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SCALEXIO Serial Interface Solution

The SCALEXIO Serial Interface Solution lets you use the Serial Peripheral Interface (SPI) and Inter-Integrated Circuit (I2C) bus with a SCALEXIO system. The solution consists of an I/O solution base board equipped with the DS2655M2 Digital I/O Module and custom I/O functions for parameterizing these interfaces with ConfigurationDesk®.

The solution can be used with an external I/O unit, a SCALEXIO rack system, or a SCALEXIO LabBox. 

Feature SPI I2C
General
  • Software-adjustable signal voltage level (3.3 / 5 V)
  • Communication with up to 20 MHz
  • Software-adjustable signal voltage level (3.3 / 5 V)
  • Communication with up to 1 MHz (Fast-mode plus)
Master features
  • Up to 4 masters
  • Adjustable timing for each chip select cycle
  • Adjustable data format for each chip select cycle
  • Up to 5 master nodes
  • Supports the following speed modes: Standard-mode, Fast-mode and Fast-mode plus
  • 10 bit addressing possible
Slave features
  • Up to 12 slaves
  • Adjustable cycle format and data bit width for each slave
  • Star or daisy chain topology available
  • Up to 5 slave nodes
  • Each physical slave node can have up to 16 logical slaves with different addresses
  • For each slave up to 16 bytes can be received or send
  • Clock stretching is possible