SCN2681T Просмотр технического описания (PDF) - Philips Electronics
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SCN2681T Datasheet PDF : 14 Pages
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Philips Semiconductors
Dual asynchronous receiver/transmitter (DUART)
Product specification
SCN2681T
RxC
(1X INPUT)
RxD
tRXS
tRXH
SYMBOL
tRXS
tRXH
Figure 9. Receive
PARAMETER
RxD data setup time before RxC high at external clock input on IP pin
RxD data hold time after RxC high at external clock input on IP pin
SD00104
LIMITS
Min
Max
200
25
UNIT
ns
ns
TxD
D1
TRANSMITTER
ENABLED
TxRDY
(SR2)
WRN
D1
D2
CTSN1
(IP0)
RTSN2
(OP0)
OPR(0) = 1
NOTES:
1. Timing shown for MR2(4) = 1.
2. Timing shown for MR2(5) = 1.
D2
D3
BREAK
D4
D6
D3 START
BREAK
D4 STOP
D5 WILL
D6
BREAK
NOT BE
TRANSMITTED
Figure 10. Transmitter Timing
OPR(0) = 1
SD00094
1998 Sep 04
10
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