參數(shù)資料
型號: LC74787JM
廠商: Sanyo Electric Co.,Ltd.
英文描述: SMD-RES,20K,.1%, 1/10W,25PPM,.08X.05
中文描述: 屏幕顯示控制器
文件頁數(shù): 13/23頁
文件大小: 216K
代理商: LC74787JM
No. 5730-13/23
LC74787, 74787M, 74787JM
COMMAND4 (Display control setup command)
First byte
DA
Register
Contents
Notes
0 to 7
State
Function
7
1
6
1
Command 4 identification code
5
0
Display character data write setup
4
0
3
TSTMOD
0
Normal operating mode
This bit must be set to 0
1
Test mode
2
RAMERS
0
1
Erase display RAM. (The RAM data is set to FF hexadecimal.)
1
OSCSTP
0
Do not stop the crystal and LC oscillators
1
Stop the crystal and LC oscillators
0
SYSRST
0
1
Reset all registers and turn display off
Second byte
DA
Register
Contents
Notes
0 to 7
State
Function
7
0
Second byte identification bit
6
BLK2
0
Character display area
Specifies the size for complete fill in
1
Video display area
5
BLK1
0
1
Changes the blanking size
4
BLK0
0
1
3
BK1
0
Blinking period: About 0.5 s
Switches the blinking period
1
Blinking period: About 1.0 s
2
BK0
0
Blinking off
1
Blinking on
1
RV
0
Reverse video off
1
Reverse video on
0
DSPON
0
Character display off
1
Character display on
Note: All registers are set to 0 when the LC74787/M/JM is reset by the RST pin.
Blinking in reverse video mode switches the display between
normal character display and reverse video display
Erasing RAM takes about 500 μs. (This operation
must be executed in the DSPOFF state.)
Valid in external synchronization mode when
character display is off
The registers are reset when the CS pin is low, and
the reset state is cleared when CS is set high
BLK0
0
1
BLK1
0
Blanking off
Character size
1
Frame size
Complete fill in
相關(guān)PDF資料
PDF描述
LC74787 On-Screen Display Controller(屏幕顯示控制器)
LC74788JM TRI N RECP F J/N 0-19 NO SEAL
LC74788 On-Screen Display Controller(屏幕顯示控制器)
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