TMS320DM6437 Datasheet, PDF (210/309 Pages) Texas Instruments – Digital Media Processor

TMS320DM6437
Digital Media Processor
SPRS345B – NOVEMBER 2006 – REVISED MARCH 2007
www.ti.com
Table 6-25. Switching Characteristics Over Recommended Operating Conditions for Asynchronous
Memory Cycles for EMIFA Module (see Figure 6-14 and Figure 6-15) (continued)
NO.
24 t_w(EMWEL)
25 t_{d(EMWAITH-EMWEH)}
26 t_{su(EMDV-EMWEL)}
27 t_{h(EMWEH-EMDIV)}
PARAMETER
-400
-500
-600
UNIT
MIN
MAX
EM_WE active low width (EW = 0)
(WST + 1) * E -
TBD
(WST + 1) * E + TBD ns
EM_WE active low width (EW = 1)
(WST + 1) * E -
TBD
(WST + 4097) * E + TBD
Delay time from EM_WAIT deasserted to EM_WE high
4E + TBD ns
Output setup time, EM_D[7:0] valid to EM_WE low
(WS + 1) * E - TBD
(WS + 1) * E + TBD ns
Output hold time, EM_WE high to EM_D[7:0] invalid (WH + 1) * E - TBD
(WH + 1) * E + TBD ns
EM_CS[5:2]
EM_R/W
EM_BA[1:0]
EM_A[21:0]
4
8
6
EM_OE
EM_D[7:0]
3
1
10
12
5
9
7
13
EM_WE
Figure 6-14. Asynchronous Memory Read Timing for EMIF
210 Peripheral Information and Electrical Specifications
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