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HT1623 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT1623 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 15 page  HT1623 RAM Mapping 48´8 LCD Controller for I/O MCU PATENTED PAT No. : 099352 Selection Table HT162X HT1620 HT1621 HT1622 HT16220 HT1623 HT1625 HT1626 COM 4488 8 816 SEG 32 32 32 32 48 64 48 Built-in Osc. ¾Ö Ö¾ Ö ÖÖ Crystal Osc. Ö Ö¾Ö ÖÖÖ Rev. 1.50 1 June 17, 2009 Features · Operating voltage: 2.7V~5.2V · Built-in RC oscillator · External 32.768kHz crystal or 32kHz frequency source input · 1/4 bias, 1/8 duty, frame frequency is 64Hz · Max. 48´8 patterns, 8 commons, 48 segments · Built-in internal resistor type bias generator · 3-wire serial interface · 8 kinds of time base or WDT selection · Time base or WDT overflow output · Built-in LCD display RAM · R/W address auto increment · Two selection buzzer frequencies (2kHz or 4kHz) · Power down command reduces power consumption · Software configuration feature · Data mode and Command mode instructions · Three data accessing modes · VLCD pin to adjust LCD operating voltage · HT1623: 100-pin QFP package HT1623G: Gold bumped chip General Description HT1623 is a peripheral device specially designed for I/O type MCU used to expand the display capability. The max. display segment of the device are 384 patterns (48 ´8). It also supports serial interface, buzzer sound, watchdog timer or time base timer functions. The HT1623 is a memory mapping and multi-function LCD controller. The software configuration feature of the HT1623 make it suitable for multiple LCD applications including LCD modules and display subsystems. Only three lines are required for the interface between the host controller and the HT1623. The HT162X series have many kinds of products that match various applica- tions. Technical Document · Application Note |
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