參數(shù)資料
型號(hào): LC74731
廠商: Sanyo Electric Co.,Ltd.
英文描述: On-Screen Display Controller
中文描述: 屏幕顯示控制器
文件頁數(shù): 15/38頁
文件大小: 157K
代理商: LC74731
No. 6526-15/38
LC74731W,74732W
COMMAND21 (Horizontal display start position setup command)
First byte
DA0 to 7
Register
Content
Notes
State
Function
7
1
Command 2 identification code
6
0
Horizontal display position setup and horizontal direction
5
1
character size settings
4
0
3
0
Extended command 1 identification code
2
1
1
0
0
0
Second byte
Note that all registers are set to 0 when these ICs are reset by the RST pin.
DA0 to 7
Register
Content
Notes
State
Function
7
0
Second byte identification bit
6
HP6
(MSB)
0
If HS is the horizontal start position then:
The horizontal display start position is set by the 7
1
bits HP0 to HP6.
5
HP5
0
The weight of bit 1 is 2Tc.
1
4
HP4
0
Tc: Period of the oscillator connected to OSCIN/OSCOUT in
1
operating mode.
3
HP3
0
1
2
HP2
0
1
1
HP1
0
1
0
HP0
(LSB)
0
1
6
HS =Tc
×
(2
2
n
HPn)
n=0
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