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TMS320C6712D
FLOATINGĆPOINT DIGITAL SIGNAL PROCESSOR
SPRS293A − OCTOBER 2005 − REVISED NOVEMBER 2005
79
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
SYNCHRONOUS DRAM TIMING (CONTINUED)
ECLKOUT
CE[3:0]
BE[1:0]
EA[21:13]
ED[15:0]
EA12
AOE/SDRAS/SSOE
†
ARE
/SDCAS/SSADS
†
AWE
/SDWE/SSWE
†
EA[11:2]
Bank
11
12
5
5
1
DEAC
11
12
4
4
1
†
ARE
/SDCAS/SSADS, AWE/SDWE/SSWE, and AOE/SDRAS/SSOE operate as SDCAS, SDWE, and SDRAS, respectively, during SDRAM
accesses.
Figure 34. SDRAM DEAC Command
ECLKOUT
CE[3:0]
BE[1:0]
EA[21:2]
ED[15:0]
EA12
AOE
/SDRAS/SSOE
†
ARE
/SDCAS/SSADS
†
AWE
/SDWE/SSWE
†
8
12
1
REFR
8
12
1
†
ARE
/SDCAS/SSADS, AWE/SDWE/SSWE, and AOE/SDRAS/SSOE operate as SDCAS, SDWE, and SDRAS, respectively, during SDRAM
accesses.
Figure 35. SDRAM REFR Command