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How the additional registers are accessed in the OnCE?(a) parallel port(b) serial port(c) jtag(d) address registerI have been asked this question during an interview.The doubt is from Emulation Techniques topic in chapter Emulation and Debugging Techniques of Embedded Systems

Answer»

Right option is (b) SERIAL port

For explanation: The on-chip emulation can ACCESS additional registers by using a special serial port WITHIN the device that provides control over the PROCESSOR and access to its internal registers.



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