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XR16V2650IMTR-F

Description
IC UART FIFO 32B DUAL 48TQFP
Categorysemiconductor    Analog mixed-signal IC   
File Size465KB,47 Pages
ManufacturerMaxLinear Inc.
Environmental Compliance
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XR16V2650IMTR-F Overview

IC UART FIFO 32B DUAL 48TQFP

XR16V2650IMTR-F Parametric

Parameter NameAttribute value
characteristicInternal oscillator, timer/counter
Number of channels2,DUART
FIFO32 bytes
protocolRS232,RS422
Data rate (maximum)16Mbps
Voltage - Power2.25 V ~ 3.6 V
With automatic flow controlyes
With IrDA encoder/decoderyes
With false start bit detectionyes
with modem controlyes
Installation typesurface mount
Package/casing48-TQFP
Supplier device packaging48-TQFP(7x7)
XR16V2650
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO
MAY 2007
REV. 1.0.2
GENERAL DESCRIPTION
The XR16V2650
1
(V2650) is a high performance dual
universal asynchronous receiver and transmitter
(UART) with 32 bytes TX and RX FIFOs. The device
operates from 2.25 to 3.6 volts with 5 Volt tolerant
inputs and is pin-to-pin compatible to Exar’s
ST16C2550, XR16C2550 and XR16V2550. The
V2650 register set is compatible to the ST16C2550,
the XR16L2550 and the XR16V2550. It supports
Exar’s enhanced features of selectable FIFO trigger
level, automatic hardware (RTS/CTS) and software
flow control, and a complete modem interface.
Onboard registers provide the user with operational
status and data error flags. An internal loopback
capability allows system diagnostics. Independent
programmable baud rate generators are provided in
each channel to select data rates up to 16 Mbps at
3.3 Volt with 4X sampling clock. The V2650 is
available in 48-pin TQFP and 32-pin QFN packages.
N
OTE
:
1 Covered by U.S. Patent #5,649,122
FEATURES
2.25 to 3.6 Volt Operation
5 Volt Tolerant Inputs
Pin-to-pin compatible to ST16C2550, XR16C2550,
XR16L2550 and XR16V2550 in the 48-TQFP
package
Two independent UART channels
Register set compatible to XR16V2550
Data rate of up to
16 Mbps at 3.3 V,
and
12.5
Mbps at 2.5 V
with 4X sampling rate
Fractional Baud Rate Generator
Transmit and Receive FIFOs of 32 bytes
Selectable TX and RX FIFO Trigger Levels
Automatic Hardware (RTS/CTS) Flow Control
Automatic Software (Xon/Xoff) Flow Control
Wireless Infrared (IrDA 1.0) Encoder/Decoder
Automatic sleep mode
Full modem interface
APPLICATIONS
Portable Appliances
Telecommunication Network Routers
Ethernet Network Routers
Cellular Data Devices
Factory Automation and Process Controls
F
IGURE
1. XR16V2650 B
LOCK
D
IAGRAM
Device Identification and Revision
Crystal oscillator (up to 32MHz) or external clock
(up to 64MHz) input
48-TQFP and 32-QFN packages
* 5 Volt Tolerant Inputs
A2:A0
D7:D0
IOR#
IOW#
CSA#
CSB#
INTA
INTB
TXRDYA#
TXRDYB#
RXRDYA#
RXRDYB#
Reset
8-bit Data
Bus
Interface
UART Channel A
UART
Regs
BRG
32 Byte TX FIFO
TX & RX
IR
ENDEC
2.25 to 3.6 Volt VCC
GND
TXA, RXA, DTRA#,
DSRA#, RTSA#,
DTSA#, CDA#, RIA#,
OP2A#
32 Byte RX FIFO
TXB, RXB, DTRB#,
DSRB#, RTSB#,
CTSB#, CDB#, RIB#,
OP2B#
XTAL1
XTAL2
UART Channel B
(same as Channel A)
Crystal Osc/Buffer
Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com

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Description IC UART FIFO 32B DUAL 48TQFP IC UART FIFO 32B DUAL 32QFN IC UART FIFO 32B DUAL 48TQFP EVAL BOARD FOR V2650 32QFN EVAL BOARD FOR V2650 48TQFP IC UART FIFO 32B DUAL 32QFN
characteristic Internal oscillator, timer/counter Internal oscillator, timer/counter Internal oscillator, timer/counter - - Internal oscillator, timer/counter
Number of channels 2,DUART 2,DUART 2,DUART - - 2,DUART
FIFO 32 bytes 32 bytes 32 bytes - - 32 bytes
protocol RS232,RS422 RS232,RS422 RS232,RS422 - - RS232,RS422
Data rate (maximum) 16Mbps 16Mbps 16Mbps - - 16Mbps
Voltage - Power 2.25 V ~ 3.6 V 2.25 V ~ 3.6 V 2.25 V ~ 3.6 V - - 2.25 V ~ 3.6 V
With automatic flow control yes yes yes - - yes
With IrDA encoder/decoder yes yes yes - - yes
With false start bit detection yes yes yes - - yes
with modem control yes yes yes - - yes
Installation type surface mount surface mount surface mount - - surface mount
Package/casing 48-TQFP 32-VFQFN Exposed Pad 48-TQFP - - 32-VFQFN Exposed Pad
Supplier device packaging 48-TQFP(7x7) 32-QFN(5x5) 48-TQFP(7x7) - - 32-QFN(5x5)
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