EFM32ZG222 Datasheet, PDF (67/70 Pages) Silicon image – Energy, gas, water and smart metering

...the world's most energy friendly microcontrollers
List of Figures
2.1. Block Diagram ....................................................................................................................................... 3
2.2. EFM32ZG222 Memory Map with largest RAM and Flash sizes ........................................................................ 7
3.1. EM0 Current consumption while executing prime number calculation code from flash with HFRCO running at 24
MHz ........................................................................................................................................................ 11
3.2. EM0 Current consumption while executing prime number calculation code from flash with HFRCO running at 21
MHz ........................................................................................................................................................ 11
3.3. EM0 Current consumption while executing prime number calculation code from flash with HFRCO running at 14
MHz ........................................................................................................................................................ 12
3.4. EM0 Current consumption while executing prime number calculation code from flash with HFRCO running at 11
MHz ........................................................................................................................................................ 12
3.5. EM0 Current consumption while executing prime number calculation code from flash with HFRCO running at 6.6
MHz ........................................................................................................................................................ 13
3.6. EM1 Current consumption with all peripheral clocks disabled and HFRCO running at 24 MHz .............................. 13
3.7. EM1 Current consumption with all peripheral clocks disabled and HFRCO running at 21 MHz .............................. 14
3.8. EM1 Current consumption with all peripheral clocks disabled and HFRCO running at 14 MHz .............................. 14
3.9. EM1 Current consumption with all peripheral clocks disabled and HFRCO running at 11 MHz .............................. 15
3.10. EM1 Current consumption with all peripheral clocks disabled and HFRCO running at 6.6 MHz ........................... 15
3.11. EM2 current consumption. RTC prescaled to 1kHz, 32.768 kHz LFRCO. ....................................................... 16
3.12. EM3 current consumption. ................................................................................................................... 16
3.13. EM4 current consumption. ................................................................................................................... 17
3.14. Typical Low-Level Output Current, 2V Supply Voltage ................................................................................ 21
3.15. Typical High-Level Output Current, 2V Supply Voltage ................................................................................ 22
3.16. Typical Low-Level Output Current, 3V Supply Voltage ................................................................................ 23
3.17. Typical High-Level Output Current, 3V Supply Voltage ................................................................................ 24
3.18. Typical Low-Level Output Current, 3.8V Supply Voltage .............................................................................. 25
3.19. Typical High-Level Output Current, 3.8V Supply Voltage ............................................................................. 26
3.20. Calibrated LFRCO Frequency vs Temperature and Supply Voltage .............................................................. 28
3.21. Calibrated HFRCO 1 MHz Band Frequency vs Supply Voltage and Temperature ............................................ 29
3.22. Calibrated HFRCO 7 MHz Band Frequency vs Supply Voltage and Temperature ............................................ 30
3.23. Calibrated HFRCO 11 MHz Band Frequency vs Supply Voltage and Temperature ........................................... 30
3.24. Calibrated HFRCO 14 MHz Band Frequency vs Supply Voltage and Temperature ........................................... 30
3.25. Calibrated HFRCO 21 MHz Band Frequency vs Supply Voltage and Temperature ........................................... 31
3.26. Integral Non-Linearity (INL) ................................................................................................................... 36
3.27. Differential Non-Linearity (DNL) .............................................................................................................. 36
3.28. ADC Frequency Spectrum, Vdd = 3V, Temp = 25°C ................................................................................. 37
3.29. ADC Integral Linearity Error vs Code, Vdd = 3V, Temp = 25°C ................................................................... 38
3.30. ADC Differential Linearity Error vs Code, Vdd = 3V, Temp = 25°C ............................................................... 39
3.31. ADC Absolute Offset, Common Mode = Vdd /2 ........................................................................................ 40
3.32. ADC Dynamic Performance vs Temperature for all ADC References, Vdd = 3V .............................................. 40
3.33. ADC Temperature sensor readout ......................................................................................................... 41
3.34. IDAC Source Current as a function of voltage on IDAC_OUT ....................................................................... 44
3.35. IDAC Sink Current as a function of voltage from IDAC_OUT ........................................................................ 45
3.36. IDAC linearity .................................................................................................................................... 45
3.37. ACMP Characteristics, Vdd = 3V, Temp = 25°C, FULLBIAS = 0, HALFBIAS = 1 ............................................. 47
4.1. EFM32ZG222 Pinout (top view, not to scale) .............................................................................................. 51
4.2. TQFP48 .............................................................................................................................................. 55
5.1. TQFP48 PCB Land Pattern ..................................................................................................................... 57
5.2. TQFP48 PCB Solder Mask ..................................................................................................................... 58
5.3. TQFP48 PCB Stencil Design ................................................................................................................... 59
6.1. Example Chip Marking (top view) ............................................................................................................. 60
2015-03-06 - EFM32ZG222FXX - d0066_Rev1.10
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