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XR16M770IL24-0C-EB

Description
interface development tools eval board for xr16m770il24 series
CategoryDevelopment board/suite/development tools   
File Size489KB,52 Pages
ManufacturerExar [Exar Corporation]
Environmental Compliance  
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XR16M770IL24-0C-EB Overview

interface development tools eval board for xr16m770il24 series

XR16M770IL24-0C-EB Parametric

Parameter NameAttribute value
ManufactureEx
Product CategoryInterface Development Tools
RoHSYes
XR16M770
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
DECEMBER 2009
REV. 1.0.2
GENERAL DESCRIPTION
The XR16M770
1
(M770) is an enhanced Universal
Asynchronous Receiver and Transmitter (UART) with
64 bytes of transmit and receive FIFOs,
programmable transmit and receive FIFO trigger
levels, automatic hardware and software flow control,
and data rates of up to 16 Mbps at 3.3V, 12.5 Mbps at
2.5V and 7.5 Mbps at 1.8V with 4X data sampling
rate.
The Auto RS-485 Half-Duplex Direction control
feature simplifies both the hardware and software for
half-duplex RS-485 applications. In addition, the
Multidrop mode with Auto Address detection
increases the performance by simplifying the
software routines.
The Independent TX/RX Baud Rate Generator
feature allows the transmitter and receiver to operate
at different baud rates. Power consumption of the
M770 can be minimized by enabling the sleep mode
and PowerSave mode.
The M770 has a 16550 compatible register set that
provide users with operating status and control,
receiver error indications, and modem serial interface
controls. An internal loopback capability allows
onboard diagnostics. The M770 is available in 24-pin
QFN, 32-pin QFN and 25-pin BGA packages. All
three packages offer the 16 mode (Intel bus) interface
only.
N
OTE
:
1 Covered by U.S. Patent #5,649,122.
FEATURES
Pin-to-pin compatible with XR16L570 in 24-QFN
and 32-QFN packages
Intel data bus Interface
16 Mbps maximum data rate
Programmable TX/RX FIFO Trigger Levels
TX/RX FIFO Level Counters
Independent TX/RX Baud Rate Generator
Fractional Baud Rate Generator
Auto RTS/CTS Hardware Flow Control
Auto XON/XOFF Software Flow Control
Auto RS-485 Half-Duplex Direction Control
Multidrop mode w/ Auto Address Detect
Sleep Mode with Automatic Wake-up
PowerSave mode in 24-pin QFN package
Infrared (IrDA 1.0 and 1.1) mode
1.62V to 3.63V supply operation
Crystal oscillator or external clock input
APPLICATIONS
Personal Digital Assistants (PDA)
Cellular Phones/Data Devices
Battery-Operated Devices
Global Positioning System (GPS)
Bluetooth
F
IGURE
1. XR16M770 B
LOCK
D
IAGRAM
P w rS a v e
A 2 :A 0
D 7 :D 0
IO R #
IO W #
CS#
IN T
RESET
UART
Regs
UART
6 4 B y te T X F IF O
TX &
RX
IR
ENDEC
VCC
(1 .6 2 to 3 .6 3 V )
GND
TX, RX,
RTS#, CTS#,
DTR#, DSR#,
R I# , C D #
In te l
D a ta B u s
In te rfa c e
BRG
6 4 B y te R X F IF O
C ry s ta l O s c /B u ffe r
XTAL1
XTAL2
Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com

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