LC74781M 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LC74781M Datasheet PDF : 16 Pages
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LC74781, 74781M
Second byte
DA0 to DA7
7
6
5
4
3
Register name
—
BLK2
BLK1
BLK0
BK1
State
0
0
1
0
1
0
1
0
1
Register content
Function
Second byte identification bit
Character display block
Video display block
BLK1
BLK0
0
1
0
Blanking off
Border size
Blinking period: about 0.5 s
Blinking period: about 1.0 s
1
Character size
Full character size
0 Blinking off
2
BK0
1 Blinking on
0 Reverse (character reversing) off
1
RV
1 Reverse (character reversing) on
0 Character display off
0
DSPON
1 Character display on
Note: The register states are all set to zero when the LC74781/M is reset with the RST pin.
COMMAND5 (Display control setup command)
First byte
DA0 to DA7
7
6
5
4
3
2
1
0
Register name
—
—
—
—
NP1
NP0
NON
INT
State
1
1
0
1
0
1
0
1
0
1
0
1
Register content
Function
Command 5 identification code
Display control
NP1
NP0
0
1
Interlaced
Non-interlaced
External synchronization
Internal synchronization
0
NTSC
PAL
1
PAL-M
PAL-N
Note
Full character size specification
Changes the blanking size.
Switches the blinking period.
When blinking is specified for reversed
characters, the blinking will be between
normal character and reversed character
display.
Note
Switches between NTSC, PAL, PAL-M
and PAL-N
Switches between interlaced and non-
interlaced displays
Switches between external and internal
synchronization
No. 4988-11/16
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