參數(shù)資料
型號(hào): ADSP-2189NBSTZ-320
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號(hào)處理
英文描述: 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: 100 ld LQFP; No of Pins: 100; Temperature Range: Ind
中文描述: 24-BIT, 40 MHz, OTHER DSP, PQFP100
封裝: LEAD FREE, MS-026BED, LQFP-100
文件頁(yè)數(shù): 29/48頁(yè)
文件大?。?/td> 2334K
代理商: ADSP-2189NBSTZ-320
ADSP-218xN
Rev. A
|
Page 35 of 48
|
August 2006
IDMA Write, Short Write Cycle
Table 22. IDMA Write, Short Write Cycle
Parameter
Min
Max
Unit
Timing Requirements:
tIKW
IACK Low Before Start of Write1
0ns
tIWP
Duration of Write1, 2
10
ns
tIDSU
IAD15 – 0 Data Setup Before End of Write2, 3, 4
3ns
tIDH
IAD15 – 0 Data Hold After End of Write
2ns
Switching Characteristic:
tIKHW
Start of Write to IACK High
10
ns
1 Start of Write = IS Low and IWR Low.
2 End of Write = IS High or IWR High.
3 If Write Pulse ends before IACK Low, use specifications tIDSU, tIDH.
4 If Write Pulse ends after IACK Low, use specifications tIKSU, tIKH.
Figure 33. IDMA Write, Short Write Cycle
IAD15–0
DATA
tIKHW
tIKW
tIDSU
IACK
tIWP
tIDH
IS
IWR
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ADSP-2189NKSTZ-320 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: 100 ld LQFP; No of Pins: 100; Temperature Range: Comm.
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