參數(shù)資料
型號(hào): ADSP-2105BP-80
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: ADSP-2100 Family DSP Microcomputers
中文描述: 24-BIT, 20 MHz, OTHER DSP, PQCC68
封裝: PLASTIC, LCC-68
文件頁(yè)數(shù): 49/64頁(yè)
文件大?。?/td> 666K
代理商: ADSP-2105BP-80
ADSP-21xx
REV. B
–49–
Frequency
Dependency
Min
10.24 MHz
Min
Parameter
Max
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
38.8
14.4
43.8
0
12.4
14.4
19.4
58.2
14.4
38.8
0.5t
CK
– 10 + w
0.25t
CK
– 10
0.5t
CK
– 5 + w
ns
ns
ns
0.25t
CK
– 12
0.25t
CK
– 10
0.25t
CK
– 5
0.75t
CK
– 15 + w
0.25t
CK
– 10
0.5t
CK
– 10
ns
ns
ns
ns
ns
ns
34.4
0.25t
CK
+ 10
w = wait states
×
t
CK .
TIMNGPARAMETERS (ADSP-2103/2162/2164)
ME MORY WRIT E
Figure 43. Memory Write
CLKOUT
A0 – A13
D
t
WRA
WR
DMS, PMS
t
WWR
t
WP
t
ASW
t
AW
t
CWR
RD
t
DH
t
DDR
t
WDE
t
DW
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