參數(shù)資料
型號: ADSP-2104KP-80
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: Low Cost DSP Microcomputers
中文描述: 24-BIT, 20 MHz, OTHER DSP, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 32/36頁
文件大?。?/td> 333K
代理商: ADSP-2104KP-80
ADSP-2104/ADSP-2109
–32–
REV. 0
Frequency
Dependency
13.824 MHz
Min
Parameter
Max
Min
Max
Unit
Switching Characteristic:
t
DW
Data Setup before WR High
t
DH
Data Hold after WR High
t
WP
WR Pulse Width
t
WDE
WR Low to Data Enabled
t
ASW
A0–A13, DMS, PMS Setup before WR Low
t
DDR
Data Disable before WR or RD Low
t
CWR
CLKOUT High to WR Low
t
AW
A0–A13, DMS, PMS, Setup before WR Deasserted
t
WRA
A0–A13, DMS, PMS Hold After WR Deasserted
t
WWR
WR High to RD or WR Low
23.2
8.1
28.2
0
8.1
8.1
13.1
32.2
9.1
31.2
0.5t
CK
– 13 + w
0.25t
CK
– 10
0.5t
CK
– 8 + w
ns
ns
ns
0.25t
CK
– 10
0.25t
CK
– 10
0.25t
CK
– 5
0.75t
CK
– 22 + w
0.25t
CK
– 9
0.5t
CK
– 5
ns
ns
ns
ns
ns
ns
28.1
0.25t
CK
+ 10
w = wait states
×
t
CK .
TIMNGPARAMETERS (ADSP-2104L/ADSP-2109L)
ME MORY WRIT E
CLKOUT
A0 – A13
D
WR
DMS, PMS
RD
t
WDE
t
DDR
t
DH
t
WWR
t
WRA
t
WP
t
DW
t
AW
t
CWR
t
ASW
Figure 29. Memory Write
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