iC-MB4 QFN28-5x5

BiSS Interface Master iC, 2 channel/8 slaves/R422 transceiver

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Article description

iC-MB4 is a BiSS/SSI interface master controller.
An 8 bit bus or an SPI interface enable the communication with a µC.
Up to 8 BiSS slaves can be accessed: each SCD sensor data up to 64 bit and BiSS B/C register access and control communication.
Capturing is programmable by command, cycle time or external trigger.
Two RAM banks enable parallel access for the microcontroller while new sensor data is read in.
iC-MB4 QFN28 provides up to 2 channels for BiSS/SSI communication.
On a single channel operation differential RS422 or LVDS signals or single ended CMOS/TTL signals are available.
On a dual channel operation single ended CMOS/TTL signals are available.

Product description

iC-MB4 is a BiSS/SSI interface master controller.
An 8 bit bus or an SPI interface enable the communication with a µC.
Up to 8 BiSS slaves can be accessed: each SCD sensor data up to 64 bit and BiSS B/C register access and control communication.
Capturing is programmable by command, cycle time or external trigger.
Two RAM banks enable parallel access for the microcontroller while new sensor data is read in.

Features

  • BiSS/SSI communication with up to 8 slaves on 2 channels
  • Synchronous sensor data acquisition with cyclic transfer (up to 10 Mbit/s with TTL, CMOS, RS422 or LVDS)
  • Configurable BiSS B/C protocol including bidirectional slave register communication
  • Slave register operations during cyclic data transfers
  • Automatic compensation of line delays and conversion times
  • Data lengths of up to 64 bit for sensor data, configurable for each slave
  • Data verification by CRC polynomials of up to 16 bit per slave
  • Separate memory banks enable free controller access during BiSS sensor data transfers
  • 64 bytes memory for bidirectional slave register communication
  • Parallel interface with 8 bit data/address bus services Intel and Motorola devices with combined data and address bus
  • Serial controller communication by SPI-compatible mode
  • Single 3 V to 5 V supply, industrial temperature range

Applications

  • BiSS/SSI communication master for linear and rotary encoder
  • Motor feedback, PLC and drive systems
  • Master for multi sensor bus structure systems
  • Configuration and calibration by bidirectional communication
  • PLC systems
  • Drives
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