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HT1621B 7 segment Driver RAM Mapping 32x4 LCD Controller

HT1621B 7 segment Driver RAM Mapping 32x4 LCD Controller

Introduction:

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.

Features:

  • 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: 48-pin SSOP/LQFP packages

Datasheet

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HT1621B 7 segment Driver RAM Mapping 32x4 LCD Controller
  • Heliopolis Branch : 100
  • Stock: 100
  • Brand: Chinese
  • Model: HT1621B
  • Weight: 0.01kg
  • Location: M4-5
Product Views: 196
35.00EGP