Architectures and Processors forum Protection control

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Protection control

Deva over 6 years ago

Dear Team ,

Currently i am Developing and verifying AHB 5 Protocol. I am not able to understand HPROT signal and its behavior.

Please help to get clarity on this signal and its behavior.

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vstehle over 6 years ago +1 verified

Hi Deva , As per the Arm AMBA 5 AHB Protocol Specification : "The signals indicate if the transfer is an opcode fetch or data access, and if the transfer is a privileged mode access or a user mode...

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0 Deva over 6 years ago in reply to vstehle

HI ,

Thanks for your responds,. may i know who is responsible to drive this signal.
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0 Deva over 6 years ago in reply to vstehle

HI ,

Thanks for your responds,. may i know who is responsible to drive this signal.
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0 vstehle over 6 years ago in reply to Deva

This is driven by the Master.

See Figure 1-2 "Master interface" for example.
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