XR16C850CJ EXAR [Exar Corporation], XR16C850CJ Datasheet - Page 4

• Manufacturer Part Number: XR16C850CJ
• Manufacturer: EXAR [Exar Corporation]

S1, S2,S3
D0-D7
A0-A9
-LPT1
-LPT2
-AEN
XR16C850
IRQA
IRQB
IRQC
-IOW
-IOR
Rev. 1.20
GND
Figure 3. BLOCK DIAGRAM (PC MODE)
Baud Rate
Generator
Transmit
Registers
Registers
Control
Receive
Control
4
FIFO
FIFO
Logic
Logic
Clock
Flow
Flow
&
Transmit
Register
Register
Receive
Shift
Shift
Modem
Control
Logic
Encoder
Decoder
Ir
Ir
TX
RX
-DTR,-RTS
-CTS
-RI
-CD
-DSR