A.6. EBI signals

Table A.18 lists the EBI signals.

Table A.18. EBI signals

Signal [1]Type

Source/

destination

Description
ebibackoff<x>InputSMCExternal memory bus access backoff. The EBI backoff signal goes active HIGH when the EBI wants to remove the SMC from the memory bus so that another memory controller can be granted the memory bus.
ebigrant<x>InputSMCExternal memory bus grant. The EBI grant signal goes HIGH when the EBI grants the external memory bus.
ebireq<x>OutputExternalExternal memory bus request. The EBI request signal goes HIGH when the SMC requires the memory bus.

[1] The <x> notation represents memory interface 0 or 1.

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