Silicon Labs: What kind of product is the CP2120?
CP21xx
The CP2120 is an SPI ⇔ I2C conversion IC. The basic specs are as follows.
- SPI: Slave function (~1Mbps)
- I2C: Master function (~400kbps)
- GPIO extension: 8
- Operating Voltage: 2.7-3.6V
- Package: QFN20 (4x4mm)
It is intended for use in adding these functions to host controllers (such as DSPs) that lack I2C and GPIO.
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