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HT1621B
元件品牌:HOLEK合泰
元件型號:HT1621B
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產品介紹

HT1621B:RAM Mapping 32 4 LCD Controller for I/O MCU

HT1621B 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 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: 48-pin SSOP package HT1621B: 48-pin DIP/SSOP/LQFP package HT1621D: 28-pin SKDIP package HT1621G: Gold bumped chip
General Description
The HT1621B is a 128 pattern (32 4), 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 sub
systems. Only three or four lines are required for the interface between the host controller and the HT1621B. The HT1621 contains a power down command to reduce power consumption.

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