scn2681 NXP Semiconductors, scn2681 Datasheet - Page 21
scn2681
Manufacturer Part Number
scn2681
Description
Dual Asynchronous Receiver/transmitter Duart
Manufacturer
NXP Semiconductors
Datasheet
1.SCN2681.pdf
(29 pages)
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Philips Semiconductors
TIMING DIAGRAMS
2004 Mar 18
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
D2
(1X INPUT)
D1
RxC
RxD
Figure 10. Transmitter Timing
Figure 9. Receiver Timing
D2
D3
t
RXS
BREAK
START
21
D3
t
RXH
D4
BREAK
BREAK
STOP
SD00093
TRANSMITTED
D4
D5 WILL
NOT BE
OPR(0) = 1
D6
SD00094
SCN2681
D6
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