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PDF M66272FP Data sheet ( Hoja de datos )
| Número de pieza | M66272FP | |
| Descripción | LCD CONTROLLER with VRAM | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI <DIGITAL ASSP>
M66272FP
LCD CONTROLLER with VRAM
DESCRIPTION
The M66272FP is a graphic display-only controller for dot matrix
type STN-LCD which is used widely for OA equipment, PDA,
amusement equipment, etc.
It is capable of displaying six types of LCD by combining the panel
configuration(single or dual scan), LCD display function(binary or
gray scale), LCD display data bus width(4 or 8 bit).
Panel
configuration
Single scan
Dual scan
Binary/
gray scale
LCD display data
Binary
4bit
8bit
Gray scale
4bit
8bit
Binary
4bit
Gray scale
4bit
Displayable LCD size
Equivalent to 640 x 240
Equivalent to 320 x 240
Equivalent to 320 x 240 x 2 screens
Equivalent to 320 x 120 x 2 screens
The M66272FP can support the reflective color type LCD (ECB :
Electrically Controlled Birefringence).
The IC has a built-in 19200-byte VRAM as a display data memory.
All of the VRAM addresses are externally opened. Direct
addressing of display data can be performed from MPU, thus
display data processing such as drawing can be efficiently carried
out.
The built-in arbiter circuit(cycle steal system) which gives priority to
display access allows timing-free access from MPU to VRAM,
preventing display screen distortion.
The IC provides has a function for LCD module built-in system by
lessening connect pins between the MPU and the IC.
FEATURES
• Display memory
• Built-in 19200-byte(153.6-Kbit) VRAM(Equivalent to 320 x 240
dots x 2 screens)
• All addresses of built-in VRAM are externally opened.
PIN CONFIGURATION
(TOP VIEW)
• Displayable LCD
• Binary display
Monochrome STN-LCD of up to 153600 dots(equivalent to 1/2
VGA)
• 4 gray scale display
Monochrome STN-LCD of up to 76800 dots(equivalent to 1/4
VGA)
Reflective color STN-LCD of up to 76800 dots (equivalent to
1/4 VGA)
• Interface with MPU
• Capability of switching the interface with two-way 8/16-bit MPU
• Provides WAIT output pin(WAIT output when access from MPU
to VRAM is gained)
• Capability of controlling BHE or LWR/HWR at the interface with
a 16-bit MPU
• Interface with LCD
• LCD display data bus is a 4-bit or 8-bit parallel output.
• 4 kinds of control signals: CP, LP, FLM and M
• Display functions
• Graphic display only
• Binary or 4 gray scale display(gray scale palette is used to set
pseudo medium 2 gray scale.)
• Reflective color(ECB) uses a gray scale function.
• Vertical scrolling is allowed within memory range.
• Additional function for LCD module built-in system
• Capability of interfacing with two-way 8/16-bit MPU(16-bit MPU
byte access is not allowed.)
• Access from MPU to VRAM is gained via the I/O register.
• 5V or 3V single power supply
APPLICATION
• PPC/FAX operation panel, display/operation panel of other OA
equipment, multifunction/public telephone
• PDA/electronic notebook/information terminal, portable terminal
• Game, Amusements, kid's computer etc.
VSS
DISPLAY DATA TRANSFER CLOCK CP
DISPLAY DATA LATCH PULSE LP
FIRST LINE MARKER SIGNAL FLM
VD<0>
VD<1>
VD<2>
LCD DISPLAY DATA BUS VD<3>
VD<4>
VD<5>
VD<6>
VD<7>
VDD
N.C
N.C
VSS
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
M66272FP
40 VSS
39 N.C
38 N.C
37 N.C
36 CSE CYCLE STEAL ENABLE
35 VSS
34 VDD
33 SWAP BUS SWAP
32 A<14>
31 A<13>
30 A<12>
29
A<11>
MPU ADDRESS
BUS
28 A<10>
27 A<9>
26 A<8>
25 VSS
Outline 80P6N-A
N.C : No Connection
1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet M66272FP.PDF ] | |
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