參數(shù)資料
型號(hào): ADSP-2115BP-80
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: ADSP-2100 Family DSP Microcomputers
中文描述: 24-BIT, 20 MHz, OTHER DSP, PQCC68
封裝: PLASTIC, LCC-68
文件頁(yè)數(shù): 36/64頁(yè)
文件大?。?/td> 666K
代理商: ADSP-2115BP-80
ADSP-21xx
–36–
REV. B
TIMNGPARAMETERS (ADSP-2111)
HOST INT E RFACE PORT
Separate Data & Address (HMD1 = 0 )
Read Strobe & Write Strobe (HMD0 = 0)
13.0 MHz
Min
16.67 MHz
Min
20 MHz
Min
No Frequency
Dependency
Parameter
Max
Max
Max
Unit
Timing Requirement:
t
HSU
HA2-0 Setup before Start of Write or Read
1, 2
t
HDSU
Data Setup before End of Write
3
t
HWDH
Data Hold after End of Write
3
t
HH
HA2-0 Hold after End of Write or Read
3, 4
t
HRWP
Read or Write Pulse Width
5
Switching Characteristic:
t
HSHK
HACK Low after Start of Write or Read
1, 2
t
HKH
HACK Hold after End of Write or Read
3, 4
t
HDE
Data Enabled after Start of Read
2
t
HDD
Data Valid after Start of Read
2
t
HRDH
Data Hold after End of Read
4
t
HRDD
Data Disabled after End of Read
4
8
8
3
3
30
8
8
3
3
30
8
8
3
3
30
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 = HWR Low and HSEL Low.
2
Start of Read = HRD Low and HSEL Low.
3
End of Write = HWR High or HSEL High.
4
End of Read = HRD High or HSEL High.
5
Read Pulse Width = HRD Low and HSEL Low, Write Pulse Width = HWR Low and HSEL Low.
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