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LC74798M fiches techniques PDF

Sanyo Semicon Device - On-Screen Display Controller IC

Numéro de référence LC74798M
Description On-Screen Display Controller IC
Fabricant Sanyo Semicon Device 
Logo Sanyo Semicon Device 





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LC74798M fiche technique
Ordering number : EN5833
CMOS IC
LC74798, 74798M
On-Screen Display Controller IC
Overview
The LC74798 and LC74798M are on-screen display
controller CMOS ICs that display characters and patterns
on the TV screen under microprocessor control. These ICs
include a built-in PDC/VPS/UDT interface circuit.
Features
• Display format: 24 characters by 12 rows (Up to 288
characters)
• Character format: 12 (horizontal) × 18 (vertical) dots
• Character sizes: Three sizes each in the horizontal and
vertical directions
• Characters in font: 128
• Initial display positions: 64 horizontal positions and
64 vertical positions
• Blinking: Specifiable in character units
• Blinking types: Two periods supported: 1.0 second and
0.5 second
• Blanking: Over the whole font (12 × 18 dots)
• Background color
— 8 colors (internal synchronization mode): 4fSC
— 6 colors (internal synchronization mode): 2fSC
— Blue background only: NTSC
• Line background color
— Three lines can be set up.
— 8 line background colors (in internal synchronization
mode): 4fSC
— 6 line background colors (in internal synchronization
mode): 2fSC
• External control input: 8-bit serial input format
• On-chip sync separator and AFC circuits
• On-chip PDC/VPS/UDT interface circuit
• Video outputs: PAL and NTSC format composite video
outputs
• Package: DIP30SD (400 mil)
MFP30S (375 mil)
Package Dimensions
unit: mm
3193-DIP30SD
[LC74798]
unit: mm
3216-MFP30S
[LC74798M]
SANYO: DIP30SD
SANYO: MFP30S
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
51898RM (OT) No. 5833-1/32

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