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參數(shù)資料
| 型號： | XR16M890IL40TR-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 0K |
| 描述： | IC UART TXRX 128 BYTE 40QFN |
| 產(chǎn)品培訓(xùn)模塊： | XR21V141x Full-Speed USB UART Family |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 通道數(shù)： | 1，UART |
| FIFO's： | 128 字節(jié) |
| 規(guī)程： | RS232，RS485 |
| 電源電壓： | 1.62 V ~ 3.63 V |
| 帶自動流量控制功能： | 是 |
| 帶IrDA 編碼器/解碼器： | 是 |
| 帶故障啟動位檢測功能： | 是 |
| 帶調(diào)制解調(diào)器控制功能： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 40-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 40-QFN（6x6） |
| 包裝： | 帶卷 (TR) |
www.exar.com
XR16M890
Single-Channel UARTs with Selectable Bus Interfaces
Simplify Mixed Voltage Designs for Next Generation Systems
8-bit (Intel/Motorola/VLIO) UART with 128-Byte FIFO and Integrated Level Shifters
The XR16M8901 (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 VCC core voltage helps to lower the overall power
consumption for applications that use slower data rates.
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.
NOTE: 1Covered by U.S. Patent #5,649,122.
FEATURES
Integrated Level Shifters on
CPU interface, UART and
GPIO signals
Intel/Motorola/VLIO Bus
Interface select
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
Crystal oscillator or external
clock input
5V tolerant inputs
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| XR16M890IM48 | 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS |
| XR16M890IM48-0C-EB | 功能描述:UART 接口集成電路 EVAL F/M890 QFN48 MOT, INTEL, VLIO INT 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 |
| XR16M890IM48-F | 功能描述:UART 接口集成電路 1-Ch 8 Bit/VLIO UART w/Lvl Shftrs &16GPIO 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 |
| XR16M890IM48TR | 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS |
| XR16M890IM48TR-F | 功能描述:UART 接口集成電路 1-Ch 8 Bit/VLIO UART w/Lvl Shftrs &16GPIO 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 |
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