EFM32WG332 Datasheet, PDF (72/76 Pages) Silicon Laboratories – Operation from backup battery when main power drains out

...the world's most energy friendly microcontrollers
Table of Contents
1. Ordering Information .................................................................................................................................. 2
2. System Summary ...................................................................................................................................... 3
2.1. System Introduction ......................................................................................................................... 3
2.2. Configuration Summary .................................................................................................................... 7
2.3. Memory Map ................................................................................................................................. 8
3. Electrical Characteristics ........................................................................................................................... 10
3.1. Test Conditions ............................................................................................................................. 10
3.2. Absolute Maximum Ratings ............................................................................................................. 10
3.3. General Operating Conditions .......................................................................................................... 10
3.4. Current Consumption ..................................................................................................................... 11
3.5. Transition between Energy Modes .................................................................................................... 17
3.6. Power Management ....................................................................................................................... 18
3.7. Flash .......................................................................................................................................... 19
3.8. General Purpose Input Output ......................................................................................................... 19
3.9. Oscillators .................................................................................................................................... 27
3.10. Analog Digital Converter (ADC) ...................................................................................................... 32
3.11. Digital Analog Converter (DAC) ...................................................................................................... 42
3.12. Operational Amplifier (OPAMP) ...................................................................................................... 43
3.13. Analog Comparator (ACMP) .......................................................................................................... 47
3.14. Voltage Comparator (VCMP) ......................................................................................................... 49
3.15. I2C ........................................................................................................................................... 49
3.16. USART SPI ................................................................................................................................ 51
3.17. Digital Peripherals ....................................................................................................................... 53
4. Pinout and Package ................................................................................................................................. 54
4.1. Pinout ......................................................................................................................................... 54
4.2. Alternate Functionality Pinout .......................................................................................................... 57
4.3. GPIO Pinout Overview ................................................................................................................... 61
4.4. Opamp Pinout Overview ................................................................................................................. 61
4.5. TQFP64 Package .......................................................................................................................... 62
5. PCB Layout and Soldering ........................................................................................................................ 64
5.1. Recommended PCB Layout ............................................................................................................ 64
5.2. Soldering Information ..................................................................................................................... 66
6. Chip Marking, Revision and Errata .............................................................................................................. 67
6.1. Chip Marking ................................................................................................................................ 67
6.2. Revision ...................................................................................................................................... 67
6.3. Errata ......................................................................................................................................... 67
7. Revision History ...................................................................................................................................... 68
7.1. Revision 1.40 ............................................................................................................................... 68
7.2. Revision 1.31 ............................................................................................................................... 68
7.3. Revision 1.30 ............................................................................................................................... 68
7.4. Revision 1.20 ............................................................................................................................... 69
7.5. Revision 1.10 ............................................................................................................................... 69
7.6. Revision 1.00 ............................................................................................................................... 69
7.7. Revision 0.95 ............................................................................................................................... 69
7.8. Revision 0.90 ............................................................................................................................... 69
A. Disclaimer and Trademarks ....................................................................................................................... 70
A.1. Disclaimer ................................................................................................................................... 70
A.2. Trademark Information ................................................................................................................... 70
B. Contact Information ................................................................................................................................. 71
B.1. ................................................................................................................................................. 71
2014-06-13 - EFM32WG332FXX - d0191_Rev1.40
72
www.silabs.com