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參數(shù)資料
| 型號(hào)： | ADSP-21MSP58BST-104 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | DSP Microcomputers |
| 中文描述： | 24-BIT, 13 MHz, OTHER DSP, PQFP100 |
| 封裝： | METRIC, PLASTIC, TQFP-100 |
| 文件頁數(shù)： | 34/40頁 |
| 文件大?。?/td> | 372K |
| 代理商： | ADSP-21MSP58BST-104 |
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REV. 0
–34–
ADSP-21msp58/59
Parameter
Min
Max
Unit
Host Interface Port
Multiplexed Data and Address (HMD1 = 1)
Read Strobe and Write Strobe (HMD0 = 1)
T iming Requirement:
t
HALP
t
HASU
t
HAH
t
HALS
t
HSU
t
HDSU
t
HWDH
t
HH
t
HRWP
ALE Pulse Width
HAD15-0 Address Setup before ALE Low
HAD15-0 Address Hold after ALE Low
Start of Write or Read after ALE Low
1
HRW Setup before Start of Write or Read
1
HAD15-0 Data Setup before End of Write
2
HAD15-0 Data Hold after End of Write
2
HRW Hold after End of Write or Read
2
Read or Write Pulse Width
3
10
5
2
10
5
5
3
3
20
ns
ns
ns
ns
ns
ns
ns
ns
ns
Switching Characteristic:
t
HSHK
t
HK H
t
HDE
t
HDD
t
HRDH
t
HRDD
HACK
Low after Start of Write or Read
1
HACK
Hold after End of Write or Read
2
HAD15-0 Data Enabled after Start of Read
1
HAD15-0 Data Valid after Start of Read
1
HAD15-0 Data Hold after End of Read
2
HAD15-0 Data Disabled after End of Read
2
0
0
0
15
15
ns
ns
ns
ns
ns
ns
18
0
7
NOT ES
1
Start of Write or Read =
HDS
Low and
HSEL
Low.
2
End of Write or Read =
HDS
High and
HSEL
High.
3
Read or Write Pulse Width =
HDS
Low and
HSEL
Low.
t
HKH
ALE
t
HRWP
ADDRESS
t
HALP
DATA
t
HSU
t
HWDH
t
HDSU
HSEL
HACK
HOST WRITE CYCLE
HAD7–0
HRW
t
HALS
t
HASU
t
HAH
t
HH
t
HSHK
HDS
t
HH
ALE
t
HRWP
ADDRESS
t
HALP
DATA
t
HSHK
t
HKH
t
HDE
HSEL
HACK
HOST READ CYCLE
HAD7–0
HRW
t
HALS
t
HASU
t
HAH
t
HRDD
t
HDD
t
HSU
t
HRDH
HDS
Figure 24. Host Interface Port (HMD1 = 1, HMD0 = 1)
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