11-2-2. Monochrome Display Adapter Board; 11-2-3. Color Display Adapter Board - Canon A-200 series Service Manual

11-2-2. Monochrome Display Adapter Board
Item
Specifications
CRTC 68B45
Video-RAM
Capacity
4K bytes
Element
MOS LSI 16K-bit static RAM
Character
Capacity
8K bytes
Generator
Element
C-MOS masked ROM
80 characters
x
25 lines
Characters
9
7
x
x
14 dots per character box
9 dots per character font
Attribute ..... IBM-PC compatible
Video signal 16.257MHz maximum
V-sync 50Hz
H-sync 18.432kHz
11-2-3. Color Display Adapter Board
Item
Specifications
CRTC 68B45
Capacity
32K bytes
Video-RAM
Element
MOS LSI 64K-bit O-RAM
Capacity 8K bytes
Character
Generator
Element
C-MOS masked ROM
80 characters
x
25 lines mode
8
x
8 dots per character box
7
x
7 dots per character font
Characters
Attribute ..... IBM-PC compatible; 16 colors
40 characters
x
25 lines mode
16
x
8 dots per character box
14
x
7 dots per character font
Attribute ..... IBM-PC compatible; 16 colors
640
x
200 dots mode (color disable)
8 pixels per byte
Graphics
320
x
200 dots mode (color graphics)
4 pixels per byte; one pixel can be assigned 4 of 16 colors.
Video signal 14.31818MHz maximum
V-sync
60Hz
H-sync 15.75kHz
10