Texas-instruments TMS320DM646X DMSOC Manuel d'utilisateur télécharger pdf (Page 32)

(m)

Strobe

Setup Hold

EM_CS

EM_A[21:0]

EM_BA[1:0]

EM_OE

EM_D[15:0]

ACC

(m)

COD

(m)

Use Cases

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Figure 12. Timing Waveform of an ASRAM Read

For a write access, Table 18 lists the AC timing specifications that must be satisfied.

Table 18. ASRAM Input Timing Requirements for a Write

Parameter Description

Write Pulse width

Address valid to end of Write

Data Setup time

Write Recovery time

Data Hold time

Write Cycle time

Asynchronous External Memory Interface (EMIF) SPRUEQ7C–February 2010

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Texas-instruments TMS320DM646X DMSOC Manuel d'utilisateur Page 32