LC74723 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LC74723 Datasheet PDF : 12 Pages
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LC74723, 74723M
6. COMMAND5 (Display control command)
• First byte
DA
0 to 7
7
6
5
4
3
Register
name
—
—
—
—
—
2
PH
State
1
1
0
1
0
Contents
Function
Command 5 identification code
Synchronization signal control setup
0 Green background
1 Blue background
1
RSN
0 External synchronization signal detection control: Disabled
1 External synchronization signal detection control: Enabled
0
INT
0 External synchronization
1 Internal synchronization
Note: The register states are all set to zero when the LC74723 is reset with the RST pin.
Note
Background color switching (Only valid in
NTSC mode, only a blue background color is
supported in PAL-M mode.)
External synchronization signal detection
control Judges whether the signal has gone
from present to absent or from absent to
present.
External/internal synchronization switching
Display Screen Structure
The display consists of 24 characters × 10 rows for a maximum of 240 characters. The maximum number of characters is
reduced when the character size is enlarged.
Display memory addresses are specified as row (0 to 9 decimal) and column (0 to 23 decimal) addresses.
Display Screen Structure (display memory addresses)
No. 4841-10/12
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