IDMA Address Latch
Table 21. IDMA Address Latch
Parameter
Timing Requirements:
tIALP
Duration of Address Latch1, 2
tIASU
IAD15–0 Address Setup before Address Latch End2
tIAH
IAD15–0 Address Hold after Address Latch End2
tIKA
IACK Low before Start of Address Latch2, 3
tIALS
Start of Write or Read after Address Latch End2, 3
tIALD
Address Latch Start after Address Latch End1, 2
1Start of Address Latch = IS Low and IAL High.
2End of Address Latch = IS High or IAL Low.
3Start of Write or Read = IS Low and IWR Low or IRD Low.
ADSP-218xN Series
Min
Max
Unit
10
ns
5
ns
3
ns
0
ns
3
ns
2
ns
IACK
IAL
IS
IAD15–0
IRD OR
IWR
tIKA
tIALP
tIALD
tIALP
tIASU
tIAH
tIASU
tIAH
tIALS
Figure 30. IDMA Address Latch
REV. 0
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