SPI to I²C-Bus Interface

SC18IS600

The SC18IS600 is designed to serve as an interface between the standard SPI of a host (microcontroller, microprocessor, chip set, etc.) and the serial I2C-bus. This allows the host to communicate directly with other I2C-bus devices. The SC18IS600 can operate as an I2C-bus controller-transmitter or controller-receiver. The SC18IS600 controls all the I2C-bus specific sequences, protocol, arbitration and timing.

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Block Diagram

Block diagram: SC18IS600IPW, SC18IS601IPW

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Features

  • SPI follower interface
  • SPI Mode 3
  • Single controller I2C-bus controller
  • Four General Purpose Input/Output (GPIO) pins
  • Two quasi-bidirectional I/O pins
  • 5 V tolerant I/O pins
  • High-speed SPI: Up to 1.2 Mbit/s
  • High-speed I2C-bus: 400 kbit/s
  • 96-byte transmit buffer
  • 96-byte receive buffer
  • 2.4 V to 3.6 V operation
  • Power-down mode with WAKEUP pin
  • Internal oscillator
  • Active LOW interrupt output
  • Available in very small TSSOP16 and HVQFN24 packages

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