參數(shù)資料
型號(hào): ADMC401BST
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: Single-Chip, DSP-Based High Performance Motor Controller
中文描述: 24-BIT, 13 MHz, OTHER DSP, PQFP144
封裝: PLASTIC, LQFP-144
文件頁(yè)數(shù): 8/60頁(yè)
文件大?。?/td> 417K
代理商: ADMC401BST
REV. B
ADMC401
–8–
Parameter
Memory Read
Timing Requirements
:
t
RDD
t
AA
t
RDH
Switching Characteristics
:
t
RP
t
CRD
t
ASR
t
RDA
t
RWR
Min
Max
Unit
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
RD
Pulsewidth
CLKOUT 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
ns
0.25t
CK
+ 7
w = wait states
×
t
CK
.
CLKOUT
A0–A13
D
RD
WR
DMS
,
PMS
BMS
t
RWR
t
RP
t
ASR
t
CRD
t
AA
t
RDA
t
RDD
t
RDH
Figure 4. Memory Read
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