參數(shù)資料
型號: LC74798
廠商: Sanyo Electric Co.,Ltd.
英文描述: On-Screen Display Controller IC(屏幕顯示控制器芯片)
中文描述: 屏幕顯示控制器IC(屏幕顯示控制器芯片)
文件頁數(shù): 11/32頁
文件大?。?/td> 271K
代理商: LC74798
No. 5833-11/32
LC74798, 74798M
COMMAND3 (Horizontal display start position and horizontal size setup command)
First byte
DA
Register
Contents
Notes
0 to 7
State
Function
7
1
6
0
5
1
4
0
3
HS21
0
1
2
HS20
0
1
1
HS11
0
1
0
HS10
0
1
Command 3 identification code.
Sets the horizontal display start position and the horizontal character
size.
Second line horizontal character size
First line horizontal character size
0
1
0
1Tc/dot
2Tc/dot
1
3Tc/dot
1Tc/dot
HS21
HS20
0
1
0
1Tc/dot
2Tc/dot
1
3Tc/dot
1Tc/dot
HS11
HS10
Second byte
Note: All registers are set to 0 when the LC74798/M is reset by the RST pin.
DA
Register
Contents
Notes
0 to 7
State
Function
7
0
Second byte identification bit
6
0
5
HP5
0
(MSB)
1
4
HP4
0
1
3
HP3
0
1
2
HP2
0
1
1
HP1
0
1
0
HP0
0
(LSB)
1
If HS is the horizontal start position then:
5
HS = Tc
×
(
2
2
n
VP
n
)
n=0
Tc: Period of the oscillator in operating mode.
The horizontal display start position is set by the 6
bits HP0 to HP5.
The weight of bit 1 is 2Tc.
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