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universal serial bus mass storage class control/bulk/interrupt/(cbi)transport
This document represents timing diagrams of MMC and SD bus interfaces.
PCI Bus Power Management Interface Specification v1.2 (2004-03-03).pdf
Universal Serial Bus CDC Subclass Specification for Wireless Mobile Communication Devices
ect Specify ARM System Bus (ASB) Region for 36k of SRAM
Universal Serial Bus Device Class Definition for Audio Data Formats The intention of this
The I2C-bus or Inter-Integrated Circuit bus has been developed by Philips. it allowsintegrated c
Information technology — Radio frequency identification for item management — Part 3: Parameters for air interface com...
把R、L、C转换成频率信号f，转换的原理分别是RC振荡电路和LC电容三点式振荡电路。单片机计数得出被测频率，由该频率计算出各个参数值，数据处理后，送显示。