CP2112 debug board USB to I2C Communication Module E-879 On-chip power-on reset circuit, on-chip voltage regulator: 3.45 V output Compliant with USB specification 2.0 standard; full speed (12Mbps) USB suspend status via SUSPEND and /SUSPEND pins Integrated 194-byte one-time programmable ROM for storing customizable product information 512-byte SMBus data buffer, configurable clock speed device address 7-bit value is the slave address of CP2112 Windows, Mac, and Linux HID to SMBus libraries API for rapid application development, open-access interface specifications. 8 GPIOs can be configured as input/output and open-drain/push-pull, configurable clock output for external devices 48MHz to 94kHz, switching LEDs during reading/write SMBus