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參數(shù)資料
| 型號(hào)： | XR16V2652IL-0B-EB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 1/48頁 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR V2652 32QFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | * |
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Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XR16V2652
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO
MAY 2007
REV. 1.0.2
GENERAL DESCRIPTION
The XR16V26521 (V2652) is a high performance dual
universal asynchronous receiver and transmitter
(UART) with 32 byte 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
ST16C2552,
XR16L2552,
XR16V2552
and
XR16L2752. The V2652 register set is compatible to
the ST16C2552 and the XR16V2552. It supports the
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 V2652 is
available in 44-pin PLCC 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 Exar’s XR16V2752 in the
44-PLCC package
Two independent UART channels
■ Register set compatible to ST16C2552
■ 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
Alternate Function Register
Device Identification and Revision
Crystal oscillator or external clock input
Crystal oscillator (up to 32 MHz) or external clock
(up to 64 MHz) input
44-PLCC and 32-QFN packages
FIGURE 1. XR16V2652 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
CS#
CHSEL
INTA
INTB
IOW#
IOR#
Reset
TXRDYA#
TXRDYB#
RXRDYA#
RXRDYB#
32 Byte RX FIFO
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16V2652IL32 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 32-BYTE FIFO |
| XR16V2652IL-F | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)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 |
| XR16V2652ILTR-F | 制造商:Exar Corporation 功能描述:UART 2-CH 32Byte FIFO 2.5V/3.3V 32-Pin QFN EP T/R 制造商:Exar Corporation 功能描述:XR16V2652ILTR-F |
| XR16V2750 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 64-BYTE FIFO |
| XR16V2750_07 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 64-BYTE FIFO |
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