adsp-2186n Analog Devices, Inc., adsp-2186n Datasheet - Page 34

• Manufacturer Part Number: adsp-2186n
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

ADSP-218xN
IDMA Address Latch
Table 21. IDMA Address Latch
1
2
3
Parameter
Timing Requirements:
t
t
t
t
t
t
Start of Address Latch = IS Low and IAL High.
End of Address Latch = IS High or IAL Low.
Start of Write or Read = IS Low and IWR Low or IRD Low.
IALP
IASU
IAH
IKA
IALS
IALD
Duration of Address Latch
IAD15–0 Address Setup Before Address Latch End
IAD15–0 Address Hold After Address Latch End
IACK Low before Start of Address Latch
Start of Write or Read After Address Latch End
Address Latch Start After Address Latch End
IRD OR IWR
IAD15–0
IACK
IAL
IS
1, 2
t
IKA
Rev. A | Page 34 of 48 | August 2006
Figure 32. IDMA Address Latch
t
IALP
2, 3
t
IASU
1, 2
2, 3
2
t
IAH
2
t
IALD
t
IALP
t
IASU
Min
10
5
3
0
3
2
t
IAH
t
IALS
Max
Unit
ns
ns
ns
ns
ns
ns