AN434

2

Rev. 0.4

1.1. Additional Documentation

1. CP2110 data sheet:

http://www.silabs.com/products/interface/usbtouart

2. CP2114 data sheet:

http://www.silabs.com/CP2114

3. Dynamic libraries that adhere to this CP2110/4 Interface specification are available for the following

operating systems:

AN433: CP2110 HID-to-UART API Specification documents the Windows DLL. The document and libraries are

available at:

www.silabs.com/appnotes

4. HID Device Class Definition:

http://www.usb.org/developers/hidpage/

1.2. Default Values for Parameters Stored in PROM

Table 1 and Table 2 list the default values for the one-time configurable parameters stored in the PROM of the

CP2110. Table 3 and Table 4 list the default values for the one-time configurable parameters stored in the PROM of

the CP2114.

Table 1. CP2110 Default PROM Values

Parameter

Default Value

VID

0x10C4

PID

0xEA80

Power

50 (100 mA)

Power Mode

Bus Powered

Flush Buffers

Flush TX/RX on Open

Manufacturing String

Silicon Laboratories Inc.

Product String

CP2110 HID USB-to-UART Bridge

Serial String

0001

Lock Bytes

*Note: The lock bytes indicate which parameters have already been programmed.