SPI slave to I2C master/GPIO bridges
NXP bridge solutions include products that provide seamless protocol convergence between the two widely-used, bus-shared architectures: SPI and I2C. Our bridges allow hosts having an SPI bus to easily communicate with I2C-bus devices such as LCD displays, temperature/voltage sensors, and EEPROM data storage. Our bridges' GPIOs further allow you to expand your system for detecting push buttons/keypads and controlling LEDs and fans.
The bridge interface to the SPI bus is a slave that uses four wires (2 data and 2 control signals) and operates at speeds as high as 3Mbps. The bridge interface to the I2C bus is a master that uses two wires (SCL and SDA) and supports speeds up to 400KHz. The bridge GPIOs are configurable.
These bridges operate from 2.4V to 3.6V and come in TSSOP packages and feature a power-down mode. They can be used in industrial applications with a temperature range of -40 to +85 °C.
SPI to I2C Translation
An SPI slave to I2C-bus master bridge allows a host with SPI-bus capability to transparently communicate to an I2C-bus. Our bridge's I2C bus controller has multi-master capability. This allows it to share the bus with other I2C masters such as a microcontroller.
SPI to GPIO System Expansion
Additional GPIOs can be used for:
Click for datasheet. Click More... to access full product/package information.
SPI Slave to I2C Master/GPIO Bridges
Demonstration and Evaluation Boards