KIT EVAL FOR CP2103 USB TO UART

CP2103EK

Manufacturer Part NumberCP2103EK
DescriptionKIT EVAL FOR CP2103 USB TO UART
ManufacturerSilicon Laboratories Inc
CP2103EK datasheets
 


Specifications of CP2103EK

Main PurposeInterface, USB 2.0 to UART (RS232) BridgeEmbeddedNo
Utilized Ic / PartCP2103Primary AttributesFull Speed, 300 bps to 1 Mbps
Secondary AttributesSoftware, Connector Provides Direct Access to UART SignalsProcessor To Be EvaluatedCP2103
Interface TypeRS-232, USBSilicon ManufacturerSilicon Labs
Silicon Core NumberCP2103Kit ContentsEvaluation Board, RS-232 Cable, USB Cable And Driver CD
Development Tool TypeHardware / Software - Eval/Demo BoardLead Free Status / RoHS StatusContains lead / RoHS non-compliant
Other names336-1163  
1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
Page 1/20

Download datasheet (237Kb)Embed
Next
S
- C
USB
INGLE
H IP
Single-Chip USB to UART Data Transfer
Integrated USB transceiver; no external resistors

required
Integrated clock; no external crystal required

Integrated 1024-Byte EEPROM for vendor ID, product

ID, serial number, power descriptor, release number,
and product description strings
On-chip power-on reset circuit

On-chip voltage regulator: 3.3 V output

USB Function Controller
USB Specification 2.0 compliant; full-speed (12 Mbps)

USB suspend states supported via SUSPEND pins

Asynchronous Serial Data BUS (UART)
All handshaking and modem interface signals

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

576 Byte receive buffer; 640 byte transmit buffer

Hardware or X-On/X-Off handshaking supported

Four GPIO signals for status and control

Configurable I/O (1.8 V to V
) using V

DD
Configurable I/O (V
to 5 V) using external pull-up

DD
RS-485 mode with bus transceiver control

5
VIO
External
voltage supply
or direct
connection
to VDD
7
REGIN
6
VDD
GND
8
VBUS
USB
CONNECTOR
1
VBUS
4
D-
2
D-
3
3
D+
D+
4
GND
Rev. 1.0 12/10
UART B
TO
RIDGE
Virtual COM Port Device Drivers
Works with Existing COM Port PC Applications

Royalty-Free Distribution License

Windows 7

®
Mac

Linux

USBXpress™ Direct Driver Support
Royalty-Free Distribution License

Windows 7/Vista/XP/Server 2003/2000

Windows CE 6.0, 5.0, and 4.2

Example Applications
Upgrade of RS-232 legacy devices to USB

Upgrade of RS-485 legacy devices to USB

Cellular phone USB interface cable

PDA USB interface cable

USB to RS-232 serial adapter

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 V

pin
IO
Package
Lead free 28-pin QFN (5x5 mm)

Ordering Part Number
CP2103-GM

Temperature Range: –40 to +85 °C
CP2103
4
Voltage
IN
Regulator
OUT
48 MHz
Oscillator
USB
USB Function
Transceiver
Controller
640B
576B
1024B
TX
RX
EEPROM
Buffer
Buffer
Figure 1. Example System Diagram
Copyright © 2010 by Silicon Laboratories
C P 2 1 0 3
®
®
®
®
®
/Vista
/XP
/Server 2003
/2000
OS-X
DD
GPIO_0
(to external circuitry
GPIO_1
for status and
control)
GPIO_2
GPIO_3
9
RST
(to external circuitry
12
for USB suspend
SUSPEND
states)
11
SUSPEND
1
RI
28
DCD
27
DTR
External RS-232
26
transceiver or
DSR
UART
UART circuitry
25
TXD
24
RXD
23
RTS
22
CTS
CP2103

CP2103EK Summary of contents

  • Page 1

    USB INGLE H IP Single-Chip USB to UART Data Transfer Integrated USB transceiver; no external resistors  required Integrated clock; no external crystal required  Integrated 1024-Byte EEPROM for vendor ID, product  ID, serial number, power ...

  • Page 2

    CP2103 2 Rev. 1.0 ...

