NT7501 판매점 - 33 X 100 RAM-Map LCD Controller/Driver

NT7501

33 X 100 RAM-Map LCD Controller/Driver

Features

! Direct RAM data display using the display RAM. When

RAM data bit is 0, it is not displayed. When RAM data bit

is 1, it is displayed. (In normal display mode)

! RAM capacity: 65 X 132 = 8580 bits

! Many command functions: Read/Write Display Data,

Display ON/OFF, Normal/Reverse Display, Page

Address Set, Set Display Start Line, Set LCD Bias,

Electronic contrast Controls, Read Modify Write, Select

Segment Driver Direction and Power Save

General Description

The NT7501 is a single-chip LCD driver for dot-matrix liquid

crystal displays, which is directly connectable to a

microcomputer bus. It accepts 8-bit serial or parallel display

data directly sent from a microcomputer and stores it in an

on-chip display RAM. It generates a LCD drive signal

independent of the microprocessor clock.

The set of the on-chip display RAM of 65 X 132 bits, and a

one-to-one correspondence between the LCD panel pixel

dots and the on-chip RAM bits, permits implementation of

displays with a high degree of freedom.

! High-speed 8-bit microprocessor interface allowing direct

connection to both the 8080 and 6800

! Serial interface

! Single supply operation, 2.4 - 3.5V

! Maximum 9V LCD driving output voltage

! 2X / 3X / 4X on chip DC-DC converter

! Voltage regulator

! Voltage follower (LCD bias: 1/5 or 1/6)

! On chip oscillator

As a total of 133 circuits of common and segment outputs

are incorporated, a single chip of NT7501 can make 33 X

100 dots displays.

No external operation clock is required for RAM read/write

operations. Accordingly, this driver can be operated with

minimum current consumption and its on-board low-current-

consumption liquid crystal power supply can implement a

high-performance handy display system with minimal current

consumption and a minute LSI configuration.

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NT7501 반도체 회로 부품 판매점