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LC74731W Datasheet On-screen Display Controller

Manufacturer: SANYO (now Panasonic)

Overview: Ordering number : ENN*6526 CMOS IC LC74731W,74732W On-Screen Display Controller Preliminary Overview The LC74731W and LC74732W are on-screen display CMOS ICs that display characters and patterns on a TV screen under the control of a microcontroller. These ICs display 16 × 16-dot characters and up to 12 lines of text with 24 characters per line. • Character color: Eight colors in character units (in internal synchronization mode): 2 fsc and 4 fsc (Black, red, green, yellow, blue, magenta, cyan, and white) • Character background color: Eight colors (in internal synchronization mode): 2 fsc and 4 fsc (Black, red, green, yellow, blue, magenta, cyan, and transparent) • Screen background color: Eight colors (in internal synchronization mode): 2 fsc and 4 fsc (Black, red, green, yellow, blue, magenta, cyan, and white) • External control inputs: Serial interface with an 8-bit data size. • Built-in sync separator circuit • Video outputs: NTSC, PAL, PALM, PALN, NTSC 4.

Key Features

  • Text structure: 12 lines × 24 characters (Up to 288 characters).
  • Character format: 16 × 16 dots Character display clock frequency: about 9 MHz.
  • Character sizes: Four sizes each in the horizontal and vertical directions with the size set in line units.
  • Number of characters supported: LC74731W:256 (internal) LC74732W:512 (internal) Up to 8192 using an external ROM (for Japanese) [Reference] JIS X0298 (1990): 6877 characters JIS level 1 kanji: 2965 characters J.

Similar Datasheet

Brand Logo Part Number Description Manufacturer
ON Semiconductor Logo LC74731W On-Screen Display Controller ON Semiconductor

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