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M66273AFP, M66273FP, M66280FP

Table of contents:
Info of M66273AFP
Info of M66273FP
Info of M66280FP

M66273AFP, M66273FP, M66280FP Selling Leads, Datasheet

MFG:MIT Package Cooled:QFP D/C:02+

M66273AFP, M66273FP, M66280FP Datasheet download

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Part Number: M66273AFP

MFG: MIT

Package Cooled: QFP

D/C: 02+

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M66273FP General Description

The M66273 is a graphic display-only controller for dot matrix type STNLCD which is used widely for OA equipment, PDA, amusement equipment, etc.
The M66273 is an advanced product from the M66272 at the point of MPU interface and timing specifications. This LCD display functions are the same with the M66272.
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	Binary/ gray scale	LCD display data	Displayable LCD size
Single scan	Binary	4bit	Equivalent to 640 x 240
		8bit
	Gray scale	4bit	Equivalent to 320 x 240
		8bit
Dual scan	Binary	4bit	Equivalent to 320 x 240 x 2 screens
	Gray scale	4bit	Equivalent to 320 x 120 x 2 screens

The M66273 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.

M66273FP Maximum Ratings

Symbol	Parameter	Condition	Ratings	Unit
V_DD	Supply voltage	-	-0.3 to +6.5	V
V_I	Input voltage	-	-0.3 to V_DD+0.3	V
Vo	Output voltage	-	-0.3 to V_DD+0.3	V
Io	Output current	-	±20	mA
Pd	Power dissipation	-	600	mW
Tstg	Storage temperature	-	-55 to +150

M66273FP Features

1. Display memory
   ·Built-in 19200-byte(153.6-Kbit) VRAM(Equivalent to 640 x 240 dots x 1 screen, 320 x 240 dots x 2 screens)
   · All addresses of built-in VRAM are externally opened.
2. Displayable LCD
   · Binary display
      Monochrome STN-LCD of up to 153600 dots(equivalent to 1/2VGA)
3. 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 1/4VGA)
4. Interface with MPU
   · Capability of switching the interface with two-way 8/16-bit MPU
   · Provides WAIT output pin(WAIToutput when access from MPU to VRAM is gained)
   · Capability of controlling BHE or LWR/HWR at the interface with a 16-bit MPU
5. 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
6. 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.
7. 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.
8. 5V or 3V single power supply

M66273FP Typical Application

PPC/FAX operation panel, display/operation panel of other OA equipment, multifunction/public telephone
· PDA/electronic notebook/information terminal, portable terminal
· Game, Amusements, Kids computer, etc.

M66273FP Connection Diagram

M66280FP General Description

The M66280FP is high speed line memory that uses high performance silicon gate CMOS process technology and adopts the FIFO (First In First Out) structure consisting of 5120 words x 8 bits.

The M66280FP, performing reading and writing operations at different cycles independently and asynchronously, is optimal for buffer memory to be used between equipment of different data processing speeds.

M66280FP Maximum Ratings

Symbol	Parameter	Conditions	Rating	Unit
Vcc	Supply voltage	Value based on the GND pin	-0.3to+4.6	V
V_I	Input voltage		0.3 toVcc+0.3	V
Vo	Output voltage		0.3 toVcc+0.3	V
Pd	Power dissipation	T=25ns	300	mW
Tstg	Storage temperature		-55 to +150	°C

M66280FP Features

• Memory configuration 5120 words x 8 bits (dynamic memory)
• High speed cycle         25 ns (Min.)
• High speed access      18 ns (Max.)
• Output hold                 3 ns (Min.)
• Reading and writing operations can be completely carried out independently and asynchronously.
• Variable length delay bit
• Input/output                TTL direct connection allowable
• Output                         3 states

M66280FP Typical Application

Digital copying machine, laser beam printer, high speed facsimile,etc.

M66280FP Connection Diagram

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