EFM32WG840F128 Energy Micro, EFM32WG840F128 Datasheet - Page 63

• Manufacturer Part Number: EFM32WG840F128
• Description: ARM Microcontrollers - MCU 128kb flash 32kb RAM
• Manufacturer: Energy Micro

Specifications of EFM32WG840F128

• Rohs: yes
• Core: ARM Cortex M4F
• Processor Series: EFM32WG840
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.85 V to 3.8 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: QFN-64
• Mounting Style: SMD/SMT

2012-09-11 - EFM32WG840FXX - d0195_Rev1.00
Table of Contents
1. Ordering Information .................................................................................................................................. 2
2. System Summary ...................................................................................................................................... 3
3. Electrical Characteristics ........................................................................................................................... 10
4. Pinout and Package ................................................................................................................................. 46
5. PCB Layout and Soldering ........................................................................................................................ 56
6. Chip Marking, Revision and Errata ............................................................................................................ 59
7. Revision History ...................................................................................................................................... 60
A. Disclaimer and Trademarks ....................................................................................................................... 61
B. Contact Information ................................................................................................................................. 62
2.1. System Introduction ......................................................................................................................... 3
2.2. Configuration Summary .................................................................................................................... 7
2.3. Memory Map ................................................................................................................................. 8
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 .................................................................................................... 13
3.6. Power Management ....................................................................................................................... 13
3.7. Flash .......................................................................................................................................... 14
3.8. General Purpose Input Output ......................................................................................................... 15
3.9. Oscillators .................................................................................................................................... 22
3.10. Analog Digital Converter (ADC) ...................................................................................................... 26
3.11. Digital Analog Converter (DAC) ...................................................................................................... 36
3.12. Operational Amplifier (OPAMP) ...................................................................................................... 37
3.13. Analog Comparator (ACMP) .......................................................................................................... 41
3.14. Voltage Comparator (VCMP) ......................................................................................................... 43
3.15. LCD .......................................................................................................................................... 44
3.16. Digital Peripherals ....................................................................................................................... 44
4.1. Pinout ......................................................................................................................................... 46
4.2. Alternate functionality pinout ............................................................................................................ 49
4.3. GPIO pinout overview .................................................................................................................... 54
4.4. Opamp pinout overview .................................................................................................................. 54
4.5. QFN64 Package ........................................................................................................................... 55
5.1. Recommended PCB Layout ............................................................................................................ 56
5.2. Soldering Information ..................................................................................................................... 58
6.1. Chip Marking ................................................................................................................................ 59
6.2. Revision ...................................................................................................................................... 59
6.3. Errata ......................................................................................................................................... 59
7.1. Revision 1.00 ............................................................................................................................... 60
7.2. Revision 0.95 ............................................................................................................................... 60
7.3. Revision 0.90 ............................................................................................................................... 60
A.1. Disclaimer ................................................................................................................................... 61
A.2. Trademark Information ................................................................................................................... 61
B.1. Energy Micro Corporate Headquarters .............................................................................................. 62
B.2. Global Contacts ............................................................................................................................ 62
Preliminary
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63
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