scc2681 NXP Semiconductors, scc2681 Datasheet - Page 24
scc2681
Manufacturer Part Number
scc2681
Description
Dual Asynchronous Receiver/transmitter Duart
Manufacturer
NXP Semiconductors
Datasheet
1.SCC2681.pdf
(29 pages)
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Philips Semiconductors
TIMING DIAGRAMS
2004 Apr 06
Dual asynchronous receiver/transmitter (DUART)
NOTES:
1. Timing shown for MR2(4) = 1.
2. Timing shown for MR2(5) = 1.
TRANSMITTER
ENABLED
TxRDY
CTSN
RTSN
(SR2)
(OP0)
WRN
(IP0)
TxD
1
2
(Continued)
OPR(0) = 1
D1
(1X OUTPUT)
(INPUT)
D2
(1X INPUT)
D1
TxC
TxC
TxD
RxC
RxD
Figure 10. Transmitter Timing
Figure 9. Receiver Timing
t
TXD
D2
(1 OR 16 CLOCKS)
D3
Figure 8. Transmit
1 BIT TIME
t
RXS
BREAK
t
START
TCS
24
D3
t
RXH
D4
BREAK
BREAK
STOP
SD00093
TRANSMITTED
D4
D5 WILL
SD00092
NOT BE
OPR(0) = 1
D6
SD00094
SCC2681
D6
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