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Table A.18 lists the EBI signals.
Table A.18. EBI signals
| Signal [1] | Type | Source/ destination | Description |
|---|---|---|---|
| ebibackoff<x> | Input | SMC | External 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> | Input | SMC | External memory bus grant. The EBI grant signal goes HIGH when the EBI grants the external memory bus. |
| ebireq<x> | Output | External | External 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. | |||