參數(shù)資料
型號(hào): ADSP-21MSP59
廠商: ANALOG DEVICES INC
元件分類: 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
文件頁數(shù): 29/40頁
文件大?。?/td> 392K
代理商: ADSP-21MSP59
ADSP-21msp58/59
REV. 0
–29–
Parameter
Min
Max
Unit
Memory Write
Switching Characteristic:
t
DW
t
DH
t
WP
t
WDE
t
ASW
t
DDR
t
CWR
t
AW
t
WRA
t
WWR
Data Setup before
WR
High
Data Hold after
WR
High
WR
Pulse Width
WR
Low to Data Enabled
A0-A13,
DMS
,
PMS
Setup before
WR
Low
Data Disable before
WR
or
RD
Low
CLK OUT 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
NOT E
w = wait states
×
t
CK .
CLKOUT
t
WP
DMS
,
PMS
t
WRA
t
ASW
t
CWR
t
WWR
t
WDE
A0 – A13
WR
D
t
AW
t
DH
t
DDR
t
DW
RD
Figure 19. Memory Write
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