4432-DKDB0 Silicon Laboratories Inc, 4432-DKDB0 Datasheet - Page 73
4432-DKDB0
Manufacturer Part Number
4432-DKDB0
Description
WiFi / 802.11 Modules & Development Tools Ant. Diversity 4432 Testcard High band
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SDBC-DK3.pdf
(76 pages)
Specifications of 4432-DKDB0
Modulation
GFSK
Operating Voltage
3.3 V
Antenna
SMA
For Use With/related Products
Si4432
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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- Download datasheet (2Mb)
SDBC-DK3 UG
12. Troubleshooting
Q1: My Software Development Board (SDB) displays an error message on startup.
A1: Factory firmware is designed to operate with officially approved testcards. The EBID (see Figure 20, “Test Card
Characteristics EEPROM (EBID),” on page 17) contain an authentication code to enable the use of the testcard
with the factory firmware.
Note: The EBID is only used in conjunction with factory firmware. EBID restrictions are not implemented by default
in customer firmware.
Figure 67. Error Message
The standard error message highlights
1. A missing testcard
2. A missing EEPROM
3. An invalid EEPROM authentication code
In addition, the firmware revision is highlighted in order for technical support to assist you.
Q2: After the Silicon Labs splash screen (which contains the firmware revision), there is an additional screen
shown before the setup menu's - What is this for?
A2: Authentication codes in the EBID enable the Silicon Labs to qualify a factory firmware build to a particular
testcard. If you received these message screens then a testcard is either an engineering testcard or is a specially
modified testcard for specific customers. Customers that have opened a technical support request and that have
special requirements may have received modified testcards—in this event, a notification will be displayed.
Rev. 0.4
73
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