  • Page 3

    T C ABLE O F ONTENTS Section 1. System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 4

    ... CP2103. An evaluation kit for the CP2103 (Part Number: CP2103EK) is available. It includes a CP2103-based USB-to- UART/RS-232 evaluation board, a complete set of VCP device drivers, USB and RS-232 cables, and complete documentation. Contact a Silicon Labs sales representatives or visit Evaluation Kit ...

  • Page 5

    Electrical Specifications Table 1. Absolute Maximum Ratings Parameters Ambient Temperature under bias Storage Temperature Voltage on any I/O Pin or RST with respect to GND Voltage with respect to GND DD IO Maximum Total Current ...

  • Page 6

    CP2103 Table 3. UART and Suspend I/O DC Electrical Characteristics 2.7 to 3.6 V, –40 to +85 °C unless otherwise specified IO DD Parameters Output High Voltage ( Output Low Voltage ( ...

  • Page 7

    Table 5. Reset Electrical Characteristics –40 to +85 °C unless otherwise specified Parameters RST Input High Voltage RST Input Low Voltage Minimum RST Low Time to Generate a System Reset Table 6. Voltage Regulator Electrical Specifications –40 to +85 °C ...

  • Page 8

    CP2103 3. Pinout and Package Definitions Name Pin # Type V 6 Power In DD Power Out V 5 Power In IO GND 2 SGND RST 9 D I/O REGIN 7 Power In VBUS ...

  • Page 9

    SGND GND D+ 3 CP2103 D- 4 Top View SGND REGIN 7 Figure 2. QFN-28 Pinout Diagram (Top View GPIO.0 18 GPIO.1 17 GPIO.2 16 GPIO.3 ...

  • Page 10

    CP2103 Table 8. QFN-28 Package Dimensions Dimension Min Nom A 0.80 0.90 A1 0.03 0.07 A3 0.25 REF b 0.18 0.25 D 5.00 BSC. D2 2.90 3.15 e 0.50 BSC. E 5.00 BSC. Notes: 1. All dimensions shown are in ...

  • Page 11

    Figure 4. Typical QFN-28 Land Pattern Rev. 1.0 CP2103 11 ...

  • Page 12

    CP2103 Figure 5. Typical QFN-28 Solder Paste Diagram 12 Rev. 1.0 ...

  • Page 13

    USB Function Controller and Transceiver The universal serial bus function controller in the CP2103 is a USB 2.0 compliant full-speed device with integrated transceiver and on-chip matching and pull-up resistors. The USB function controller manages all data transfers between ...

  • Page 14

    CP2103 5. Asynchronous Serial Data Bus (UART) Interface The CP2103 UART interface consists of the TX (transmit) and RX (receive) data signals as well as the RTS, CTS, DSR, DTR, DCD, and RI control signals. The UART supports RTS/CTS, DSR/DTR, ...

  • Page 15

    Table 10. Default USB Configuration Data Name Vendor ID Product ID Power Descriptor (Attributes) Power Descriptor (Max. Power) Release Number Serial Number Product Description String 8. CP2103 Device Drivers There are two sets of device drivers available for the CP2103 ...

  • Page 16

    CP2103 9. Voltage Regulator The CP2103 includes an on-chip voltage regulator. This allows the CP2103 to be configured as either a USB bus-powered device or a USB self-powered device. These configurations are shown in Figures 7 ...

  • Page 17

    VBUS From VBUS From 5 V REGIN Power Net Power Net Figure 8. Configuration 2: USB Self-Powered VBUS From VBUS REGIN V From Power Net Figure 9. Configuration 3: USB Self-Powered, Regulator Bypassed ...

  • Page 18

    CP2103 10. Relevant Application Notes The following application notes are applicable to the CP2103. The latest versions of these application notes and their accompanying software are available at: http://www.silabs.com/products/mcu/Pages/ApplicationNotes.aspx.  AN144: CP21xx Device Customization Guide This application note describes how ...

  • Page 19

    OCUMENT HANGE IST Revision 0.1 to Revision 0.2  Updated “Linux 2.40” bullet on page 1. Revision 0.2 to Revision 0.3  Added additional supported operating systems on page 1.  Changed VDD conditions of Tables 2 ...

  • Page 20

    ... Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized application, Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages. Silicon Laboratories, Silicon Labs, and USBXpress are trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders 20 Rev ...