HT1620G, HT1621, HT1621 DICE Selling Leads, Datasheet
MFG:HOLTEK Package Cooled:QFP D/C:09+
HT1620G, HT1621, HT1621 DICE Datasheet download
Part Number: HT1620G
MFG: HOLTEK
Package Cooled: QFP
D/C: 09+
HT1620G, HT1621, HT1621 DICE
- Table of contents:
Info of HT1620G
Info of HT1621
Info of HT1621 DICE
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About HT1015
PDF/DataSheet Download
Datasheet: HT1015
File Size: 622555 KB
Manufacturer: HOLTEK [Holtek Semiconductor Inc]
Download : Click here to Download
About HT1621
PDF/DataSheet Download
Datasheet: HT1621
File Size: 171838 KB
Manufacturer: HOLTEK [Holtek Semiconductor Inc]
Download : Click here to Download
About HT1015
PDF/DataSheet Download
Datasheet: HT1015
File Size: 622555 KB
Manufacturer: HOLTEK [Holtek Semiconductor Inc]
Download : Click here to Download
HT1621 General Description
The HT1621 is a 128 pattern (32X4), memory mapping, and multi-function LCD driver. The S/W configuration feature of the HT1621 makes it suitable for multiple LCD applications including LCD modules and display subsystems. Only three or four lines are required for the interface between the host controller and the HT1621. The HT1621 contains a power down command to reduce power consumption.
HT1621 Maximum Ratings
Supply Voltage.................................-0.3V~5.5V
Storage Temperature....................-50~125
Input Voltage ..................VSS-0.3V~VDD+0.3V
Operating Temperature..................-25~75
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
Storage Temperature....................-50~125
Input Voltage ..................VSS-0.3V~VDD+0.3V
Operating Temperature..................-25~75
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
HT1621 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
· 32X4 LCD driver
· Built-in 32X4 bit display RAM
· 3-wire serial interface
· Internal LCD driving frequency source
· Software configuration feature
· Data mode and command mode instructions
· R/W address auto increment
· Three data accessing modes
· VLCD pin for adjusting LCD operating voltage
· 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
· 32X4 LCD driver
· Built-in 32X4 bit display RAM
· 3-wire serial interface
· Internal LCD driving frequency source
· Software configuration feature
· Data mode and command mode instructions
· R/W address auto increment
· Three data accessing modes
· VLCD pin for adjusting LCD operating voltage
HT1621 Connection Diagram
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