CP2112-EK Datasheet, PDF (2/14 Pages) Silicon Laboratories – Quick Start Guide

CP2112-EK
4. CP2112 Hardware Interface
1. Connect the CP2112 evaluation board to a PC as shown in Figure 1.
2. Connect one end of the USB cable to a USB Port on the PC.
3. Connect the other end of the USB cable to the USB connector on the CP2112 evaluation board.
4. Connect the SDA, SCL, and Ground pins on the CP2112 to an SMBus device. External pull-up resistors
are not needed if the pull-up resistors on the CP2112 evaluation board are used.
USB
CP2112 HID USB
to SMBus/I²C
Bridge
SCL
SDA
ground
SMBus/I²C
Device
CP2112 EK
Figure 1. Hardware Setup
2
Rev. 0.3