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參數(shù)資料
| 型號： | LC74770M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller LSI |
| 中文描述： | 屏幕顯示控制器芯片 |
| 文件頁數(shù)： | 10/11頁 |
| 文件大小： | 125K |
| 代理商： | LC74770M |
7
COMMAND 6 (System 2 output control and general-purpose port setting command)
First byte
Second byte
Note: All registers are set to 0 when the LC74770M is reset by the RST pin.
No. 4248-10/11
LC74770M
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification bit
6
—
0
5
LN12
0
The twelfth line of data is not output to CHA2 and BLK2.
1
The twelfth line of data is output to CHA2 and BLK2.
4
LN11
0
The eleventh line of data is not output to CHA2 and BLK2.
1
The eleventh line of data is output to CHA2 and BLK2.
3
LN10
0
The tenth line of data is not output to CHA2 and BLK2.
1
The tenth line of data is output to CHA2 and BLK2.
2
LN9
0
The ninth line of data is not output to CHA2 and BLK2.
1
The ninth line of data is output to CHA2 and BLK2.
1
LN8
0
The eighth line of data is not output to CHA2 and BLK2.
1
The eighth line of data is output to CHA2 and BLK2.
0
LN7
0
The seventh line of data is not output to CHA2 and BLK2.
1
The seventh line of data is output to CHA2 and BLK2.
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
Command 6 identification code
Controls output system 2 output.
(Output control for CHA2 and BLK2)
(General-purpose port output control)
6
—
1
5
—
1
4
—
0
3
P3
0
Sets the general-purpose port output (P3) to low.
1
Sets the general-purpose port output (P3) to high.
2
P2
0
Sets the general-purpose port output (P2) to low.
1
Sets the general-purpose port output (P2) to high.
1
P1
0
Sets the general-purpose port output (P1) to low.
1
Sets the general-purpose port output (P1) to high.
0
P0
0
Sets the general-purpose port output (P0) to low.
1
Sets the general-purpose port output (P0) to high.
Used for the line output setting when LS
is low.
Used for the line size setting when LS is
high.
Note:
LS = 1: Set the line size.
LS = 0: Specifies line output.
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