參數(shù)資料
型號: LC74788N
文件頁數(shù): 21/50頁
文件大小: 175K
代理商: LC74788N
No. 7191-21/50
LC74735W
Command 24 (I/O polarity 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
Display character data write settings
4
0
3
0
2
1
Extended command identification code 4
1
0
0
0
DA0 to 7
Register
Content
Notes
State
Function
7
DSPMD1
0
1
6
DSPMD0
0
1
5
D/ASEL
0
On
1
Off
4
VBLKON
0
Disabled
VBLK input selection
1
Enabled
3
HBLKON
0
Disabled
HBLK input selection
1
Enabled
2
CKOP
0
Clock output positive polarity
Clock output polarity selection
1
Clock output negative polarity
1
VBP
0
VBLK input negative polarity
VBLK input polarity selection
1
VBLK input positive polarity
0
HBP
0
HBLK input negative polarity
HBLK input polarity selection
1
HBLK input positive polarity
Main screen display area selection
Clock output polarity selection
Only valid in independent mode.
COM20 to COM2
*
: This register is set to the all bits zero state when the IC is reset by the RST pin.
MD1
0
0
1
MD0
0
1
0
40 characters
×
13 lines
33 characters
×
15 lines
40 characters
×
16 lines
D/A converter used/unused selection
Only valid in independent mode. COM20 to COM2
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