一个简单的ＳＰＩ　ＩＰ核，SPI Core Specifications　可以从说明文档中找到！ The simple Serial Peripheral Interface core is an enhanced version of the Serial Peripheral Interface found on Motorola s M68HC11 family of CPUs. The Serial Peripheral Interface is a serial, synchron

串口调试的方法和步骤.让你能从浅到深的去完成一个串口调试-Serial debugging methods and procedures. You go from shallow to deep to complete a serial debug

ESPON热敏打印机串口通信协议说明，深满忠足行业内的标准-ESPON thermal printer serial communication protocol, the industry loyalty foot deep full standard