參數(shù)資料
型號: ADSP-2187NBCA-320
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: DSP Microcomputer
中文描述: 24-BIT, 40 MHz, OTHER DSP, PBGA144
封裝: MO-205AC, BGA-144
文件頁數(shù): 35/48頁
文件大?。?/td> 1571K
代理商: ADSP-2187NBCA-320
–35–
REV. 0
ADSP-218xN Series
IDMA Write, Long Write Cycle
Table 23. IDMA Write, Long Write Cycle
Parameter
Timing Requirements:
t
IKW
t
IKSU
t
IKH
Switching Characteristics:
t
IKLW
t
IKHW
Min
Max
Unit
IACK Low before Start of Write
1
IAD15–0 Data Setup before End of Write
2,
3,
4
IAD15–0 Data Hold after End of Write
2,
3,
4
0
0.5t
CK
+ 5
0
ns
ns
ns
Start of Write to IACK Low
4
Start of Write to IACK High
1.5t
CK
ns
ns
10
1
Start of Write = IS Low and IWR Low.
2
If Write Pulse ends before IACK Low, use specifications t
IDSU
, t
IDH
.
3
If Write Pulse ends after IACK Low, use specifications t
IKSU
, t
IKH
.
4
This is the earliest time for IACK Low from Start of Write. For IDMA Write cycle relationships, please refer to the
ADSP-2100 Family User’s Manual
.
Figure 32. IDMA Write, Long Write Cycle
IAD15–0
DATA
t
IKHW
t
IKW
IACK
IS
IWR
t
IKLW
t
IKH
t
IKSU
相關(guān)PDF資料
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ADSP-2187NBST-320 RESISTOR, FILM, CHIP (CHIP SIZE: 0805)
ADSP-2187NKCA-320 DSP Microcomputer
ADSP-2187NKST-320 DSP Microcomputer
ADSP-2188NKCA-320 DSP Microcomputer
ADSP-2188NKST-320 DSP Microcomputer
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