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7-4. MN1288 LCD CONTROL LSI
The MN1288 is a multi-function LSI to control both liquid crystal dot
matrix graphic displays and raster scan cathode ray tube displays.
It
is
suitable for controlling the display of transportable computers.
1. FEATURES
1. The MN1288 is suitable for personal computers using
LeDs
and
CRTs.
2. Large screen LeOs can be used.
3. In tile LCD mode, tile software for the CRT can be used without
difficulty.
4. Scrolling and external synchronization are possible.
5. 84-Pin flat package, using CMOS technology.
2. FUNCTIONS
2-1. LCD and CRT Control Common Functions
• Display character capacity
(Programmable)
• VRAM addressing
• Scrolling, paging
• Cursor display
(Programmable)
• External synchronization
• Bus interface
• Floating address function
214 (16384) characters
16K words
Scrolling scan line by scan line
Scrolling character row by
character row
The cursor format and blinking
In the non-interfaced mode
6800 family and 8080 family
2-2. LCD Control Functions
• Display format
Full display (non-divided screen)
• Data outputs
• Duty (Programmable)
• Front composition
• Sync signals
• Artibute control
• Built-in oscillator circuit
Upper and lower display (divided
screen)
2 bits, 4 bits
1/2 - 1/256
Horizontal 4, 6, 8 dots
Vertical 1-32 dots
HSYNC (Horizontal synchronization)
VSYNC (Vertical synchronization)
2-3. CRT Control Functions
• Scanning modes
Non-interlaced mode
Interlaced-sync mode
Interlaced-sync with video mode
• Skew funtion
Display timing
Cursor display timing
• Light pen
MACLK
DINH
HPLMT1
HPLMTO
4
RD7
RD'
6
RD5
7
RD4
,
R03
RD,
10
RD1
11
ROO
12
AT1
13
ATO
14
VSS
15
DISPTMG
16
CUDISP
17
E:XTCU
16
HSYNC
19
E:XSYNC
20
VSYNC
21
ru
Pin Configuration
1]-'9
63
62
61
60
69
58
57
56
55
54
"
62
51
50
49
4S
47
46
45
44
45
07
0,
05
04
03
0'
01
DO
Rm
(VilR)
E(RD)
,-,',;l
""
i
DLAT
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