Interface Copyright © 2010 by Silicon Laboratories 11.5.2010
CP2110
Single Chip HID USB to UART Bridge
Single-Chip HID USB to UART Data Transfer
Integrated USB transceiver; no external resistors
required
Integrated clock; no external crystal required
Integrated 343-byte one-time programmable ROM
for storing customizable product information
On-chip power-on reset circuit
On-chip voltage regulator: 3.45 V output
USB Peripheral Function Controller
USB Specification 2.0 compliant; full-spe ed
(12 Mbps)
USB suspend states supported via SUSPEND pins
HID Interface
Standard USB class device requires no custom
driver
Windows 7, Vista, XP, Server 2003, 2000
Win CE 6.0, 5.0, and 4.2
Mac OS-X
Linux
Open access to interface specification
Windows and MAC HID-to-UART Libraries
APIs for quick application development
Supports Windows 7, Vista, XP, Server 2003, 2000
Supports Mac OS X
Supply Voltage
Self-powered: 3.0 to 3.6 V
USB bus powered: 4.0 to 5.25 V
-I/O voltage: 1.8 V to VDD
UART Interface Features
Flow control options:
- Hardware (CTS / RTS)
- No flow control
Data formats supported:
- Data bits: 5, 6, 7, and 8
- Stop bits: 1, 1.5, and 2
- Parity: odd, even, mark, space, no parity
Baud rates: 300 bps to 1 Mbps
480 Byte receive and transmit buffers
RS-485 mode with bus transceiver control
Line break transmission
GPIO Interface Features
10 GPIO pins with configurable options
Usable as inputs, open-drain or push-pull outputs
Configurable clock output for external devices
- 24 MHz to 47 kHz
RS-485 bus transceiver control
Toggle LED upon transmission
Toggle LED upon reception
Ordering Part Number
CP2110-F01-GM
Package
RoHS-compliant 24-pin QFN (4 x 4 mm)
Temperature Range: –40 to +85 °C
Connect to
VBUS or
External Supply
VBUS
D+
D-
GND
USB
Connector
Logic Level
Supply
(1.8V to VDD)
UART
And
Flow
Control
GPIO
Signals
CP2110
Data FIFOs
48 MHz
Oscillator
480 B RX
480 B TX
UART
Controller
USB Interface
Peripheral
Function
Controller
Full-Speed
12 Mbps
Transceiver
343 Byte PROM
(Product Customization)
Voltage
Regulator Baud Rate
Generator
REGIN
VDD
GND
VIO
VBUS
D+
D-
I/O Power and Logic Levels
RST
GPIO and
Suspend
Controller
TX
RX
GPIO.1_RTS
GPIO.2_CTS
Suspend
Signals
GPIO.0_CLK
GPIO.3_RS485
GPIO.4_TXT
GPIO.5_RXT
GPIO.6
GPIO.7
GPIO.8
GPIO.9
SUSPEND
SUSPEND
VPP
Interface Copyright © 2010 by Silicon Laboratories 11.5.2010
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.
Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders.
Selected Electrical Specifications
–40 to +85 °C unless otherwise speci fied.
Parameter Conditions Min Typ Max Units
Input Voltage Rang e (R EGI N ) 3.0 — 5.25 V
Regulator Output Voltage Output Current = 1 to 100 mA* 3.3 3.45 3.6 V
VBUS Detection Input Threshold 2.5 — — V
Bias Current — — 120 µA
*Note: The maximum regulator supply current is 100 mA. This includes the supply current of the CP2110.
Package Information
QFN-24 Pinout Diagram (Top View)
24
23
22
21
20
19
1
2
3
4
5
6
7
8
9
10
11
12
18
17
16
15
14
13
GND (optional)
CP2110-GM
Top View
GPIO.4_TXT
RX
TX
GPIO.3_RS485
GPIO.2_CTS
GPIO.1_RTS
GPIO.0_CLK
GND
D+
N/C
SUSPEND
GPIO.9
GPIO.5_RXT
GPIO.8
GPIO.7
GPIO.6
VPP
SUSPEND
VDD
VIO
D-
RST
VBUS
REGIN
CP2110EK Evaluation Kit
The CP2110EK allows a complete evaluation and
customization of the CP2110 USB-to-UART bridge
including all GPIO functions, flow control, RS485
transceiver control and transmit and receive LEDs.
Includes Windows and Mac libraries
USB cable and serial cable
CD ROM with complete documentation
CP2110
Single Chip HID USB to UART Bridge