參數(shù)資料
型號: ADSP-2115BS-80
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: ADSP-2100 Family DSP Microcomputers
中文描述: 24-BIT, 20 MHz, OTHER DSP, PQFP80
封裝: METRIC, PLASTIC, QFP-80
文件頁數(shù): 42/64頁
文件大?。?/td> 666K
代理商: ADSP-2115BS-80
ADSP-21xx
–42–
REV. B
TIMNGPARAMETERS (ADSP-2111)
HOST INT E RFACE PORT
Multiplexed Data & Address (HMD1 = 1)
Read/Write Strobe & Data Strobe (HMD0 = 1 )
13.0 MHz
Min
16.67 MHz
Min
20 MHz
Min
No Frequency
Dependency
Parameter
Max
Max
Max
Unit
Timing Requirement:
t
HALP
ALE Pulse Width
t
HASU
HAD15-0 Address Setup before ALE Low
t
HAH
HAD15-0 Address Hold after ALE Low
t
HALS
Start of Write or Read after ALE Low
1
t
HSU
HRW Setup before Start of Write or Read
1
t
HDSU
HAD15-0 Data Setup before End of Write
2
t
HWDH
HAD15-0 Data Hold after End of Write
2
t
HH
HRW Hold after End of Write or Read
2
t
HRWP
Read or Write Pulse Width
3
Switching Characteristic:
t
HSHK
HACK Low after Start of Write or Read
1
t
HKH
HACK Hold after End of Write or Read
2
t
HDE
HAD15-0 Data Enabled after Start of Read
1
t
HDD
HAD15-0 Data Valid after Start of Read
1
t
HRDH
HAD15-0 Data Hold after End of Read
2
t
HRDD
HAD15-0 Data Disabled after End of Read
2
15
5
2
15
8
5
3
3
30
15
5
2
15
8
5
3
3
30
15
5
2
15
8
5
3
3
30
ns
ns
ns
ns
ns
ns
ns
ns
ns
0
0
0
20
20
0
0
0
20
20
0
0
0
20
20
ns
ns
ns
ns
ns
ns
23
23
23
0
0
0
10
10
10
NOTES
1
Start of Write or Read = HDS Low and HSEL Low.
2
End of Write or Read = HDS High or HSEL High.
3
Read or Write Pulse Width = HDS Low and HSEL Low.
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