XR16C864IQ-F Exar Corporation, XR16C864IQ-F Datasheet - Page 24
![IC UART FIFO 128B QUAD 100QFP](/photos/29/6/290689/tqfp100_sml.jpg)
XR16C864IQ-F
Manufacturer Part Number
XR16C864IQ-F
Description
IC UART FIFO 128B QUAD 100QFP
Manufacturer
Exar Corporation
Type
Quad UART with 128-byte FIFOsr
Datasheet
1.XR16C864IQ-F.pdf
(51 pages)
Specifications of XR16C864IQ-F
Number Of Channels
4, QUART
Package / Case
100-BQFP
Features
*
Fifo's
128 Byte
Protocol
RS232, RS485
Voltage - Supply
2.97 V ~ 5.5 V
With Auto Flow Control
Yes
With Irda Encoder/decoder
Yes
With False Start Bit Detection
Yes
With Modem Control
Yes
With Cmos
Yes
Mounting Type
Surface Mount
Data Rate
2 Mbps
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.97 V
Supply Current
3 mA to 6 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Operating Supply Voltage
2.97 V to 5.5 V
No. Of Channels
4
Uart Features
Tx/Rx FIFO Counters
Supply Voltage Range
2.97V To 5.5V
Operating Temperature Range
-40°C To +85°C
Digital Ic Case Style
QFP
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
1016-1277
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XR16C864IQ-F
Manufacturer:
NAIS
Quantity:
420
Company:
Part Number:
XR16C864IQ-F
Manufacturer:
Exar Corporation
Quantity:
10 000
XR16C864
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
A
A2-A0
X X X
DDRESS
0 0 0
0 0 0
0 0 1
0 0 0
0 0 1
0 0 0
0 0 1
0 1 0
1 0 0
1 0 1
1 1 0
1 1 1
T
ABLE
XOFF1 RD/WR
XOFF2 RD/WR
FSTAT
DREV
XON1 RD/WR
XON2 RD/WR
FCTR RD/WR
N
DVID
DLM
TRG
EFR
R
DLL
FC
AME
EG
9: INTERNAL REGISTERS DESCRIPTION.
RD/WR
RD/WR
RD/WR
R
W
WR
RD
RD
RD
RD
EAD
RITE
/
RDYD#
Enable
RX/TX
CTS#
Mode
B
Bit-7
Bit-7
Bit-7
Bit-7
Bit-7
Auto
Bit-7
Bit-7
Bit-7
Bit-7
RX-
IT
0
-7
SCPAD
RDYC#
Enable
Swap
RTS#
B
Bit-6
Bit-6
Bit-6
Bit-6
Bit-6
Auto
Bit-6
Bit-6
Bit-6
Bit-6
RX-
IT
0
-6
Baud Rate Generator Divisor
Enhanced Registers
Special
RDYB#
Select
B
Table
Char
Bit-5
Bit-5
Bit-5
Bit-5
Bit-5
Bit-1
Bit-5
Bit-5
Bit-5
Bit-5
RX-
Trig
IT
0
-5
24
IER [7:4],
ISR [5:4],
FCR[5:4],
MCR[7:5]
RDYA#
Enable
B
Table
Bit-4
Bit-4
Bit-4
Bit-4
Bit-4
Bit-0
Bit-4
Bit-4
Bit-4
Bit-4
RX-
Trig
IT
1
-4
S
HADED BITS ARE ENABLED WHEN
Direction
RDYD#
Control
RS485
B
Bit-3
Bit-3
Bit-3
Soft-
ware
Flow
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
Auto
Cntl
TX-
IT
0
-3
RDYC#
RX IR
B
Input
Bit-2
Bit-2
Bit-2
Bit-2
Soft-
ware
Flow
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Cntl
Inv.
TX-
IT
1
-2
RDYB#
B
Soft-
ware
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Auto
RTS
Hyst
Bit-1
Flow
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Cntl
TX-
IT
0
-1
EFR B
RDYA#
B
Bit-0
Bit-0
Bit-0
Bit-0
Auto
Bit-0
Soft-
ware
Flow
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
RTS
Hyst
Cntl
TX-
áç
áç
áç
áç
IT
0
-0
IT
-4=1
LCR
LCR 0xBF
FSRS# pin is
a logic 0. No
address lines
LCR=0
LCR[7] = 1
LCR[7] = 1
DLM=0x00
DLL=0x00
C
required.
REV. 2.0.1
OMMENT
0xBF
X
BF