- Texas Instruments Floating Point Digital Signal Processor Specification Sheet


   
SPRS292A − OCTOBER 2005 − REVISED NOVEMBER 2005
80
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
SYNCHRONOUS DRAM TIMING (CONTINUED)
ECLKOUT
CEx
BE[3:0]
EA[21:13]
ED[31:0]
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 35. SDRAM DEAC Command
ECLKOUT
CEx
BE[3:0]
EA[21:2]
ED[31:0]
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 36. SDRAM REFR Command