xr16c864iq Exar Corporation, xr16c864iq Datasheet - Page 21

• Manufacturer Part Number: xr16c864iq
• Description: Quad Uart With Rx/tx Fifo Counters And 128-byte Fifo
• Manufacturer: Exar Corporation

áç
áç
REV. 2.0.1
áç
áç
F
IGURE
12. I
NTERNAL
Transmit Shift Register
Receive Shift Register
L
OOP
(RHR/FIFO)
(THR/FIFO)
B
ACK IN
RTS#
CTS#
DTR#
DSR#
OP2#
C
OP1#
CD#
HANNELS
MCR bit-4=1
RI#
21
VCC
VCC
VCC
VCC
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
VCC
A-D
TX A-D
RX A-D
RTS# A-D
CTS# A-D
DTR# A-D
DSR# A-D
OP1# A-D/RS485
RI# A-D
OP2# A-D
CD# A-D
XR16C864