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參數資料
| 型號： | XR16M680IM48-0C-EB |
| 廠商： | Exar Corporation |
| 文件頁數： | 1/57頁 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR16M680-C 48TQFP |
| 標準包裝： | 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
XR16M680
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 32-BYTE FIFO
SEPTEMBER 2008
REV. 1.0.0
GENERAL DESCRIPTION
The XR16M6801 (M680) is an enhanced Universal
Asynchronous Receiver and Transmitter (UART) with
32 bytes of transmit and receive FIFOs, selectable
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
M680 can be minimized by enabling the sleep mode
and PowerSave mode.
The M680 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 M680 is available in 32-pin
QFN, 48-pin TQFP and 25-pin BGA packages. All
three packages offer both the 16 mode (Intel bus)
interface and the 68 mode (Motorola bus) interface
which
allows
easy
integration
with
Motorola
processors.
NOTE: 1 Covered by U.S. Patent #5,649,122.
FEATURES
Pin-to-pin compatible with XR16L580 in 32-QFN
and 48-TQFP packages
Intel or Motorola Bus Interface select
16Mbps maximum data rate
Selectable TX/RX 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
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
FIGURE 1. XR16M680 BLOCK DIAGRAM
VC C
XTAL1
XTAL2
C rystal O sc/Buffer
TX, R X,
RTS#, CTS#,
DTR#, D SR#,
Intel or
Motorola
Data Bus
Interface
UART
32 Byte RX FIFO
BR G
IR
EN DEC
TX &
RX
UART
R egs
A2:A0
Pw rSave
32 Byte TX FIFO
RI#, CD #
R ESET
(R ESET#)
D7:D 0
IO W # (R/W #)
CS#
INT (IRQ #)
IO R #
GND
(1.62 to 3.63 V)
16/68#
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相關代理商/技術參數 |
參數描述 |
|---|---|
| XR16M680IM48-F | 功能描述:UART 接口集成電路 1.8 HIGH PERFORMANCE UART W/32 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 |
| XR16M681 | 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE |
| XR16M681IB25 | 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE |
| XR16M681IB25-0C-EB | 功能描述:界面開發工具 Eval Board for XR16M681IB25 Series RoHS:否 制造商:Bourns 產品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XR16M681IB25-F | 功能描述:UART 接口集成電路 1.62-3.63V; 32-Byte FIFO & VLIO; 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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