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Total Phase Aardvark
USB to I2C and SPI Host Adapter

I2C Bus Master and Slave Device

The Aardvark 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 Windows, Linux, or Mac OS X PC via USB to a downstream embedded system environment and transfer serial messages using the I2C and SPI protocols. The Aardvark is sometimes misspelled as Aardwark, Ardvark or Aarkvard.

Product information

Overview
  • I2C master and slave up to 800 kHz
  • I2C multi-master support
  • SPI master up to 8 MHz
  • SPI slave up to 4 MHz
  • GPIO with selectable pins
I2C
  • True 800 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
Compability
The Aardvark I2C/SPI Host Adapter is compatible with:
  • Display Data Channel (DDC)
  • System Management Bus (SMBus)
  • Power Management Bus (PMBus)
  • Smart Battery Bus (SBBus)
  • Intelligent Platform Management Interface (IPMI)
  • Two-Wire Interface (TWI)
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
  • Asynchronous slave transmit/receive
  • Software configurable target power pins to power downstream devices
  • Software configurable Slave Select (SS) polarity in master mode
GPIO - General Purpose IO
  • Repurpose I2C and SPI pins for more general use, allowing them to be used for custom signals on target systems
  • Combine GPIO functionality with I2C or SPI to interact with your target system
  • GPIO configuration is cached internally to preserve settings between operational modes
USB upgradable
Software and firmware upgrades are free of charge

Specifications

Operating SystemLinux, Windows, MAC-OS
PowerUSB
USB SpeedUSB 1.1 and 2.0 compliant
I2C Speed range1 kHz to 800 kHz
Supports I2C multi-masterYes
I2C Master transmit and receiveYes
I2C Asynchronous slave transmit and receiveYes
Configurable I2C pull-up resistorsYes
SPI Operating modeMaster and Slave
SPI Master SpeedUp to 8 Mbps master signaling rate
SPI Slave SpeedUp to 4 Mbps slave signaling rate
Full duplex master transmit/receiveYes
Asynchronous slave transmit/receiveYes
Configurable Slave Select (SS) polarity in master modeYes
General Purpose I/OYes

What´s included

In the box
  • Aardvark I2C Host Adapter Unit
  • 1,8m USB A->B cable

Accessories

45 €

Total Phase I2C/SPI Activity Board

Total Phase I2C/SPI Activity Board

Great for I2C and SPI Developers

This board is a great sanity check for the expert developer. Debugging a system against wo...

27 €

Total Phase 10-Pin Split Cable

Total Phase 10-Pin Split Cable

TP 10-Pin Split Cable

The 10-Pin Split Cable is the ideal solution for you. This cable attaches to the ribbon ca...

67 €

Total Phase EEPROM Socket Board

Total Phase EEPROM Socket Board

Flash/Burn I2C and SPI EEPROMs

The EEPROM Socket Board provides embedded systems engineers with an easy and cost-effectiv...

55 €

Total Phase 10-Pin Grabber Clip Split

Total Phase 10-Pin Grabber Clip Split

TP 10-Pin Colored Grabbers Cable

10-Pin Grabber Clip Split Cable makes it easy to connect your Aardvark I2C/SPI Host Adapte...

67 €

Total Phase Level Shifter Board

Total Phase Level Shifter Board

Provides Voltage Level Translation

The Level Shifter Board provides voltage level translation from 1.2V to 3.3V for the Aardv...

45 €

Total Phase Flash SOIC-8 Socket Board

Total Phase Flash SOIC-8 Socket Board

Cost-Effective SPI Flash Programming

The Flash SOIC-8 Socket Board provides embedded systems engineers with an easy and cost-ef...

39 €

Total Phase Flash SOIC-16 Socket Board

Total Phase Flash SOIC-16 Socket Board

Program SOIC-16 Serial Flash Memories

The Flash SOIC-16 Socket Board provides embedded systems engineers with an easy and cost-e...

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