參數(shù)資料
型號(hào): ADSP-21MSP59
廠商: ANALOG DEVICES INC
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: DSP Microcomputer(DSP 微計(jì)算機(jī))
中文描述: 24-BIT, 13 MHz, OTHER DSP, PQFP100
封裝: METRIC, PLASTIC, TQFP-100
文件頁(yè)數(shù): 28/40頁(yè)
文件大?。?/td> 392K
代理商: ADSP-21MSP59
REV. 0
–28–
ADSP-21msp58/59
Parameter
Min
Max
Unit
Memory Read
T iming Requirement:
t
RDD
t
AA
t
RDH
RD
Low to Data Valid
A0-A13,
PMS
,
DMS
,
BMS
to Data Valid
Data Hold from
RD
High
0.5t
CK
– 11 + w
0.75t
CK
– 12 + w
ns
ns
ns
0
Switching Characteristic:
t
RP
t
CRD
t
ASR
t
RDA
t
RWR
RD
Pulse Width
CLK OUT High to
RD
Low
A0-A13,
PMS
,
DMS
,
BMS
Setup before
RD
Low
A0-A13,
PMS
,
DMS
,
BMS
Hold after
RD
Deasserted
RD
High to
RD
or
WR
Low
0.5t
CK
– 5 + w
0.25t
CK
– 5
0.25t
CK
– 6
0.25t
CK
– 3
0.5t
CK
– 5
ns
ns
ns
ns
0.25t
CK
+ 7
NOT E
w = wait states
×
t
CK
.
CLKOUT
t
RP
WR
DMS
,
PMS
,
BMS
t
RDA
t
ASR
t
CRD
t
RWR
t
RDH
t
ROD
t
AA
A0 – A13
RD
D
Figure 18. Memory Read
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