參數(shù)資料
型號(hào): ADSP2103
英文描述: (666.40 k)
中文描述: (666.40十一)
文件頁(yè)數(shù): 40/64頁(yè)
文件大小: 666K
代理商: ADSP2103
ADSP-21xx
–40–
REV. B
TIMNGPARAMETERS (ADSP-2111)
HOST INT E RFACE PORT
Multiplexed Data & Address (HMD1 = 1)
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
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, 2
t
HDSU
HAD15-0 Data Setup before End of Write
3
t
HWDH
HAD15-0 Data Hold after End of Write
3
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
HAD15-0 Data Enabled after Start of Read
2
t
HDD
HAD15-0 Data Valid after Start of Read
2
t
HRDH
HAD15-0 Data Hold after End of Read
4
t
HRDD
HAD15-0 Data Disabled after End of Read
4
15
5
2
15
8
3
30
15
5
2
15
8
3
30
15
5
2
15
8
3
30
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 = 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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