ST16C450 Exar Corporation, ST16C450 Datasheet - Page 11
ST16C450
Manufacturer Part Number
ST16C450
Description
UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
Manufacturer
Exar Corporation
Datasheet
1.ST16C450.pdf
(28 pages)
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Rev. 4.20
-IOW,IOW
-IOR,IOR
CS0,CS1
RESET
CSOUT
D0-D7
-DDIS
A0-A2
-CS2
-AS
INT
Figure 4, INTERNAL LOOPBACK MODE DIAGRAM
Baud Rate
Generator
Transmit
Registers
Registers
Holding
Holding
Receive
11
Clock
&
Transmit
Register
Register
Receive
Shift
Shift
ST16C450
-RTS
TX
RX
-CD
-DTR
-RI
-DSR
-OP1
-OP2
-CTS