Datasheet > XR20M1170L28-0A-EB

XR20M1170L28-0A-EB

更新时间： 2024-01-17 05:42:22

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
60页	1741K
描述
EVAL BOARD FOR XR20M1170 28QFN

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XR20M1170

I2C/SPI UART WITH 64-BYTE FIFO

REV. 1.1.2

JUNE 2019

FEATURES

GENERAL DESCRIPTION

 1.62 to 3.6 Volt operation

 Selectable I²C/SPI interface

 SPI clock frequency up to

The XR20M1170¹is a high performance universal

asynchronous receiver and transmitter (UART) with

64 byte TX and RX FIFOs and a selectable I²C/SPI

slave interface. The XR20M1170 operates from 1.62

to 3.63 volts. The enhanced features in the

XR20M1170 include a programmable fractional baud

rate generator, an 8X and 4X sampling rate that

allows for a maximum baud rate of 16Mbps 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 XR20M1170 is available in

the 24-pin QFN, 16-pin QFN, 24-pin TSSOP and 16-

pin TSSOP packages.

 18MHz at 3.3V

 16MHz at 2.5V

 8MHz at 1.8V

 Full-featured UART

 Data rate of up to 16Mbps at 3.3V

 Data rate of up to 12.5Mbps at 2.5V

 Data rate of up to 8Mbps at 1.8V

 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

NOTE: 1 Covered by U.S. Patent #5,649,122

APPLICATIONS

 Automatic RS-485 half-duplex direction control

 Portable appliances

output via RTS#

 Battery-operated devices

 Cellular data devices

 Wireless Infrared (IrDA 1.0 and 1.1) encoder/

decoder

 Automatic sleep mode (< 15uA at 3.3V)

 General purpose I/Os

 Factory automation and process controls

 Full modem interface

 Crystal oscillator (up to 24MHz) or external clock

(up to 64MHz) input

 24-QFN,

packages

16-QFN,

24-TSSOP,

16-TSSOP

FIGURE 1. XR20M1170 BLOCK DIAGRAM

VCC

1.62V – 3.63V

64 Byte

TX FIFO

64 Byte

RX FIFO

IRQ#

UART

Regs

RTS#

CTS#

SDA

SCL

GPIOs

I²C/SPI

GPIO[7:0]

A0/CS#

A1/SI

Interface

BRG

XTAL1

XTAL2

Crystal Osc/Buffer

I2C/SPI#

12 3 4 5 6 7...60

中文翻译

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与XR20M1170L28-0A-EB相关器件

型号	品牌	获取价格	描述	数据表
XR20M1170L28-0B-EB	ETC	获取价格	EVAL BOARD FOR XR20M1170 28QFN
XR20M1172	EXAR	获取价格	TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
XR20M1172_09	EXAR	获取价格	TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
XR20M1172G28-0A-EB	ETC	获取价格	EVAL BOARD FOR XR20M1172 28TSSOP
XR20M1172G28-0B-EB	ETC	获取价格	EVAL BOARD FOR XR20M1172 28TSSOP
XR20M1172IG28	EXAR	获取价格	TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
XR20M1172IG28-F	EXAR	获取价格	I2C Bus Controller, 2 Channel(s), 2MBps, CMOS, PDSO28, 4.40 MM, GREEN, TSSOP-28
XR20M1172IG28TR-F	EXAR	获取价格	I2C Bus Controller, CMOS, PDSO28, 4.40 MM, GREEN, TSSOP-28
XR20M1172IL32	EXAR	获取价格	TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
XR20M1172IL32-F	ETC	获取价格	IC UART FIFO I2C/SPI 64B 32QFN

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