External Memory Interface Handbook Volume 3: Reference Material

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ID 683841
Date 7/24/2019
Public
Document Table of Contents

7.3.5. Address and Command Decoding Logic

When the main state machine issues a command to the memory, it asserts a set of internal signals. The address and command decoding logic turns these signals into AFI-specific commands and address.

The following signals are generated:

  • Clock enable and reset signals: afi_cke, afi_rst_n
  • Command and address signals: afi_cs_n, afi_ba, afi_addr, afi_ras_n, afi_cas_n, afi_we_n

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