</a>LED" title="LED">LED" title="LED">LED控制器驅(qū)動(dòng)器,最大顯示段為16x8,并帶有133陣列掃描電路,工作電壓4.5V-5.5V,軟件配置特性使得很適合多個(gè)LED應(yīng)用,通過兩線雙向I2C總線和大多數(shù)MCU兼容,主要用在工業(yè)控制指示器,數(shù)字時(shí)鐘,溫度計(jì),計(jì)數(shù)器,VCR,儀表讀出,顯示器" title="LED顯示器">LED顯示器和其它消費(fèi)類電子應(yīng)用.本文介紹了HT16K33主要特性, 方框圖, 16x8, 15x8, 12x8, 11x8和8x8, 7x8顯示器應(yīng)用電路圖.

RAM Mapping 16*8 LED Controller Driver with keyscan

The HT16K33 is a memory mapping and multi-function LED controller driver. The max. Display segment numbers in the device is 128 patterns (16 segments and 8 commons) with a 13*3 (MAX.) matrix key scan circuit. The software configuration features of the HT16K33 makes it suitable for multiple LED applications including LED modules and display subsystems. The HT16K33 is compatible with most microcontrollers and communicates via a two-line bidirectional I2C-bus.

HT16K33主要特性:

●●Operating voltage: 4.5V~5.5V

●●Integrated RC oscillator

●●I2C-bus interface

●●16*8 bits RAM for display data storage

●●Max. 16 x 8 patterns, 16 segments and 8 commons

●●R/W address auto increment

●●Max. 13 x 3 matrix key scanning

●●16-step dimming circuit

●●Selection of 20/24/28-pin SSOP package types

HT16K33應(yīng)用:

●●Industrial control indicators

●●Digital clocks, thermometers, counters, multimeters

●●Combo sets

●●VCR sets

●●Instrumentation readouts

●●Other consumer applications

●●LED Displays

圖1.HT16K33方框圖

圖2.HT16K33 16x8顯示器應(yīng)用電路圖

圖3.HT16K33 15x8顯示器應(yīng)用電路圖

圖4.HT16K33 12x8顯示器應(yīng)用電路圖

圖5.HT16K33 11x8顯示器應(yīng)用電路圖

圖6.HT16K33 8x8顯示器應(yīng)用電路圖

圖7.HT16K33 7x8顯示器應(yīng)用電路圖
詳情請(qǐng)見:
http://www.holtek.com.tw/PDF/consumer/ht16K33v100.pdf