t
參數(shù)資料
型號: EVAL-ADUC834QSZ
廠商: Analog Devices Inc
文件頁數(shù): 70/80頁
文件大?。?/td> 0K
描述: KIT DEV QUICK START ADUC834
標準包裝: 1
系列: QuickStart™ 套件
類型: MCU
適用于相關產(chǎn)品: ADuC834
所含物品: 評估板,線纜,電源,軟件和文檔
REV. A
–72–
ADuC834
12.58 MHz Core_Clk
Variable Core_Clk
Parameter
Min
Max
Min
Max
Unit
Figure
EXTERNAL DATA MEMORY READ CYCLE
tRLRH
RD Pulsewidth
377
6tCORE – 100
ns
72
tAVLL
Address Valid after ALE Low
39
tCORE – 40
ns
72
tLLAX
Address Hold after ALE Low
44
tCORE – 35
ns
72
tRLDV
RD Low to Valid Data In
232
5tCORE – 165
ns
72
tRHDX
Data and Address Hold after
RD
00
ns
72
tRHDZ
Data Float after
RD
89
2tCORE – 70
ns
72
tLLDV
ALE Low to Valid Data In
486
8tCORE – 150
ns
72
tAVDV
Address to Valid Data In
550
9tCORE – 165
ns
72
tLLWL
ALE Low to
RD Low
188
288
3tCORE – 50
3tCORE + 50
ns
72
tAVWL
Address Valid to
RD Low
188
4tCORE – 130
ns
72
tRLAZ
RD Low to Address Float
0
ns
72
tWHLH
RD High to ALE High
39
119
tCORE – 40
tCORE + 40
ns
72
t
LLAX
DATA (IN)
CORE_CLK
ALE (O)
PSEN (O)
PORT 0 (I/O)
PORT 2 (O)
RD (O)
t
LLDV
t
LLWL
t
AVWL
t
AVLL
t
AVDV
t
RLAZ
t
RLDV
t
RHDX
t
RHDZ
t
WHLH
A0–A7
(OUT)
A16–A23
A8–A15
t
RLRH
Figure 72. External Data Memory Read Cycle
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