are set to 0 when the LC74794/M is reset by the RST pin.
DA
Register
Contents
Notes
0 to 7
State
Function
7—
0
Second byte identification code
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)
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