CP21xx Smart Interface USB Bridge Quick Reference Card FEATURE SUMMARY KEY CUSTOMER BENEFITS Crystal-less USB operation recovers the USB clock and eliminates the external crystal Internal voltage regulator supplies up to 150 mA and eliminates the external regulator In-system programming memory enables product customization and eliminates external EEPROM Reduces PCB area and BOM costs with the industry’s most highly-integrated solution Small package options as small as 4 mm x 4 mm QFN for space-constrained applications UART, I2C/SMBus, SPI and I2S options supports all serial formats with fast transfer rates up to 12 Mbit/s Configurable, high-performance serial modules enable communication with a wide range of devices Up to 16 GPIOs supports alternate functions such as suspend indicators, RS-485 transceiver control, configurable clock output, toggle LED on data traffic, count pulses or edges and playback control Adds flexibility to simplify your design and shorten development time Available VIO supply enables communication with devices operating down to 1.8 V Royalty-free software drivers supports all major operating systems such as Windows, Mac, Linux and Android In-system programmable for easy configuration via USB connection No External Crystal Drop-in, easily begin communications No External Regulator No External EEPROM SMART INTERFACE USB BRIDGES PART NUMBER COMMUNICATIONS DRIVER TYPE MAX TRANSFER RATE GPIO PINS 5 V VOLTAGE REGULATOR OUTPUT CRYSTALLESS USB IN-SYSTEM PROG. PACKAGE CP2102* USB-to-UART Virtual COM Port (VCP), USBXpress 1 Mbit/s — 3.3 V 100 mA output Yes Flash 5 x 5 mm QFN28 CP2103* USB-to-UART Virtual COM Port (VCP), USBXpress 1 Mbit/s 4 3.3 V 100 mA output Yes Flash 5 x 5 mm QFN28 CP2104 USB-to-UART Virtual COM Port (VCP), USBXpress 2 Mbit/s 4 3.45 V 100 mA output Yes EPROM 4 x 4 mm QFN24 CP2105 USB-to-2 x UART Virtual COM Port (VCP), USBXpress 2 Mbit/s 5 3.45 V 100 mA output Yes EPROM 4 x 4 mm QFN24 CP2108 USB-to-4 x UART Virtual COM Port (VCP), USBXpress 2 Mbit/s 16 3.3 V 150 mA output Yes Flash 9 x 9 mm QFN64 CP2109* USB-to-UART Virtual COM Port (VCP), USBXpress 1 Mbit/s — 3.45 V 100 mA output Yes EPROM 5 x 5 mm QFN28 CP2110 USB-to-UART Human Interface Device (HID) 1 Mbit/s 10 3.45 V 100 mA output Yes EPROM 4 x 4 mm QFN24 CP2112 USB-to-SMBus/I2C Human Interface Device (HID) 0.4 Mbit/s 8 3.45 V 100 mA output Yes EPROM 4 x 4 mm QFN24 CP2114 USB-to-I2S USB Audio 1 Mbit/s 12 3.45 V 100 mA output Yes EPROM 5 x 5 mm QFN32 CP2130 USB-to-SPI WinUSB, LibUSB 12 Mbit/s 11 3.45 V 100 mA output Yes EPROM 4 x 4 mm QFN24 *For new designs, customers should design-in using the lower-cost CP2104 CP2104 Mini Evaluation Board Order parts and evaluation kits, find support, white papers and data sheets at www.silabs.com/usb-bridge