參數(shù)資料
型號(hào): ADSP-2185LBSTZ-210
廠商: Analog Devices Inc
文件頁(yè)數(shù): 24/48頁(yè)
文件大小: 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(shí)鐘速率: 52MHz
非易失內(nèi)存: 外部
芯片上RAM: 80kB
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(pán)
Rev. C
|
Page 30 of 48
|
January 2008
ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
IDMA Address Latch
Table 20. 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, 3
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 For the ADSP-2187L, this specification is 2 ns min.
4 Start of Write or Read = IS Low and IWR Low or IRD Low.
Figure 22. IDMA Address Latch
IACK
IAL
IS
IAD15–0
IRD OR IWR
tIKA
tIALP
tIASU
tIAH
tIASU
tIALS
tIAH
tIALP
tIALD
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