<commit_before># IC / Microcontroller

### Si1062
* [Product 
  page](http://www.silabs.com/products/wireless/wirelessmcu/Pages/si106x-8x.aspx)
* Microcontroller core is a C8051F930 with Si4460 RF peripheral
* Use Digikey 336-2597-ND
* Used with WFQFN36-PAD footprint on Shrew-U r1 successfully

### STM32F072CBT6
* [Product 
  page](http://www.st.com/web/en/catalog/mmc/FM141/SC1169/SS1574/LN1823/PF259606)
* Cortex-M0 core
* Use Farnell 2432094
* Used with LQFP48 footprint on Supervide successfully

### STM32F303CBT6
* [Product 
  page](http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1576/LN1531/PF253449)
* Cortex-M4 core
* Use Farnell 2333361
* Used with LQFP48 footprint on M2R successfully<commit_msg>Update README for STM32F091RxHx<commit_after># IC / Microcontroller

### Si1062
* [Product 
  page](http://www.silabs.com/products/wireless/wirelessmcu/Pages/si106x-8x.aspx)
* Microcontroller core is a C8051F930 with Si4460 RF peripheral
* Use Digikey 336-2597-ND
* Used with WFQFN36-PAD footprint on Shrew-U r1 successfully

### STM32F072CBT6
* [Product 
  page](http://www.st.com/web/en/catalog/mmc/FM141/SC1169/SS1574/LN1823/PF259606)
* Cortex-M0 core
* Use Farnell 2432094
* Used with LQFP48 footprint on Supervide successfully

### STM32F091RxHx
* [Product 
  page](http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1574/LN7/PF260450)
* Cortex-M0 core
* Use Farnell 2503242
* Not used yet

### STM32F303CBT6
* [Product 
  page](http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1576/LN1531/PF253449)
* Cortex-M4 core
* Use Farnell 2333361
* Used with LQFP48 footprint on M2R successfully
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