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The PCA9537 is a 10-pin CMOS device that provides 4 bits of General Purpose parallelInput/Out
The PCA9538 is a 16-pin CMOS device that provides 8 bits of General Purpose parallelInput/Out
％ decode with soft-input viterbi algorithm 硬判决 ％ //k=4,r=1/2 ％输入数据为软信息，并且数据为均值为1的BPSK调制，如果均值为MEAN,那么62,63,103,104行应做...
Use P/Invoke to Develop a .NET Base Class Library for Serial Device Communications
本文以实现最简单的SERIAL KITL为目的，就其实现代码进行跟踪调试，这些代码跨越了WINCE的PLATFORM、PUBLIC、PRIVATE三大主要目录，有些烦琐，不过只要能调通，一切工作和弯路都是值得的。我把调试经验和个人理解写下来...
The AT24C512 provides 524,288 bits of serial electrically erasable and programmable read only memory (EEPROM) organized...
RFID中rc500的读写程序。Firmware for MFRC500 Demo Serial Reader