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