BDMA 是无色至微黄色透明液体,纯度≥98%或≥99%, 水分≤0.05%。溶于乙醇、乙醚,不溶于水。典型物化性能为:黏度(25℃)90mPa。s,密度(25℃)0.897g/cm3,凝固点-75℃,沸程178-184℃或70-72℃/1.6kPa,折射率(25℃)1.5011,闪点(TCC)54℃,蒸气压(20℃)200Pa。
BDMA comprises four phases of the system life cycle: build, deploy, manage, and audit.
BD ma包含系统生命周期的四个阶段:构建、部署、管理和审计。
The main role of BDMA is to transfer the data between external memory and internal peripherals like UART, IIS and SIO, which are attached to SPB.
BDMA的主要作用是用来在外部存储器与内部外设之间传送数据的,就像被连接到SPB上的UART、IIS和SIO一样。
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