參數(shù)資料
型號(hào): ADSP-21XX
廠商: Analog Devices, Inc.
英文描述: ADSP-2100 Family DSP Microcomputers
中文描述: 的ADSP - 2100系列DSP的微機(jī)
文件頁(yè)數(shù): 25/32頁(yè)
文件大小: 231K
代理商: ADSP-21XX
ADSP-21mod870
–25–
REV. 0
Parameter
Min
Max
Unit
IDMA Address Latch
Timing Requirements
:
t
IALP
t
IASU
t
IAH
t
IKA
t
IALS
t
IALD
Duration of Address Latch
1, 2
IAD15–0 Address Setup before Address Latch End
2
IAD15–0 Address Hold after Address Latch End
2
IACK
Low before Start of Address Latch
2, 3
Start of Write or Read after Address Latch End
1, 2
Address Latch Start after Address Latch End
1, 2
10
5
2
0
3
2
ns
ns
ns
ns
ns
ns
NOTES
1
Start of Address Latch =
IS
Low and IAL High.
2
End of Address Latch =
IS
High or IAL Low.
3
Start of Write or Read =
IS
Low and
IWR
Low or
IRD
Low.
IACK
IAL
IS
IAD15–0
IRD
OR
IWR
t
IKA
t
IALP
t
IALD
t
IASU
t
IAH
t
IASU
t
IALS
t
IAH
t
IALP
Figure 27. IDMA Address Latch
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