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參數資料
型號: XR16V2650IL-0B-EB
廠商: Exar Corporation
文件頁數: 1/47頁
文件大小: 0K
描述: EVAL BOARD FOR V2650 32QFN
標準包裝: 1
系列: *
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XR16V2650
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO
MAY 2007
REV. 1.0.2
GENERAL DESCRIPTION
The XR16V26501 (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.
NOTE: 1 Covered by U.S. Patent #5,649,122
APPLICATIONS
Portable Appliances
Telecommunication Network Routers
Ethernet Network Routers
Cellular Data Devices
Factory Automation and Process Controls
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
Device Identification and Revision
Crystal oscillator (up to 32MHz) or external clock
(up to 64MHz) input
48-TQFP and 32-QFN packages
FIGURE 1. XR16V2650 BLOCK DIAGRAM
XTAL1
XTAL2
Crystal Osc/Buffer
TXA, RXA, DTRA#,
DSRA#, RTSA#,
DTSA#, CDA#, RIA#,
OP2A#
8-bit Data
Bus
Interface
UART Channel A
32 Byte TX FIFO
BRG
IR
ENDEC
TX & RX
UART
Regs
2.25 to 3.6 Volt VCC
GND
* 5 Volt Tolerant Inputs
TXB, RXB, DTRB#,
DSRB#, RTSB#,
CTSB#, CDB#, RIB#,
OP2B#
UART Channel B
(same as Channel A)
A2:A0
D7:D0
CSA#
CSB#
INTA
INTB
IOW#
IOR#
Reset
TXRDYA#
TXRDYB#
RXRDYA#
RXRDYB#
32 Byte RX FIFO
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XR16V2650IL32 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 32-BYTE FIFO
XR16V2650IL-F 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16V2650IM 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
XR16V2650IM-0B-EB 功能描述:UART 接口集成電路 Supports V2650 48 ld TQFP, PCI Interface RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16V2650IM-F 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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