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参数资料
| 型号： | XR16M890IL40-0C-EB |
| 厂商： | Exar Corporation |
| 文件页数： | 1/63页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL XR16M890IL40 |
| 产品培训模块： | XR21V141x Full-Speed USB UART Family UARTs with Integrated Level Shifters |
| 标准包装： | 1 |
| 主要目的： | 接口，UART |
| 嵌入式： | 否 |
| 已用 IC / 零件： | XR16M890IL40 |
| 已供物品： | 板 |
| 其它名称： | 1016-1606 |
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XR16M890
UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
APRIL 2011
GENERAL DESCRIPTION
The XR16M890 1 (M890) is a single-channel
Universal Asynchronous Receiver and Transmitter
(UART) with integrated level shifters and 128 bytes of
transmit and receive FIFOs.
For flexibility in a mixed voltage environment, the
M890 has 4 VCC pins. There is a VCC pin for the
core, a VCC pin for the UART signals, a VCC pin for
the CPU interface signals and a VCC pin for the
GPIO signals. The VCC pins for the UART, GPIO
and CPU interface signals allow for the M890 to
interface with devices operating at different voltage
levels eliminating the need for external voltage level
shifters.
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 and
Address Byte Control features increase 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. In addition, the Fractional
Baud Rate Generator feature provides flexibility for
crystal/clock frequencies for generating standard and
non-standard baud rates.
The M890 has programmable transmit and receive
FIFO trigger levels, automatic hardware and software
flow control, and data rates of up to 24 Mbps. Power
consumption of the M890 can be minimized by
enabling the sleep mode.
The M890 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 M890 has a selectable
Intel/Motorola/VLIO bus interface.
N OTE : 1 Covered by U.S. Patent #5,649,122.
REV. 1.0.0
FEATURES
? Integrated Level Shifters on CPU interface, UART
and GPIO signals
? Intel/Motorola/VLIO Bus Interface select
■ ’0’ ns address setup/hold times
? 24 Mbps maximum UART data rate
? Up to 16 GPIOs
? 128-Bytes TX and RX FIFOs
? Programmable 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 (RX)
? Multidrop mode w/ Address Byte Control (TX)
? Sleep Mode with Automatic Wake-up
? Infrared (IrDA 1.0 and 1.1) mode
? 1.62V to 3.63V supply operation
? 5V tolerant inputs
? Crystal oscillator or external clock input
APPLICATIONS
? Personal Digital Assistants (PDA)
? Cellular Phones/Data Devices
? Battery-Operated Devices
? Global Positioning System (GPS)
? Bluetooth
Exar Corporation 48720 Kato Road, Fremont CA, 94538 ? (510) 668-7000 ? FAX (510) 668-7017 ? www.exar.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR16M890IL40-F | 功能描述:UART 接口集成电路 1-Ch 8 Bit/VLIO UART w/Lvl Shftrs & 8GPIO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| XR16M890IL40TR | 制造商:EXAR 制造商全称:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS |
| XR16M890IL40TR-F | 功能描述:UART 接口集成电路 1-Ch 8 Bit/VLIO UART w/Lvl Shftrs & 8GPIO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| XR16M890IM48 | 制造商:EXAR 制造商全称:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS |
| XR16M890IM48-0C-EB | 功能描述:UART 接口集成电路 EVAL F/M890 QFN48 MOT, INTEL, VLIO INT RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
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