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參數資料
型號: ADSP-2173BS-80
廠商: ANALOG DEVICES INC
元件分類: 數字信號處理
英文描述: DSP Microcomputer
中文描述: 24-BIT, 10 MHz, OTHER DSP, PQFP128
封裝: PLASTIC, QFP-128
文件頁數: 42/52頁
文件大小: 664K
代理商: ADSP-2173BS-80
REV. A
–42–
ADSP-2171/ADSP-2172/ADSP-2173
ADSP-2173
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
15
5
2
15
8
8
3
3
30
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
20
20
ns
ns
ns
ns
ns
ns
23
0
15
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.
ADDRESS
t
HDSU
DATA
HACK
HRW
HSEL
HD15–0
t
HRWP
t
HSHK
ALE
t
HALP
t
HALS
t
HKH
t
HAH
t
HASU
t
HWDH
HDS
t
HH
t
HSU
ADDRESS
DATA
HACK
HRW
HSEL
HD15–0
t
HRWP
t
HSHK
ALE
t
HALP
t
HALS
t
HKH
t
HAH
t
HASU
t
HRDH
HDS
t
HH
t
HSU
t
HDE
t
HDD
t
HRDD
Figure 33. Host Interface Port (HMD1 = 1, HMD0 = 1)
Host Write Cycle
Host Read Cycle
相關PDF資料
PDF描述
ADSP-2171 DSP Microcomputer(DSP 微計算機)
ADSP-2172 DSP Microcomputer(DSP 微計算機)
ADSP-2173 DSP Microcomputer(DSP 微計算機)
ADSP-2181BS-115 DSP Microcomputer
ADSP-2181BS-133 DSP Microcomputer
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參數描述
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