scn2681t NXP Semiconductors, scn2681t Datasheet - Page 11
scn2681t
Manufacturer Part Number
scn2681t
Description
Dual Asynchronous Receiver/transmitter Duart
Manufacturer
NXP Semiconductors
Datasheet
1.SCN2681T.pdf
(15 pages)
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Philips Semiconductors
2004 Mar 22
Dual asynchronous receiver/transmitter (DUART)
t
t
SYMBOL
SYMBOL
RXS
RXH
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
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
1
2
(1X INPUT)
OPR(0) = 1
D1
RxC
RxD
D2
D1
Figure 10. Transmitter Timing
PARAMETER
PARAMETER
D2
Figure 9. Receive
D3
t
RXS
BREAK
START
11
D3
D4
t
BREAK
RXH
BREAK
STOP
TRANSMITTED
D4
D5 WILL
NOT BE
SD00104
Min
200
25
LIMITS
OPR(0) = 1
D6
SCN2681T
Max
–
–
SD00094
D6
Product data
UNIT
UNIT
ns
ns
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