I2C Master

I2C Studio Master Overview

Supported Modes

I2C Studio running as I2C master supports six different modes

  • I2C
    • master transmitter
    • master receiver
    • combined transfers (master transmitter and receiver with a repeated START)
  • SMBus
    • quick command
    • send/receive byte
    • write/read byte
    • write/read word
    • process call
    • block write/read
    • block write block read process call
    • packet error checking (PEC)
  • IRD
    • high-level mode based on the IRD concept
  • Pause
  • Testpin Condition
    • wait for specified level on one or more testpins
    • timeout
  • Output Signal
    • set one or more testpins to the specified level


The master window of I2C Studio offers an impressive number of features:

  • messages are structured in a list of macros
  • macros can be disabled/enabled individually to include/exclude them from the next transfer
  • messages/macros can be named
  • messages/macros can be moved/copied
  • binary data to be sent can be read from a file
  • I2C bitrate can be configured (full-/high-speed)
  • send loop: complete message tree can be sent in a loop
  • detailed error messages
  • monitoring of SCL/SDA-stretching (time-out)
  • monitoring of I2C Vcc


telos I2C Studio: Master Mode

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Supported I2C Products

Tracii XL
Tracii XL
Tracii XL 2.0
Tracii XL 2.0
Connii MM 2.0
Connii MM 2.0