HT1621B
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| Part Number | HT1621B |
|---|---|
| Manufacturer |
 Holtek
|
| Description | 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, HT1621B 44-pin LQFP package |
| Product Group | LCD Driver |
| MOQ | 2010 pcs |
| SPQ | 30 pcs |
| Figure/Case | 48-SSOP |
| Package | TUBE Pack |
 PDF Datasheet | |
| Ship From | Hong Kong |
| Shipment Way | DHL / Fedex / TNT / UPS / Others |
| Delivery Term | Ex-Works |
| Send RFQ | sales@signalhk.com |
| Feature | Specification |
|---|---|
| Operating Voltage | 2.4V to 5.2V |
| Built-in Oscillator | 256kHz RC oscillator |
| External Frequency Input | Supports 32.768kHz crystal or 256kHz frequency source |
| Bias Selection | 1/2 or 1/3 bias |
| Duty Selection | 1/2, 1/3, or 1/4 duty |
| Time Base Generator | Internal time base frequency sources |
| Buzzer Frequencies | Two selectable frequencies: 2kHz and 4kHz |
| Power Down Mode | Power down command to reduce power consumption |
| Watchdog Timer (WDT) | Built-in WDT with overflow output |
| Clock Sources | 8 selectable time base/WDT clock sources |
| LCD Driver | Drives 32x4 LCDs |
| Display RAM | Built-in 32x4-bit display RAM |
| Interface | 3-wire serial interface |
| LCD Driving Frequency | Internal frequency source |
| Software Configuration | Configurable via software |
| Instruction Modes | Data mode and command mode instructions |
| Addressing | Read/Write address auto increment |
| Data Access Modes | Three data accessing modes |
| VLCD Pin | Available for adjusting LCD operating voltage |
| Package Options | 48-pin DIP/SSOP/LQFP packages |
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HT1621B
HT1621B