IIC bus protocol analysis on the basis of a detailed description in the text adopted by the IIC module DM642 video decoder chip register configuration, calibration process.
在分析IIC总线协议的基础上，文中详细叙述了DM 642通过IIC模块对视频编解码芯片的寄存器进行配置、校验的流程。
Based on CAN bus and CCP protocol, and using CANape as the software of its master machine, a calibration system for ECU products of electronically-controlled diesel engine is developed.
介绍了CCP协议的基本原理、通信方式以及用于ECU标定的各种工作模式，讨论了一种基于该协议的汽车电控单元标定系统的设计方法。
It 's the convenience of on-line calibration or maintenance by a HART protocol device.
HART协议设备可以方便的进行现场调校、维护。
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