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On-chip debug emulator, debugging method, and microcomputer
On-chip debug emulator, debugging method, and microcomputer
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机译:片上调试仿真器,调试方法和微计算机
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摘要
An on-chip debug emulator is capable of connecting to the target device and the host device for remotely debugging the program in the target device. The on-chip debug emulator contains a debug communication control unit. This debug communication control unit contains a plurality of serial communication circuits, the plurality of serial communication circuits are commonly provided with a clock signal. The debug communication control unit controls communications with the target device based on commands output from the host device. Each of The plurality of serial communication circuits contains a data buffer and serially transmits data stored in the data buffer to and from the target device while synchronized with the clock signal. Namely, the plurality of serial communication circuits communicate in parallel while operating synchronized with the same clock. The on-chip debug emulator can in this way be made utilizing a low-cost microcomputer not containing any parallel communication circuits.
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