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XR28V384IM48TR-F

Description
IC QUAD UART W/FIFO 3.3V 48-TQFP
Categorysemiconductor    Analog mixed-signal IC   
File Size2MB,41 Pages
ManufacturerMaxLinear Inc.
Environmental Compliance
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XR28V384IM48TR-F Overview

IC QUAD UART W/FIFO 3.3V 48-TQFP

XR28V384IM48TR-F Parametric

Parameter NameAttribute value
protocolRS232,RS485
Functioncontroller
interfaceLPC
standard-
Voltage - Power3.3V
Current - Power17mA
Operating temperature-40°C ~ 85°C
Package/casing48-TQFP
Supplier device packaging48-TQFP(7x7)
XR28V384
3.3V QUAD LPC UART WITH 128-BYTE FIFO
MARCH 2018
REV. 1.0.2
GENERAL DESCRIPTION
The XR28V384 (V384) is a quad Universal
Asynchronous Receiver and Transmitter (UART) for
the Intel Low Pin Count (LPC) bus interface. This
device can replace or supplement a Super I/O device
to add additional serial ports to the system.
The V384 UARTs support any 16-bit I/O address
supported by the system. The register set is based on
the industry standard 16550 UART, so the V384
operates with the standard serial port drivers without
requiring a custom driver to be installed.
The 128 byte Transmit and Receive FIFOs reduce
CPU overhead and minimize the chance of buffer
overflow and data loss. In addition to the 16550 UART
registers, there are also Configuration register set
where enhanced features such as the 9-bit (multidrop)
mode, IrDA mode and the Watchdog Timer can be
enabled.
The V384 is available in a 48-pin TQFP package.
APPLICATIONS
FEATURES
128 Byte Transmit and Receive FIFO
Compliant to LPC 1.1 Specifications
-40°C to +85°C Industrial Temp Operation
Watchdog Timer with WDTOUT# signal
4 Independent UART channels
Programmable I/O mapped base addresses
Data rates up to 3 Mbps
Selectable RX FIFO interrupt trigger levels
Auto RS-485 Half-Duplex Control mode
Programmable character lengths (5, 6, 7, 8)
with even, odd, or no parity
IrDA mode and separate IRTXA# and IRRXA#
pins for the first UART channel
9-bit (Multidrop) mode
Industrial and Embedded PCs
Factory Automation and Process Controls
Network Routers
System Board Designs
F
IGURE
1. XR28V384 B
LOCK
D
IAGRAM
VCC
GND
3 .3 V ± 1 0 %
External 24MHz/48MHz clock
Single 3.3V Supply Voltage ( ±10% )
5V tolerant inputs
48-TQFP package (7mm x 7mm)
P C IR S T #
LC LK
LFRAM E#
L A D [3 :0 ]
S E R IR Q
LPC
Bus
In te rfa c e
Baud
R a te
G e n e ra to r
S ta tu s a n d
C o n tro l
R e g is te rs
T X F IF O
(IrD A E n co d e r)
R X F IF O
(IrD A D e c o d e r)
M o d e m IO s
T X A /P S _ 3 F 8 _ IR Q A
IR T X A #
RXA
IR R X A #
R T S A # /P S _ C O N F _ 2 E /R S 4 8 5
D T R A # /P S _ 3 E 0 _ IR Q A
C T S A # , D S R A # , C D A # , R IA #
T X B /P S _ 2 F 8 _ IR Q B
RXB
R T S B # /P S _ C O N F _ K E Y 1 /R S 4 8 5
D T R B # /P S _ 2 E 0 _ IR Q B
C T S B # , D S R B # , C D B # , R IB #
T X C /P S _ 3 E 8 _ IR Q C
RXC
R T S C # /P S _ C O N F _ K E Y 0 /R S 4 8 5
D T R C # /P S _ W D T
C T S C # , D S R C # , C D C # , R IC #
T X D /P S _ 2 E 8 _ IR Q D
RXD
R T S D # /R S 4 8 5
D TR D#
C TSD#, DSRD#, C DD#,
R ID #
U A R T C hannel A
G lo b a l
C o n fig u ra tio n
R e g is te rs
Baud
R a te
G e n e ra to r
S ta tu s a n d
C o n tro l
R e g is te rs
T X F IF O
R X F IF O
M o d e m IO s
U A R T C hannel B
W D TO UT#
W a tc h
Dog
T im e r
Baud
R a te
G e n e ra to r
S ta tu s a n d
C o n tro l
R e g is te rs
T X F IF O
R X F IF O
M o d e m IO s
U A R T C hannel C
C L K IN
C lo c k
D iv id e r
Baud
R a te
G e n e ra to r
S ta tu s a n d
C o n tro l
R e g is te rs
T X F IF O
R X F IF O
M o d e m IO s
U A R T C hannel D
1

XR28V384IM48TR-F Related Products

XR28V384IM48TR-F XR28V384IM48-0A-EB XR28V384IM48-F
Description IC QUAD UART W/FIFO 3.3V 48-TQFP EVAL BOARD FOR UART W/FIFO IC QUAD UART W/FIFO 3.3V 48-TQFP
Function controller UART controller
protocol RS232,RS485 - RS232,RS485
interface LPC - LPC
Voltage - Power 3.3V - 3.3V
Current - Power 17mA - 17mA
Operating temperature -40°C ~ 85°C - -40°C ~ 85°C
Package/casing 48-TQFP - 48-TQFP
Supplier device packaging 48-TQFP(7x7) - 48-TQFP(7x7)
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