參數(shù)資料
型號(hào): ADSP-2171KS-104
廠商: ANALOG DEVICES INC
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: CAP 4.7PF 50V +/-0.5PF NPO(C0G) SMD-0603 TR-7-PA
中文描述: 24-BIT, 13 MHz, OTHER DSP, PQFP128
封裝: PLASTIC, QFP-128
文件頁(yè)數(shù): 41/52頁(yè)
文件大?。?/td> 664K
代理商: ADSP-2171KS-104
ADSP-2171/ADSP-2172/ADSP-2173
REV. A
–41–
ADSP-2173
Parameter
Min
Max
Unit
Host Interface Port
Multiplexed Data and Address (HMD1 = 1)
Read Strobe and Write Strobe (HMD0 = 0)
T iming Requirement:
t
HALP
t
HASU
t
HAH
t
HALS
t
HDSU
t
HWDH
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, 2
HAD15–0 Data Setup before End of Write
3
HAD15–0 Data Hold after End of Write
3
Read or Write Pulse Width
5
15
5
2
15
8
3
30
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, 2
HACK
Hold after End of Write or Read
3, 4
HAD15–0 Data Enabled after Start of Read
2
HAD15–0 Data Valid after Start of Read
2
HAD15–0 Data Hold after End of Read
HAD15–0 Data Disabled after End of Read
4
0
0
0
20
20
ns
ns
ns
ns
ns
ns
23
0
15
NOT ES
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.
ADDRESS
t
HDSU
DATA
HACK
HWR
HSEL
HD15–0
t
HRWP
t
HSHK
ALE
t
HALP
t
HALS
t
HKH
t
HAH
t
HASU
t
HWDH
t
HRDH
t
HRDD
t
HDE
ADDRESS
DATA
HACK
HRD
HSEL
HAD15–0
t
HRWP
t
HSHK
ALE
t
HALP
t
HALS
t
HKH
t
HAH
t
HASU
t
HDD
Figure 32. Host Interface Port (HMD1 = 1, HMD0 = 0)
Host Write Cycle
Host Read Cycle
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