【产品】内置RC振荡的键盘扫描驱动ICWT0032,采用CMOS工艺,最大支持矩阵按键10×2
唯创知音的WT0032是一种带键盘扫描接口的LED驱动控制专用IC(可替换TM1628),内部集成有MCU 数字接口、数据锁存器、LED 驱动、键盘扫描等电路。WT0032键盘扫描驱动IC质量可靠、稳定性好、抗干扰能力强。主要适用于家电设备(智能热水器、微波炉、洗衣机、空调、电磁炉)、机顶盒、电子称、智能电表等数码管或LED显示设备。同时结合唯创公司的标准语音芯片WT2003H-16S、WT588F02B-16S芯片使用时只需要UART或IIC串口控制语音播放及LCD显示驱动,操作更加简单细节资料可以参考WT2003H、WT588F02B语音芯片说明书。
产品特点
1、采用CMOS工艺;
2、多种显示模式(10段×7位~13段×4 位);
3、最大支持矩阵按键10×2;
4、辉度调节电路(8级占空比可调);
5、串行接口(CLK,CS,DATA);
6、振荡方式:内置RC振荡;
7、内置上电复位电路;
8、内置数据锁存电路;
9、内置针对LED反偏漏电导致暗亮问题优化电路;
10、抗干扰能力强;
11、封装形式:SOP28。
LED驱动芯片选型
管脚介绍
产品应用
LED显示驱动芯片可以应用于家电设备(智能热水器、微波炉、洗衣机、空调、电磁炉)、机顶盒、电子称、智能电表等数码管或LED显示设备;产品的低功耗、便于应用、复合功能多等特点方便用户选用。
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本文由海底沉心转载自唯创知音,原文标题为:WT0032键盘扫描驱动IC,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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可烧录MCU/MPU,EPROM,EEPROM,FLASH,Nand Flash, PLD/CPLD,SD Card,TF Card, CF Card,eMMC Card,eMMC,MoviNand, OneNand等各类型IC,IC封装:DIP/SDIP/SOP/MSOP/QSOP/SSOP/TSOP/TSSOP/PLCC/QFP/QFN/MLP/MLF/BGA/CSP/SOT/DFN.
最小起订量: 1 提交需求>
测试范围:扬兴晶振全系列晶体,通过对晶体回路匹配分析,调整频率、驱动功率和起振能力,解决频偏、不起振、干扰、频率错误等问题。技术专家免费分析,测完如有问题,会进一步晶振烧录/修改电路。
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