EFR32BG1 Datasheet, PDF (3/163 Pages) Silicon Laboratories – Home and Building Automation

3.9.4 Digital to Analog Current Converter (IDAC) . . . . . . . . . . . . . . . . . . .11
3.10 Reset Management Unit (RMU) . . . . . . . . . . . . . . . . . . . . . . .11
3.11 Core and Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.11.1 Processor Core . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.11.2 Memory System Controller (MSC) . . . . . . . . . . . . . . . . . . . . . .11
3.11.3 Linked Direct Memory Access Controller (LDMA) . . . . . . . . . . . . . . . . .11
3.12 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.13 Configuration Summary . . . . . . . . . . . . . . . . . . . . . . . . . .13
4. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.1 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . .14
4.1.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . .15
4.1.2 Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.1.2.1 General Operating Conditions . . . . . . . . . . . . . . . . . . . . . . .17
4.1.3 Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . .18
4.1.4 DC-DC Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4.1.5 Current Consumption. . . . . . . . . . . . . . . . . . . . . . . . . . .21
4.1.5.1 Current Consumption 3.3 V without DC-DC Converter . . . . . . . . . . . . . . .21
4.1.5.2 Current Consumption 3.3 V using DC-DC Converter . . . . . . . . . . . . . . .22
4.1.5.3 Current Consumption 1.85 V without DC-DC Converter . . . . . . . . . . . . . .24
4.1.5.4 Current Consumption Using Radio . . . . . . . . . . . . . . . . . . . . .25
4.1.6 Wake up times . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
4.1.7 Brown Out Detector . . . . . . . . . . . . . . . . . . . . . . . . . . .27
4.1.8 Frequency Synthesizer Characteristics . . . . . . . . . . . . . . . . . . . . .28
4.1.9 2.4 GHz RF Transceiver Characteristics . . . . . . . . . . . . . . . . . . . .29
4.1.9.1 RF Transmitter General Characteristics for the 2.4 GHz Band . . . . . . . . . . . .29
4.1.9.2 RF Receiver General Characteristics for the 2.4 GHz Band . . . . . . . . . . . . .30
4.1.9.3 RF Transmitter Characteristics for Bluetooth Smart in the 2.4 GHz Band . . . . . . . . .31
4.1.9.4 RF Receiver Characteristics for Bluetooth Smart in the 2.4 GHz Band. . . . . . . . . .33
4.1.9.5 RF Transmitter Characteristics for 802.15.4 O-QPSK DSSS in the 2.4 GHz Band . . . . . .35
4.1.9.6 RF Receiver Characteristics for 802.15.4 O-QPSK DSSS in the 2.4 GHz Band. . . . . . .38
4.1.10 Sub-GHz RF Transceiver Characteristics . . . . . . . . . . . . . . . . . . .40
4.1.10.1 Sub-GHz RF Transmitter Characteristics in the 915 MHz Band . . . . . . . . . . .41
4.1.10.2 Sub-GHz RF Receiver Characteristics in the 915 MHz Band . . . . . . . . . . . .45
4.1.10.3 Sub-GHz RF Transmitter Characteristics in the 868 MHz Band . . . . . . . . . . .48
4.1.10.4 Sub-GHz RF Receiver Characteristics in the 868 MHz Band . . . . . . . . . . . .49
4.1.10.5 Sub-GHz RF Transmitter Characteristics in the 490 MHz Band . . . . . . . . . . .51
4.1.10.6 Sub-GHz RF Receiver Characteristics in the 490 MHz Band . . . . . . . . . . . .52
4.1.10.7 Sub-GHz RF Transmitter Characteristics in the 433 MHz Band . . . . . . . . . . .54
4.1.10.8 Sub-GHz RF Receiver Characteristics in the 433 MHz Band . . . . . . . . . . . .57
4.1.10.9 Sub-GHz RF Transmitter Characteristics in the 315 MHz Band . . . . . . . . . . .60
4.1.10.10 Sub-GHz RF Receiver Characteristics in the 315 MHz Band . . . . . . . . . . . .63
4.1.10.11 Sub-GHz RF Transmitter Characteristics in the 169 MHz Band . . . . . . . . . . .65
4.1.10.12 Sub-GHz RF Receiver Characteristics in the 169 MHz Band . . . . . . . . . . . .66
4.1.11 Modem Features . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
4.1.12 Oscillators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
4.1.12.1 LFXO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
4.1.12.2 HFXO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
4.1.12.3 LFRCO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
4.1.12.4 HFRCO and AUXHFRCO . . . . . . . . . . . . . . . . . . . . . . . .70
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