參數(shù)資料
型號(hào): ADSP-2187NBSTZ-320
廠商: Analog Devices Inc
文件頁(yè)數(shù): 28/48頁(yè)
文件大?。?/td> 0K
描述: IC DSP CONTROLLER 16BIT 100LQFP
標(biāo)準(zhǔn)包裝: 1
系列: ADSP-21xx
類(lèi)型: 定點(diǎn)
接口: 主機(jī)接口,串行端口
時(shí)鐘速率: 80MHz
非易失內(nèi)存: 外部
芯片上RAM: 160kB
電壓 - 輸入/輸出: 1.8V,2.5V,3.3V
電壓 - 核心: 1.90V
工作溫度: -40°C ~ 85°C
安裝類(lèi)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(pán)
Rev. A
|
Page 34 of 48
|
August 2006
ADSP-218xN
IDMA Address Latch
Table 21. IDMA Address Latch
Parameter
Min
Max
Unit
Timing Requirements:
tIALP
Duration of Address Latch1, 2
10
ns
tIASU
IAD15 – 0 Address Setup Before Address Latch End2
5ns
tIAH
IAD15 – 0 Address Hold After Address Latch End2
3ns
tIKA
IACK Low before Start of Address Latch
0ns
tIALS
Start of Write or Read After Address Latch End
3ns
tIALD
Address Latch Start After Address Latch End
2ns
1 Start of Address Latch = IS Low and IAL High.
2 End of Address Latch = IS High or IAL Low.
3 Start of Write or Read = IS Low and IWR Low or IRD Low.
Figure 32. IDMA Address Latch
IACK
IAL
IS
IAD15–0
IRD OR IWR
tIKA
tIALP
tIASU
tIAH
tIASU
tIALS
tIAH
tIALP
tIALD
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