CP2112 Debug Board

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  • CP2112 Debug Board USB to SMBus I2C Communication Module 2.0 MicroUSB 2112 Evaluation Kit for CCS811 Sensor Module for arduino
  • USB bus power supply 4.0 sub 5.25V
  • Working environment temperature: – 40 ℃ ~ 85 ℃
  • On chip reset circuit, on-chip voltage regulator: 3.45v output
  • Meet USB specification 2.0 standard; full speed (12mbps)
  • Supports USB suspend status through suspend pin
  • Integrated 194 byte disposable programmable ROM for storing customized product information
  • 512-byte SMBus data buffer, configurable clock speed device address 7-bit value, i.e. slave device address of cp2112
  • API from windows, MAC and Linux hid to SMBus library for rapid application development, open access interface specification.
  • 8 GPIOs can be configured as input / output and open drain / push-pull type, for the configurable clock output of external equipment from 48mhz to 94khz, read / write to SMBus device switching LED


  • CP2112 Debug Board USB to SMBus I2C Communication Module 2.0 MicroUSB 2112 Evaluation Kit for CCS811 Sensor Module for arduino
  • Cp2112 highly integrated USB to SMBus bridge controller integrates a USB2.0 full speed function controller, USB transceiver oscillator and 8 GP10 pins.
  • All customization and configuration options can be selected through a simple GUI Based configurator. Standard hid devices do not need to develop complex firmware and drivers. Cp2112 devices can realize fast USB connection with minimal development work.
  • The CP2112 uses the standard USB HID device class, which is natively supported by most operating systems. A custom driver does not need to be installed for this device. Host applications communicate with the CP2112 through interface libraries provided by Silicon Labs. The interface specification for the CP2112 is also available to enable the development of an API for any operating system that supports HID.
  • The CP2112 SMBus interface includes the SDA and SCL signals needed for SMBus communication and is configurable.
  • The configurable options include the clock speed, read/write timeouts, retry counter timeout, SCL low timeouts, and a 7-bit device address. The CP2112 will only ACK the 7-bit device address assigned to it but will not respond to any read/write requests. External pull-up resistors are needed for the SCL and SDA signals.
  • The device also features a total of eight GPIO signals. The GPIO signals are controlled through USB and can be configured as Input/ Output and Open-Drain/Push-Pull. Three of the GPIO signals support alternate features including a configurable clock output (48 MHz to 94 kHz) and TX and RX LED toggle. Support for I/O interface voltages down to 1.8 V is provided via a VIO pin.

Application Fields

  • portable controller
  • USB dongle
  • data recording
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