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HT16K23 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT16K23 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 30 page  Rev. 1.10 1 July 01, 2011 Rev. 1.00 PB July 01, 2011 HT16K23 RAM Mapping 20*4/16*8 LCD Controller Driver with keyscan Feature ● Logic voltage: 2.4~5.5V ● Integrated RC oscillator ● Various display modes – Max. 20*4 patterns, 20 segments, 4 commons, 1/3 bias, 1/4 duty – Max. 16*8 patterns, 16 segments, 8 commons, 1/4 bias, 1/8 duty ● I2C-bus interface ● Key scan function – Max. 20*1 matrix key scanning in 20*4 display mode – Max. 16*1 matrix key scanning in 16*8 display mode ● 16*8 bits RAM for display data storage ● Selectable hardware interrupt ● R/W address auto increment ● Manufactured in silicon gate COMS process ● 28-pin SOP package Applications ● Industrial control indicator ● Digital clock, thermometer, counter, voltmeter ● Combo set. ● VCR set ● Instrumentation readouts ● Other consumer application ● LCD displays General Description The HT16K23 is a memory mapping and multi- function LCD controller driver. The Max. display segment numbers in the device are 80 patterns (20 segments and 4 commons) or 128 patterns (16 segments and 8 commons). The Max. key scan circuits are 20*1 matrix or 16*1 matrix. The software configuration feature of the HT16K23 makes it suitable for multiple LCD applications including LCD modules and display subsystems. The HT16K23 supports a hardware interrupt using register setting. The HT16K23 is compatible with most microcontrollers and communicates via a two-line bidirectional I2C-bus. |
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