xr68c681 Exar Corporation, xr68c681 Datasheet - Page 57
xr68c681
Manufacturer Part Number
xr68c681
Description
Cmos Dual Channel Uart Duart
Manufacturer
Exar Corporation
Datasheet
1.XR68C681.pdf
(75 pages)
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Figure 25
Section G.3
Figure 25. Block Diagram and Timing Sequence of Two DUARTs Connected
TXRDY_A
CTSA
RXDA
RTSA
Transmitting Device
in the Transmitter-RTS Controlled Configuration.
TXRDY_A
(OP7)
To CPU
CTSA
TXDA
(OP0)
RTSA
(IP0)
Figure 26
(RTS-in)
(CTS-out)
RXDB
Receiving Device
OP3
IP2
XR68C681
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