參數(shù)資料
型號： SCN26562
廠商： NXP Semiconductors N.V.
英文描述： Dual universal serial communications controller DUSCC
中文描述： 雙通用串行通信控制器DUSCC
文件頁數(shù)： 15/17頁
文件大?。?/td> 101K
代理商： SCN26562
Philips Semiconductors
Product specification
SCN26562
Dual universal serial communications controller (DUSCC)
1995 May 1
15
AC ELECTRICAL CHARACTERISTICS
(Continued)
NOTES:
A
Memory read signal; not seen by DUSCC.
B
t
RALRRH
t
RAHRAL
A
t
RALRAH
B
t
RAHDDI
t
RALDDV
t
RALEOL
t
RAHEOF
EOPN
(OUTPUT)
RxDRQN
RxDAKN
RDN
MEMWN
D7–D0
t
RAHDDF
SD00217
Figure 15. DMA-Receive Single Address Mode
SYMBOL
PARAMETER
LIMITS
UNIT
SCN26562C4
Min
SCN26562C2
Min
Max
Max
t
RAHRAL
t
RALRAH
t
RALRRH
t
RALEOL
t
RAHEOF
t
RALDDV
t
RAHDDI
t
RAHDDF
Receive DMA ACKN high to low time
Receive DMA ACKN low to high time
Rx DMA ACKN low to Rx DMA REQN high
Rx DMA ACKN low to EOPN output low
Rx DMA ACKN high to EOPN output float
Rx DMA ACKN low to read data valid
Rx DMA ACKN high to read data invalid
Rx DMA ACKN high to data bus float
160
250
10
320
200
225
225
125
160
250
10
320
200
225
225
125
ns
ns
ns
ns
ns
ns
ns
ns
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相關代理商/技術參數(shù)
參數(shù)描述
SCN26562C2A52 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Communications Controller
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SCN26562C4A52 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual universal serial communications controller DUSCC
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