adsp-2185m Analog Devices, Inc., adsp-2185m Datasheet - Page 31

• Manufacturer Part Number: adsp-2185m
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

Parameter
IDMA Write, Long Write Cycle
Timing Requirements:
t
t
t
Switching Characteristics:
t
t
NOTES
1
2
3
4
Start of Write = IS Low and IWR Low.
If Write Pulse ends before IACK Low, use specifications t
If Write Pulse ends after IACK Low, use specifications t
This is the earliest time for IACK Low from Start of Write. For IDMA Write cycle relationships, please refer to the ADSP-2100 Family User’s Manual.
IKW
IKSU
IKH
IKLW
IKHW
IACK Low before Start of Write
IAD15–0 Data Setup before End of Write
IAD15–0 Data Hold after End of Write
Start of Write to IACK Low
Start of Write to IACK High
IAD15–0
IACK
IWR
IS
IKSU
4
IDSU
, t
t
IKW
, t
IKH
1
IDH
.
.
2, 3, 4
2, 3, 4
t
IKHW
t
IKSU
t
IKLW
DATA
Min
0
0.5t
0
1.5t
t
IKH
CK
CK
+ 5
ADSP-2185M
Max
10
Unit
ns
ns
ns
ns
ns