EFM32WG990 Datasheet, PDF (76/80 Pages) List of Unclassifed Manufacturers – The EFM32 MCUs are the world’s most energy friendly microcontrollers.

Preliminary
...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 ................................................................................................................................. 9
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 ..................................................................................................................... 12
3.5. Transition between Energy Modes .................................................................................................... 20
3.6. Power Management ....................................................................................................................... 21
3.7. Flash .......................................................................................................................................... 22
3.8. General Purpose Input Output ......................................................................................................... 23
3.9. Oscillators .................................................................................................................................... 30
3.10. Analog Digital Converter (ADC) ...................................................................................................... 34
3.11. Digital Analog Converter (DAC) ...................................................................................................... 44
3.12. Operational Amplifier (OPAMP) ...................................................................................................... 45
3.13. Analog Comparator (ACMP) .......................................................................................................... 49
3.14. Voltage Comparator (VCMP) ......................................................................................................... 51
3.15. LCD .......................................................................................................................................... 52
3.16. Digital Peripherals ....................................................................................................................... 52
4. Pinout and Package ................................................................................................................................. 54
4.1. Pinout ......................................................................................................................................... 54
4.2. Alternate functionality pinout ............................................................................................................ 58
4.3. GPIO pinout overview .................................................................................................................... 66
4.4. Opamp pinout overview .................................................................................................................. 66
4.5. BGA112 Package .......................................................................................................................... 67
5. PCB Layout and Soldering ........................................................................................................................ 69
5.1. Recommended PCB Layout ............................................................................................................ 69
5.2. Soldering Information ..................................................................................................................... 71
6. Chip Marking, Revision and Errata .............................................................................................................. 72
6.1. Chip Marking ................................................................................................................................ 72
6.2. Revision ...................................................................................................................................... 72
6.3. Errata ......................................................................................................................................... 72
7. Revision History ...................................................................................................................................... 73
7.1. Revision 1.10 ............................................................................................................................... 73
7.2. Revision 1.00 ............................................................................................................................... 73
7.3. Revision 0.95 ............................................................................................................................... 73
7.4. Revision 0.90 ............................................................................................................................... 73
A. Disclaimer and Trademarks ....................................................................................................................... 74
A.1. Disclaimer ................................................................................................................................... 74
A.2. Trademark Information ................................................................................................................... 74
B. Contact Information ................................................................................................................................. 75
B.1. Energy Micro Corporate Headquarters .............................................................................................. 75
B.2. Global Contacts ............................................................................................................................ 75
2013-05-06 - EFM32WG990FXX - d0203_Rev1.10
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