SCC68692 Philips, SCC68692 Datasheet - Page 24

• Manufacturer Part Number: SCC68692
• Description: Dual asynchronous receiver/transmitter DUART
• Manufacturer: Philips

Philips Semiconductors
1998 Sep 04
Dual asynchronous receiver/transmitter (DUART)
NOTES:
1. Timing shown for MR1(7) = 1.
2. Shown for OPCR(4) and MR1(6) = 0.
NOTES:
1. Timing shown for MR2(4) = 1.
2. Timing shown for MR2(5) = 1.
TRANSMITTER
RECEIVER
OVERRUN
ENABLED
RxRDY/
(READ)
RxRDY
FFULL
FFULL
(OP4)
ENABLED
(OP0)
(SR0)
(SR1)
(SR4)
RTS
CSN
RxD
(WRITE)
TxRDY
CTSN
RTSN
(SR2)
(OP0)
2
1
(IP0)
CSN
TxD
1
2
OPR(0) = 1
OPR(0) = 1
D1
D1
D2
(1X INPUT)
D1
STATUS DATA
RxC
RxD
D1
D2
Figure 12. Transmitter Timing
Figure 13. Receiver Timing
Figure 11. Receive Timing
D2
D3
D3
t
RXS
BREAK
START
24
D3
D4
t
RXH
D5 WILL
BE LOST
D4
BREAK
D5
STATUS DATA
BREAK
STOP
D2
SD00093
TRANSMITTED
D6
STATUS DATA
D4
D5 WILL
NOT BE
D3
D6, D7, D8 WILL BE LOST
D7
STATUS DATA
OPR(0) = 1
D4
D6
RESET BY COMMAND
SCC68692
Product specification
D8
D6
SD00118
SD00119