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參數(shù)資料
| 型號： | HT1670 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 128x32 LCD Controller for I/O MCU |
| 中文描述： | 128x32 LCD控制器的I / O控制器 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 174K |
| 代理商： | HT1670 |
HT1670
128 32 LCD Controller for I/O MCU
Rev. 1.10
1
September 17, 2004
Features
Operating voltage: 2.7V~5.2V
Built-in 32kHz RC oscillator
External 32.768kHz crystal oscillator or 32kHz fre-
quency source input
Standby current: <1 A at 3V, <2 A at 5V
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
Max. 128 32 patterns, 128 segments and 32 com-
mons
144 segments and 16 commons selectable by com-
mand method
Built-inbit-mapdisplayRAM:4096bits(=128 32bits)
Built-in internal resistor type bias generator
Six-wire interface (four data wires)
Eight kinds of time base/WDT selection
Time base or WDT overflow output
R/W address auto increment
Built-in buzzer driver (2kHz/4kHz)
Power down command reduces power consumption
Software configuration feature
Data mode and Command mode instructions
Three data accessing modes
Provides VLCD pin to adjust LCD operating voltage
and max. VLCD voltage up to 7V
Provides three kinds of bias current programming
Control of TN-type and STN-type LCDs
208-pin QFP package
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.
Applications
Leisure products
Games
Personal digital assistant
Cellular phone
Global positioning system
Consumer electronics
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT1670_10 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:128x32 LCD Controller for I/O MCU |
| HT16C21 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:RAM Mapping 20*4 / 16*8 LCD Driver Controller |
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| HT16C24 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:RAM Mapping 72*4/68*8/60*16 LCD Driver Controller |
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