Process Change Notice #1011011A
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W7206F1 Process Change Notice Form rev Z
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Title: Si4430/31/32-B1 Datasheet Revision 1.1
Customer Contact: Kathy Haggar
Description of Change:
Silicon Labs is pleased to announce rev 1.1 of the Si443x-B1 datasheet.
The datasheet has been updated with the following items:
Updated pin 6, ANT1 to ANT
Changed error in TX Datarate formula, "3.5.7. TX Data Rate Generator" on page 31
Updated "6.1. RX and TX FIFOs" on page 41 regarding the operation at the end of TX FIFO
mode
Updated description of general purpose ADC, "8.3 General Purpose ADC" on page 52
Added paragraph to "8.6. Wake-Up Timer and 32 kHz Clock Source" on page 56 for how 32
kHz XTAL accuracy is determined
Added paragraph to "8.8. GPIO Configuration" on page 59 to describe how to control the ANT
pin
Deleted 100 ppm 32 kHz XTAL accuracy specification
Added new specification for 32k RC start-up
Updated 32 kHz RC accuracy
Updated preamble pattern to 010101 from 101010
Deleted app notes which are not published
Deleted tape and reel quantity
Reason for Change:
Update the datasheet per Description of Change above to improve descriptions and accuracy
Impact on Form, Fit, Function, Quality, Reliability:
There is no impact on form, fit, function, quality or reliability
