參數(shù)資料
型號: ADSP-21MSP59
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: DSP Microcomputer(DSP 微計算機)
中文描述: 24-BIT, 13 MHz, OTHER DSP, PQFP100
封裝: METRIC, PLASTIC, TQFP-100
文件頁數(shù): 32/40頁
文件大小: 392K
代理商: ADSP-21MSP59
REV. 0
–32–
ADSP-21msp58/59
Parameter
Min
Max
Unit
Host Interface Port
Separate Data and Address (HMD1 = 0)
Read Strobe and Write Strobe (HMD0 = 1)
T iming Requirement:
t
HSU
t
HDSU
t
HWDH
t
HH
t
HRWP
HA2-0, HRW Setup before Start of Write or Read
1
Data Setup before End of Write
2
Data Hold after End of Write
2
HA2-0, HRW Hold after End of Write or Read
2
Read or Write Pulse Width
3
5
5
3
3
20
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
Data Enabled after Start of Read
1
Data Valid after Start of Read
1
Data Hold after End of Read
2
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.
HA2–0
t
HKH
t
HRWP
t
HH
ADDRESS
t
HSU
t
HSHK
HSEL
HACK
HOST READ CYCLE
HD7–0
HDS
HRW
DATA
t
HRDH
HRDD
t
HDE
HDD
HA2–0
t
HKH
t
HRWP
t
HH
ADDRESS
t
HSU
DATA
t
HSHK
t
HWDH
t
HDSU
HSEL
HACK
HOST WRITE CYCLE
HD7–0
HDS
HRW
Figure 22. Host Interface Port (HMD1 = 0, HMD0 =1)
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