參數(shù)資料
型號: ADSP-2186LBSTZ-160
廠商: Analog Devices Inc
文件頁數(shù): 25/48頁
文件大?。?/td> 0K
描述: IC DSP CONTROLLER 16BIT 100LQFP
標(biāo)準(zhǔn)包裝: 1
系列: ADSP-21xx
類型: 定點(diǎn)
接口: 主機(jī)接口,串行端口
時鐘速率: 40MHz
非易失內(nèi)存: 外部
芯片上RAM: 40kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 3.30V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤
ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
Rev. C
|
Page 31 of 48
|
January 2008
IDMA Write, Short Write Cycle
Table 21. IDMA Write, Short Write Cycle
Parameter
Min
Max
Unit
Timing Requirements:
tIKW
IACK Low Before Start of Write1
0ns
tIWP
Duration of Write1, 2
15
ns
tIDSU
IAD15 – 0 Data Setup Before End of Write2, 3, 4
5ns
tIDH
IAD15 – 0 Data Hold After End of Write
2ns
Switching Characteristic:
tIKHW
Start of Write to IACK High
5
17
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.
5 For the ADSP-2185L, and the ADSP-2187L, this specification is 4 ns min., and 15 ns max.
Figure 23. IDMA Write, Short Write Cycle
IAD15–0
DATA
tIKHW
tIKW
tIDSU
IACK
tIWP
tIDH
IS
IWR
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