TP320121 I2C/SPI协议分析仪

型号为Beagle的I2C/SPI协议分析仪可实时监测速率达4MHz的I2C和速率达24MHz的SPI串行总线，分辨率为20ns。

该协议分析仪采用USB供电，可以通过USB2.0与电脑主机传输数据。该协议分析仪可实现现场升级，结合应用软件和API，

使用户实现自动化测试。

Total Phase推出一种低成本分析仪，可以非侵入地监视高速I2C (达4MHz)和spi (达24MHz)。嵌入式系统工程师利用Beagle I2C/SPI协定分析仪可实时监视总线活动情况，分析率达20ns。

Beagle I2C/SPI协议分析仪特别适合嵌入式系统工程师，是Aardvark I2C/SPI主机配接器的完美补充。Beagle分析仪给现场应用工程师带来的最大好处是占位面积小，便于现场除错。由于Beagle分析仪从USB取电，因此不需要电源配接器。只需将Beagle分析仪插入高速USB 2.0埠即可使用。

此一协议分析仪的无版税API适合自动测试环境。测试夹具可使用Beagle API以充分利用Beagle分析仪的全部特色，是适合生产线的快速有效的方案。该款协议分析仪提供完整的分析软件和免版税API，没有额外的支持合约和软件升级费用。

The AardvarkTM I2C/SPI Host Adapter is a fast and powerful I2C bus and SPI bus host adapter through USB. It allows a developer to interface a Linux or Windows PC to a downstream embedded system environment and transfer serial messages using the I2C and SPI protocols.

Detailed technical information about the Aardvark I2C/SPI Host Adapter can be found in the Technical Specifications section of our web site and in the datasheet.

Key Features

Fully Linux and Windows compatible

All software and utilities function on Linux x86 and Windows so that you can develop software for your preferred platform.

I2C

˙True 400 kbps performance over higher bandwidth USB
   versus slower RS-232.
˙Supports standard mode (100 kbps) and fast (400 kbps)
   mode as well as various speeds ranging from 1 kHz to
   800 kHz.

˙Supports inter-bit and inter-byte clock stretching.

˙Supports multi-master.

˙Master transmit and receive.

˙Asynchronous slave transmit and receive.

˙Software configurable I2C pull-up resistors.

˙Software configurable target power pins to power
   downstream devices.

˙Repeated Start, 10-bit slave addressing, and Combined
   Format transactions.

Learn more about I2C in the I2C Background article.

SPI

˙Operates in master or slave mode.

˙Up to 8 Mbps master signaling rate.

˙Up to 4 Mbps slave signaling rate.

˙Full duplex master transmit/receive.

˙