Single chip HID USB to SMBus main bridge
Integrated USB transceiver; No external resistor or crystal required
SMBus master equipment
GPIO can be configured as input/output and open drain/push-pull
512 byte SMBus data buffer
Integrated 194-byte one-time programmable ROM for storing customizable product information
On-chip power-on reset circuit
On-chip regulator: 3.45V output

USB peripheral function controller
Comply with USB specification 2.0 standard; Full speed (12Mbps)
Support USB suspend state via SUSPEND and/SUSPEND pins

HID interface
Standard USB devices do not require custom drivers
Supported by Windows, Mac and Linux

Open access interface specifications
Windows, Mac, and Linux HID to SMBus Library
API for rapid application development

SMBus configuration options
Configurable clock speed
Device address: 7-bit value, that is, the slave device address of CP2112. The device will only ACK this address, but will not respond to any read/write requests
Read/Write Timeout
SCL low timeout
Retry counter timed out

GPIO interface characteristics
8 GPIO pins with configurable options
Can be used as input, open drain or push-pull output
Configurable clock output for external devices
48 MHz to 94 kHz
Switch LED during SMBus reading
Switch LED during writing to SMBus

Supply voltage
Self-powered: 3.0 to 3.6V
USB bus power supply: 4.0 to 5.25V
I/O voltage: 1.8V to VDD
Temperature range:-40 to 85°C