Datasheet > HT1670_10

HT1670_10

更新时间： 2024-11-19 10:59:59

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		控制器
页数	文件大小	规格书
20页	177K
描述
128x32 LCD Controller for I/O MCU

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HT1670_10 数据手册

HT1670

128´ 32 LCD Controller for I/O MCU

PATENTED

PAT No. : 099352

Technical Document

Tools Information

FAQs

Application Note

Features

Operating voltage: 2.7V~5.2V

Six-wire interface (four data wires)

Built-in 32kHz RC oscillator

Eight kinds of time base/WDT selection

External 32.768kHz crystal oscillator or 32kHz fre-

quency source input

Time base or WDT overflow output

R/W address auto increment

Standby current: <1mA at 3V, <2mA at 5V

Built-in buzzer driver (2kHz/4kHz)

Power down command reduces power consumption

Software configuration feature

Internal resistor type: 1/6 bias or 1/5 bias, 1/32 duty,

and 1/16 duty

Three selectable LCD frame frequencies: 64Hz,

89Hz or 170Hz

Data mode and Command mode instructions

Three data accessing modes

Max. 128´32 patterns, 128 segments and 32 com-

Provides VLCD pin to adjust LCD operating voltage

and max. VLCD voltage up to 7V

mons

144 segments and 16 commons selectable by com-

mand method

Provides three kinds of bias current programming

Control of TN-type and STN-type LCDs

208-pin QFP package

Built-in bit-map display RAM: 4096 bits (=128´32 bits)

Built-in internal resistor type bias generator

Applications

Leisure products

Cellular phone

Games

Global positioning system

Consumer electronics

Personal digital assistant

General Description

HT1670 is a peripheral device specially designed for I/O

type MCU used to expand the display capability. The

max. display segment of the device are 4096 patterns

(128 segments and 32 commons). It also supports four

data bits interface, buzzer sound, Watchdog Timer or

time base timer functions. The HT1670 is a memory

mapping and multi-function LCD controller. Since the

HT1670 can control TN-type (Twisted Nematic) or

STN-type (Super Twisted Nematic) LCDs. The software

configuration feature of the HT1670 make it suitable for

multiple LCD applications including LCD modules and

display subsystems. Only six lines (CS, WR, DB0~DB3)

are required for the interface between the host controller

and the HT1670.

Rev. 1.60

November 9, 2010

12 3 4 5 6 7...20

中文翻译

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