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)： 14/17頁
文件大?。?/td> 101K
代理商： SCN26562
Philips Semiconductors
Product specification
SCN26562
Dual universal serial communications controller (DUSCC)
1995 May 1
14
AC ELECTRICAL CHARACTERISTICS
(Continued)
SD00216
t
TALTRH
t
TAHTAL
A
t
TALTAH
B
t
TAHEIH
t
EILTAH
t
TAHWDI
t
WDVTAH
t
TALEOL
t
TAHEOF
EOPN
(OUTPUT)
NOTES:
A
Memory read signal; not seen by DUSCC.
B
TxRQN
TxDAKN
WRN
MEMRN
EOPN
(INPUT)
D7–D0
Figure 14. DMA-Transmit Single Address Mode
SYMBOL
PARAMETER
LIMITS
UNIT
SCN26562C4
Min
100
250
SCN26562C2
Min
100
250
Max
Max
t
TAHTAL
t
TALTAH
t
TALTRH
t
WDVTAH
t
TAHWDI
t
TALEOL
t
TAHEOF
t
EILTAH
t
TAHEIH
Transmit DMA ACKN high to low time
Transmit DMA ACKN low to high time
Tx DMA ACKN low to Tx DMA REQN high
Write data valid to Tx DMA ACKN high
Tx DMA ACKN high to write data invalid
Tx DMA ACKN low to EOPN output low
Tx DMA ACKN high to EOPN output float
EOPN input low to Tx DMA ACKN high
Tx DMA ACKN high to EOPN input high
90
30
50
50
250
170
200
90
30
50
50
250
170
200
ns
ns
ns
ns
ns
ns
ns
ns
ns
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相關(guān)代理商/技術(shù)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
SCN26562C4N48 制造商:North American Philips Discrete Products Div 功能描述:Communications Controller Circuit, 48 Pin, DIP
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