摘要
简要介绍了 TEMIC公司的 e5550射频识别集成电路、U2 2 70 B读 /写基站集成电路、微控制器芯片 M44C2 60和电控锁构成的非接触门禁系统电路及电路设计中应注意的一些问题。
This paper introduced the Gate ban system based on the RFID integrated circuit IC e5550, the read/write base station integrated circuit U2270B, the microcontroller M44C260 of TEMIC Corporation and the electrocontrol lock. Some points for attention of the design circuit are also given.
出处
《电子工程师》
2001年第4期51-53,共3页
Electronic Engineer