LC74736PT datasheet(2/106 Pages) SANYO

2 / 106 page

LC74736PT

No.A0569-2/106

(2) Character structure

QVGA mode: About 9MHz

16 dots (horizontal)

×16 dots (vertical): Character display

16 dots (horizontal)

×16 dots (vertical): Graphic glyph display

WVGA mode: About 33.2MHz

24 dots (horizontal)

×32 dots (vertical): Character display

24 dots (horizontal)

×32 dots (vertical): Graphic glyph display

Character display clock:

LC oscillator (about 10MHz)

External clock signal input (up to 40MHz)

Built-in PLL (VCO) (7 to 40MHz)

(3) Number of characters

QVGA mode

Up to 16384 characters when an external 16-bit 16M ROM is used.

WVGA mode

Up to 4096 characters when an external 16-bit 16M ROM is used.

No internal ROM

Internal character RAM QVGA: 4 characters, WVGA: 1 character

(4) Character sizes: Four horizontal sizes (1

×, 2×, 3×, and 4×)

Four vertical sizes (1

×, 2×, 3×, and 4×)

(The character size is specified in line units.)

(5) Display start positions: 1024 positions in the horizontal direction and 512 positions in the vertical direction.

Setting units: Horizontal: 1 dot (in screen units)

Vertical:

1 dot (in screen units)

(6) Display functions

• Blinking specification (in character units)

Period: 1/64, 1/32, and 1/16 of the vertical sync signal (in screen units)

Duty: Fixed at 50%

• Box (raised or recessed) display

Raised/recessed specification

(in character units)

Left: Off/on specification

(in character units)

Right: Off/on specification

(in character units)

Top: Off/on specification

(in character units)

Bottom: Off/on specification

(in character units)

• Border specification (in line units): Only valid with glyphs from the character font.

(7) Color specification

Character

• Character color (in character units):

1 of 16 colors can be specified.

• Character background color (in character units): 1 of 16 colors can be specified.

• Border color (in line units):

1 of 16 colors can be specified.

Graphic

• 16 types can be specified by ROM data

Graphic 2

• 16 types can be specified by ROM data

1 color type can be changed.

Graphic 3

• 16 types can be specified by ROM data

1 color table type can be changed.

• Box (raised or recessed) color (line units): 1 of 16 colors can be specified.

• Background color (screen units): 1 of 16 colors can be specified.

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