LC863264/56/48/40A
No.6694-2/20
Features
(1) Read-Only Memory (ROM) :
(2) Random Access Memory (RAM) :
(3) OSD functions
- Screen display
- RAM
Display area
Control area
- Characters
Up to 252 kinds of 16
×
32 dot character fonts
(4 characters including 1 test character are not programmable)
Each font can be divided into two parts and used as two fonts :
a 16
×
17 dot and 8
×
9 dot character font
At least 111 characters need to be divide to display the caption fonts.
- Various character attributes
Character colors
Character background colors
Fringe / shadow colors
Full screen colors
Rounding
Underline
Italic character (slanting)
- Attribute can be changed without spacing
- Vertical display start line number can be set for each row independently (Rows can be overlapped)
- Horizontal display start position can be set for each row independently
- Horizontal pitch (bit 9 - 16)
*1
and vertical pitch (bit-32) can be set for each row independently
- Different display modes can be set for each row independently
Caption Text mode / OSD mode 1 / OSD mode 2 (Quarter size) / Simplifed graphic mode
- Ten character sizes
Horez.
×
Vert. =
(1
×
1), (1
×
2), (2
×
2), (2
×
4), (0.5
×
0.5)
(1.5
×
1), (1.5
×
2), (3
×
2), (3
×
4), (0.75
×
0.5)
- Shuttering and scrolling on each row
- Simplified Graphic Display
*1 Note : range depends on display mode : refer to the manual for details.
(4) Data Slicer (NTSC)
- Line 21 closed caption data and XDS data extraction
(5) Bus Cycle Time / Instruction-Cycle Time
Bus cycle time
Instruction cycle time
System clock oscillation
0.424
μ
s
0.848
μ
s
(Ref : X’tal 32.768kHz)
7.5
μ
s
15.0
μ
s
183.1
μ
s
366.2
μ
s
(6) Ports
- Input / Output Ports
Data direction programmable in nibble units
(If the N-ch open drain output is selected by option, the corresponding port data can be read in output mode.)
65024
×
8 bits / 57344
×
8 bits / 49152
×
8 bits
40960
×
8 bits for program
16128
×
8 bits for CGROM
640
×
8 bits (including 128 bytes for ROM correction function)
352
×
9 bits (for CRT display)
: 36 characters
×
16 lines (by software)
: 352 words (9 bits per word)
: 36 words
×
8 lines
: 8 words
×
8 lines
: 16 colors
: 16 colors
: 16 colors
: 16colors
Oscillation Frequency
14.156MHz
Voltage
4.5V to 5.5V
Internal VCO
Internal RC
Crystal
800kHz
32.768kHz
4.5V to 5.5V
4.5V to 5.5V
: 5 ports (28 terminals)
: 1 port (8 terminals)
Data direction programmable for each bit individually
: 4 ports (20 terminals)