參數(shù)資料
型號： XR20M1170IG24-F
廠商： Exar Corporation
文件頁數(shù)： 1/56頁
文件大小： 0K
描述： IC UART FIFO I2C/SPI 64B 24TSSOP
標準包裝： 62
特點： *
通道數(shù)： 1，UART
FIFO's： 64 字節(jié)
規(guī)程： RS485
電源電壓： 2.25 V ~ 3.6 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
帶CMOS： 是
安裝類型： 表面貼裝
封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
供應商設備封裝： 24-TSSOP
包裝： 管件
其它名稱： 1016-1571-5
XR20M1170IG24-F-ND
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XR20M1170
I2C/SPI UART WITH 64-BYTE FIFO
JULY 2012
REV. 1.1.0
GENERAL DESCRIPTION
The XR20M11701 (M1170) is a high performance
universal asynchronous receiver and transmitter
(UART) with 64 byte TX and RX FIFOs and a
selectable I2C/SPI slave interface. The M1170
operates from 1.62 to 3.63 volts. The enhanced
features in the M1170 include a programmable
fractional baud rate generator, an 8X and 4X
sampling rate that allows for a maximum baud rate of
16 Mbps at 3.3V. The standard features include 16
selectable TX and RX FIFO trigger levels, automatic
hardware (RTS/CTS) and software (Xon/Xoff) 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. The M1170 is available in
the 24-pin QFN, 16-pin QFN, 24-pin TSSOP and 16-
pin TSSOP packages.
NOTE: 1 Covered by U.S. Patent #5,649,122
APPLICATIONS
Portable Appliances
Battery-Operated Devices
Cellular Data Devices
Factory Automation and Process Controls
FEATURES
1.62 to 3.6 Volt Operation
Selectable I2C/SPI Interface
SPI clock frequency up to
■ 18 MHz at 3.3 V
■ 16 MHz at 2.5 V
■ 8 MHz at 1.8 V
Full-featured UART
■ Data rate of up to 16 Mbps at 3.3 V
■ Data rate of up to 12.5 Mbps at 2.5 V
■ Data rate of up to 8 Mbps at 1.8 V
■ Fractional Baud Rate Generator
■ Transmit and Receive FIFOs of 64 bytes
■ 16 Selectable TX and RX FIFO Trigger Levels
■ Automatic Hardware (RTS/CTS) Flow Control
■ Automatic Software (Xon/Xoff) Flow Control
■ Halt and Resume Transmission Control
■ Automatic
RS-485
Half-duplex
Direction
Control Output via RTS#
■ Wireless Infrared (IrDA 1.0 and 1.1) Encoder/
Decoder
■ Automatic sleep mode (< 15 uA at 3.3V)
■ General Purpose I/Os
■ Full modem interface
Crystal oscillator (up to 24MHz) or external clock
(up to 64MHz) input
24-QFN,
16-QFN,
24-TSSOP,
16-TSSOP
packages
FIGURE 1. XR20M1170 BLOCK DIAGRAM
I2C/SPI
Interface
I2C/SPI#
SO
A1/SI
A0/CS#
SCL
SDA
IRQ#
Crystal Osc/Buffer
BRG
UART
Regs
XTAL2
XTAL1
64 Byte
TX FIFO
GPIOs
TX
RX
CTS#
RTS#
GPIO[7:0]
1.62V – 3.63V
VCC
64 Byte
RX FIFO
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相關代理商/技術參數(shù)
參數(shù)描述
XR20M1170IG24TR-F 制造商:Exar Corporation 功能描述:UART 1-CH 64Byte FIFO 1.8V/2.5V/3.3V 24-Pin TSSOP T/R 制造商:Exar Corporation 功能描述:XR20M1170IG24TR-F
XR20M1170IL16 制造商:EXAR 制造商全稱:EXAR 功能描述:I2C/SPI UART WITH 64-BYTE FIFO
XR20M1170IL16-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
XR20M1170IL16TR-F 功能描述:UART 接口集成電路 1.8V, 1 Ch. 64 Byte I2C / SPI 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
XR20M1170IL24 制造商:EXAR 制造商全稱:EXAR 功能描述:I2C/SPI UART WITH 64-BYTE FIFO
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