Texas Instruments TMS320DM643 Manuale Utente

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DDR_CLK

DDR_CKE

DDR_CS

DDR_RAS

DDR_WE

DDR_A[12,11, 9:0]

DDR_BA[2:0]

DDR_DQM[3:0]

DEAC

DDR_A[10]

DDR_CAS

DDR_CLK

Peripheral Architecture

The DEAC command closes a single bank of memory specified by the bank select signals.

shows

the timings diagram for a DEAC command.

Figure 6. DEAC Command

SPRU986B – November 2007

DDR2 Memory Controller