Table of Contents
1. Feature List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 EFR32BG22 SoC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.4 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4. Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.1 Absolute Maximum Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.2 General Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.2.1 DC-DC Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . .10
4.3 MCU Current Consumption with 3 V Supply . . . . . . . . . . . . . . . . . . . .11
4.4 Radio Current Consumption with 3 V Supply . . . . . . . . . . . . . . . . . . . .12
4.5 RF Transmitter General Characteristics for the 2.4 GHz Band . . . . . . . . . . . . . .13
4.6 RF Receiver General Characteristics for the 2.4 GHz Band . . . . . . . . . . . . . . .13
4.7 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 1 Mbps Data Rate . . .14
4.8 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 2 Mbps Data Rate . . .15
4.9 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 500 kbps Data Rate . .16
4.10 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 125 kbps Data Rate . .17
. . . . . . . . . . . . . . . . . . . . . . . . . .18
4.12 Low Frequency Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . .18
4.13 Precision Low Frequency RC Oscillator (LFRCO) . . . . . . . . . . . . . . . . . .19
4.14 GPIO Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
4.15 Microcontroller Peripherals . . . . . . . . . . . . . . . . . . . . . . . . .21
4.16 Typical Performance Curves . . . . . . . . . . . . . . . . . . . . . . . . .21
4.16.1 Antenna Typical Characteristics . . . . . . . . . . . . . . . . . . . . . .22
5. Reference Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Network Co-Processor (NCP) Application with UART Host . . . . . . . . . . . . . . .24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
6. Pin Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.1 44-Pin SiP Module Device Pinout. . . . . . . . . . . . . . . . . . . . . . . .26
6.2 Alternate Function Table. . . . . . . . . . . . . . . . . . . . . . . . . . .28
6.3 Analog Peripheral Connectivity
. . . . . . . . . . . . . . . . . . . . . . . .28
6.4 Digital Peripheral Connectivity . . . . . . . . . . . . . . . . . . . . . . . . .29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
silabs.com
| Building a more connected world.
Rev. 1.1 | 4