Serially Interfaced, 8Digit LED Display Drivers（连续界面上的8位LED显示驱动程序）.pdfVIP

下载本文档

4
0
约7.66万字
约 17页
2017-09-02 发布于浙江
举报
版权申诉

Serially Interfaced, 8Digit LED Display Drivers（连续界面上的8位LED显示驱动程序）.pdf

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

Serially Interfaced, 8Digit LED Display Drivers（连续界面上的8位LED显示驱动程序）

AVAILABLE MAX7219/MAX7221 Serially Interfaced, 8-Digit LED Display Drivers General Description Features The MAX7219/MAX7221 are compact, serial input/out- ♦♦ 10MHz Serial Interface put common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED dis- ♦♦ Individual LED Segment Control plays of up to 8 digits, bar-graph displays, or 64 indi- ♦♦ Decode/No-Decode Digit Selection vidual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit ♦♦ 150µA Low-Power Shutdown (Data Retained) drivers, and an 8x8 static RAM that stores each digit. ♦♦ Digital and Analog Brightness Control Only one external resistor is required to set the seg- ment current for all LEDs. The MAX7221 is compatible ♦♦ Display Blanked on Power-Up with SPI™, QSPI™, and MICROWIRE™, and has slew- ♦♦ Drive Common-Cathode LED Display rate-limited segment drivers to reduce EMI. A convenient 4-wire serial interface connects to all ♦♦ Slew-Rate Limited Segment Drivers common µPs. Individual digits may be addressed and for Lower EMI (MAX7221) updated without rewriting the entire display. The ♦♦ SPI, QSPI, MICROWIRE Serial Interface (MAX7221) MAX7219/MAX7221 also allow the user to select code- B decoding or no-decode for each digit. ♦♦ 24-Pin DIP and SO Packages The devices include a 150µA low-power shutdown Ordering Information mode, analog and digital brightness control, a scan- limit regis