HT1621B-LQFP48

HOLTEK Semiconductor Inc.
HT1621 RAM Mapping 32´4 LCD Controller for I/O MCU Features · Operating voltage: 2.4V~5.2V · Built-in 32´4 bit display RAM · Built-in 256kHz RC oscillator · 3-wire serial interface · External 32.768kHz crystal or 256kHz frequency · Internal LCD driving frequency source source input · Software configuration feature · Selection of 1/2 or 1/3 bias, and selection of 1/2 or · Data mode and ...
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Примечания RAM Mapping 32х4 LCD Controller for I/O MCU
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HT1621 RAM Mapping 32´4 LCD Controller for I/O MCU Features · Operating voltage: 2.4V~5.2V · Built-in 32´4 bit display RAM · Built-in 256kHz RC oscillator · 3-wire serial interface · External 32.768kHz crystal or 256kHz frequency · Internal LCD driving frequency source source input · Software configuration feature · Selection of 1/2 or 1/3 bias, and selection of 1/2 or · Data mode and command mode instructions 1/3 or 1/4 duty LCD applications · R/W address auto increment · Internal time base frequency sources · Three data accessing modes · Two selectable buzzer frequencies (2kHz/4kHz) · VLCD pin for adjusting LCD operating voltage · Power down command reduces power consumption · HT1621: 48-pin SSOP package · Built-in time base generator and WDT HT1621B: 48-pin DIP/SSOP/LQFP package HT1621D: 28-pin SKDIP package HT1621G: Gold bumped chip · Time base or WDT overflow output · 8 kinds of time base/WDT clock sources · 32´4 LCD driver General Description systems. 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. The HT1621 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- Selection Table HT162X HT1620 HT1621 HT1622 HT16220 HT1623 HT1625 HT1626 COM 4 4 8 8 8 8 16 SEG 32 32 32 32 48 64 48 Built-in Osc. ¾ Ö Ö ¾ Ö Ö Ö Crystal Osc. Ö Ö ¾ Ö Ö Ö Ö Rev. 1.30 1 August 6, 2003 PDF
Документация на HT1621B-LQFP48 

Дата модификации: 08.08.2003

Размер: 179.3 Кб

20 стр.

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