XR16C850CJ View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XR16C850CJ' PDF : 55 Pages View PDF
XR16C850
D0-D7
-IOR
-IOW
A0-A9
-AEN
S1, S2,S3
-LPT1
-LPT2
IRQA
IRQB
IRQC
Transmit
FIFO
Registers
Flow
Control
Logic
Receive
FIFO
Registers
Flow
Control
Logic
Transmit
Shift
TX
Register
Ir
Encoder
Receive
Shift
RX
Register
Ir
Decoder
Clock
&
Baud Rate
Generator
Modem
Control
Logic
-DTR,-RTS
-CTS
-RI
-CD
-DSR
GND
Figure 3. BLOCK DIAGRAM (PC MODE)
Rev. 1.20
4
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