Philips Semiconductors
Product specification
Dual asynchronous receiver/transmitter (DUART)
SCC2692
1 BIT TIME
(1 OR 16 CLOCKS)
TxC
(INPUT)
t
TXD
TxD
t
TCS
TxC
(1X OUTPUT)
SD00138
Figure 8. Transmitter External
RxC
(1X INPUT)
t
t
RXH
RXS
RxD
SD00139
Figure 9. Receive External Clock
TxD
D1
D2
D3
BREAK
D4
D6
TRANSMITTER
ENABLED
TxRDY
(SR2)
WRN
D1
D2
D3
START
BREAK
D4
STOP
BREAK
D5 WILL
NOT BE
D6
TRANSMITTED
1
CTSN
(IP0)
2
RTSN
(OP0)
OPR(0) = 1
OPR(0) = 1
NOTES:
1. Timing shown for MR2(4) = 1.
2. Timing shown for MR2(5) = 1.
SD00140
Figure 10. Transmitter Timing
22
1998 Sep 04