參數(shù)資料
型號(hào): ADMC401-PB
廠商: Analog Devices, Inc.
英文描述: Single-Chip, DSP-Based High Performance Motor Controller
中文描述: 單芯片,基于DSP的高性能電機(jī)控制器
文件頁數(shù): 9/60頁
文件大小: 417K
代理商: ADMC401-PB
ADMC401
–9–
REV. B
Parameter
Memory Write
Switching Characteristics
:
t
DW
t
DH
t
WP
t
WDE
t
ASW
t
DDR
t
CWR
t
AW
t
WRA
t
WWR
Min
Max
Unit
Data Setup before
WR
High
Data Hold after
WR
High
WR
Pulsewidth
WR
Low to Data Enabled
A0–A13,
DMS
,
PMS
Setup before
WR
Low
Data Disable before
WR
or
RD
Low
CLKOUT High to
WR
Low
A0–A13,
DMS
,
PMS
, Setup before
WR
Deasserted
A0–A13,
DMS
,
PMS
Hold after
WR
Deasserted
WR
High to
RD
or
WR
Low
0.5t
CK
– 7 + w
0.25t
CK
– 2
0.5t
CK
– 5 + w
0
0.25t
CK
– 6
0.25t
CK
– 6
0.25t
CK
– 5
0.75t
CK
– 9 + w
0.25t
CK
– 3
0.5t
CK
– 5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
0.25t
CK
+ 7
w = wait states
×
t
CK
.
CLKOUT
A0
A13
D
WR
DMS
,
PMS
RD
t
WRA
t
WWR
t
WP
t
ASW
t
AW
t
DH
t
DDR
t
CWR
t
WDE
t
DW
Figure 5. Memory Write
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