Part Number
|
HT1621 |
Manufacturer
|
Holtek Semiconductor Inc |
Description
|
RAM Mapping 32 x 4 LCD Controller |
Published
|
Mar 26, 2005 |
Detailed Description
|
HT1621/HT1621G RAM Mapping 32´4 LCD Controller for I/O MCU
PATENTED
PAT No. : TW 099352
Features
· Operating voltage: 2...
|
Datasheet
|
HT1621
|
Overview
HT1621/HT1621G RAM Mapping 32´4 LCD Controller for I/O MCU
PATENTED
PAT No.
: TW 099352
Features
· Operating voltage: 2.
4V~5.
2V · Built-in 256kHz RC oscillator · External 32.
768kHz crystal or 256kHz frequency
source input · Selection of 1/2 or 1/3 bias, and selection of 1/2 or
1/3 or 1/4 duty LCD applications · Internal time base frequency sources · Two selectable buzzer frequencies (2kHz/4kHz) · Power down command reduces power consumption · Built-in time base generator and WDT · Time base or WDT overflow output · 8 kinds of time base/WDT clock sources
· 32´4 LCD driver
· Built-in 32´4 bit display RAM · 3-wire serial interface · Internal LCD driving frequency source · Software configurati...
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