CP2201EK Silicon Laboratories Inc, CP2201EK Datasheet - Page 9

• Manufacturer Part Number: CP2201EK
• Description: KIT EVAL FOR CP2201 ETH CTRLR
• Manufacturer: Silicon Laboratories Inc
• Type: Controllers & Processorsr

Specifications of CP2201EK

• Main Purpose: Interface, Ethernet Sensor
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CP2200, CP2201
• Primary Attributes: Temperature and Light Sensor
• Secondary Attributes: Graphic User Interface
• Interface Type: Ethernet
• Product: Modules
• Silicon Manufacturer: Silicon Labs
• Silicon Core Number: CP2201
• Silicon Family Name: CP220x
• Kit Contents: CP2201 Evaluation Board, Power Adapter, CAT5e Ethernet Cable, CD-ROM, Quick-Start Guide
• For Use With/related Products: CP2201
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 336-1316

6.5. Remotely Updating Firmware Using the Bootloader
The CP2201EB has a bootloader that can be used to update its firmware over the network. The bootloader uses
the Trivial File Transfer Protocol (TFTP) to transfer an image file from the PC (TFTP Client) to the CP2201EB
(TFTP Server). The transfer must be binary and the file name in the CP2201EB’s file system must be “boot.img”.
1. Open the main web page for the CP2201EB in a web browser and click on the third link ‘3. Update Firm-
2. Wait 5–10 seconds, then the CP2201EB should appear in yellow with a text description “Firmware Boot-
3. Press the Bootloader quick launch button. When prompted, browse for the .img file containing the latest
4. Once the image location is specified, the command line TFTP client (standard on all Windows PCs) is
ware.’ You should see a message saying that the server will no longer respond and that the bootloader will
shut down in 5 seconds.
loader” as shown in Figure 14. Note: If the embedded system does not appear inside a yellow win-
dow, then keep searching until you see a yellow window with the title 'CP2201 Demo Board'.
firmware image and press OK. Note: Network drive paths beginning in “\\” cannot be used. An image
named CP2201EB_MFG2A.img can be found on the CD.
launched and bootloading initiates. After 10 to 15 seconds, a confirmation message will appear on the
screen. Figure 15 shows an example of a confirmation message following a successful firmware update.
Figure 14. Searching for the CP2201EB in Bootload Mode
Figure 15. Successful Firmware Update
Rev. 0.1
CP2201-EK
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