创唯电子销售集成电路 (IC) - UART(通用异步接收器/发送器), SC16C550BIBS 157, SC16C550BIN40 112, SC16C550IA44 512, SC16C550IA44 518, SC16C550IA44 529, SC16C550IB48 128, SC16C550IB48 151, SC16C550IB48 157, SC16C550IN40 112, SC16C554BIB64 128, SC16C554BIB64 151, SC16C554BIB64 157.