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)： 8/17頁
文件大小： 101K
代理商： SCN26562
Philips Semiconductors
Product specification
SCN26562
Dual universal serial communications controller (DUSCC)
1995 May 1
8
AC ELECTRICAL CHARACTERISTICS
(Continued)
A6–A1
t
ADVWRL
CEN
t
CEHCEL
t
CELWRL
WRN
t
WRHCEH
t
WRLADI
t
WRLWRH
t
WRHWRL
D0–D7
t
WDVWRH
t
WRHWDI
RDYN
t
WRLRYL
1
NOTES:
1.
2.
Wait on Tx. Transmitter FIFO full.
Timing is illustrated and referenced to the WRN and RDN inputs. The device may also be operated with CEN as the ‘strobing’ input. CEN and RDN
(also CEN and WRN) are ANDed internally. As a consequence, the signal asserted last initiates the cycle and the signal negated first terminates the
cycle.
SD00207
Figure 5. Write Cycle
SYMBOL
PARAMETER
LIMITS
UNIT
SCN26562C4
Min
SCN26562C2
Min
Max
Max
t
ADVWRL
t
CELWRL
t
WRLRYL
t
WRHCEH
t
WRLWRH
t
WDVWRH
t
CEHCEL
t
WRLADI
t
WRHWRL
t
WRHWDI
Address valid to WRN low
CEN low to WRN low
WRN low to READY low
WRN high to CEN high
WRN low to WRN high
Write data valid to WRN high
CEN high to CEN low
WRN low to address invalid
WRN high to WRN low
WRN high to write data invalid
10
0
0
300
100
160
150
160
10
275
10
0
0
310
100
170
150
170
10
275
ns
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
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