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參數資料
| 型號： | LC74788N |
| 文件頁數： | 17/50頁 |
| 文件大小： | 175K |
| 代理商： | LC74788N |
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No. 7191-17/50
LC74735W
Command 20 (System control settings command)
First byte
Second byte
DA0 to 7
Register
Content
Notes
State
Function
7
—
1
6
—
0
Command 2 identification code
5
1
System control settings
4
0
3
0
2
0
Sub-identification code 0
1
0
0
0
DA0 to 7
Register
Content
Notes
State
Function
7
TSTMD2
0
Normal operation
1
Test mode 2
6
TSTMD1
0
Normal operation
1
Test mode 1
5
Q/W2
0
Normal mode
1
Independent mode
4
Q/W1
0
QVGA mode
1
WVGA mode
3
SYSRST
0
1
Reset all registers (All bits set to 0.)
2
CTERS
0
1
Erase the color table. (Sets all values to 00.)
0
1
SRMERS
1
Erase main RAM. (Sets all values to 00.)
Wallpaper
0
0
MRMERS
1
Erase sub-RAM. (Sets all values to 00.)
Main screen
Do not use test mode. This bit must be set to 0.
Do not use test mode. This bit must be set to 0.
Normal / Independent
QVGA / WVGA
The registers are reset when the CSB pin is low.
The reset state is cleared when the CSB pin goes high.
Applications must provide a wait time of about 1ms.
Use DSPOFF to execute this operation.
Applications must provide a wait time of about 1ms.
Use DSPOFF to execute this operation.
Applications must provide a wait time of about 1ms.
Use DSPOFF to execute this operation.
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