Data Sheet
Table Of Contents
- 1 Design guidelines
- 2 Ordering Information
- 3 Pinout and Terminal Descriptions
- 4 Packaging
- 5 Power control
- 6 Interfaces
- 7 Block diagram
- 8 Example schematics
- 9 802.11 Radio
- 10 Firmware
- 11 Host interfaces
- 12 Electrical characteristics
- 13 RF Characteristics
- 14 Physical dimensions
- 15 Layout guidelines
- 16 Soldering recommendations
- 17 Certifications
- 18 Qualified Antenna Types for WF121-E
Silicon Labs
1.5.4 Added USB example schematic
1.5.5 Corrections to Firmware section
1.5.6 Noted UART channel limitations, SPI BGAPI limitations
1.5.7 Correction to Reset chapter
1.5.8 Maximum SPI data rate updated
1.5.9 Added notes on Ethernet and 32kHz clock sections
1.5.10
Added a note on UART host bus flow control and clarified SPI host bus notify
signal description
1.5.11 Corrected pinout drawing, TX power table
2.0.0
Removed mentions of UART4,5 and Coexistence, updates to current
consumption figures, updated latest CE standard versions. Changed contact
information and URLs from Bluegiga to Silicon Labs