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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
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