Datasheet EFR32MG22 (Silicon Labs) - 7

link to page 7 link to page 3 link to page 3 EFR32MG22 Wireless Gecko SoC Family Data Sheet System Overview
3. System Overview 3.1 Introduction
The EFR32 product family combines an energy-friendly MCU with a high performance radio transceiver. The devices are well suited for secure connected IoT multi-protocol devices requiring high performance and low energy consumption. This section gives a short intro- duction to the full radio and MCU system. The detailed functional description can be found in the EFR32xG22 Reference Manual. A block diagram of the EFR32MG22 family is shown in Figure 3.1 Detailed EFR32MG22 Block Diagram on page 7. The diagram shows a superset of features available on the family, which vary by OPN. For more information about specific device features, consult Ordering Information.
Radio Subsystem Port I/O Configuration
IOVDD
RFSENSE DEMOD ARM CortexTM M0+ w/ OOK Detect Digital Peripherals Radio Controller RX/TX Frontend IFADC USART
RF2G4_IO
BUFC RAM Port A with Integrated PA
PAn
Drivers EUART AGC FRC Frequency I2C Synthesizer MOD CRC Port B
PBn
LETIMER Drivers TIMER DBUS Reset Management Unit, Core and Memory Port Port C
RESETn
RTCC Mappers
PCn
Brown Out and POR Drivers ARM Cortex-M33 Core with Floating Point Unit PDM
Debug Signals
Serial Wire and ETM Port D Debug / Programming Up to 512 KB ISP Flash TRNG
PDn (shared w/GPIO)
Drivers with Debug Challenge I/F Program Memory A A CRYPTOACC 32 KB RAM H P B B CRC Energy Management
PAVDD
Trust Zone
RFVDD
LDMA Controller
IOVDD
Analog Peripherals Voltage
AVDD
Monitor Watchdog Internal Temperature
DVDD
Timer Reference Sensor
bypass VREGVDD
DC-DC Voltage Clock Management VDD
VREGSW
Converter Regulator ULFRCO 12-bit ADC Multiplexers
DECOUPLE
FSRCO Input Mux ABUS LFRCO
LFXTAL_I
LFXO
LFXTAL_O
HFRCO
HFXTAL_I
HFXO
HFXTAL_O
Figure 3.1. Detailed EFR32MG22 Block Diagram 3.2 Radio
The EFR32MG22 Wireless Gecko features a highly configurable radio transceiver supporting Zigbee and Bluetooth Low Energy wire- less protocols.
3.2.1 Antenna Interface
The 2.4 GHz antenna interface consists of a single-ended pin (RF2G4_IO). The external components for the antenna interface in typi- cal applications are shown in the RF Matching Networks section.
silabs.com
| Building a more connected world. Preliminary Rev. 0.5 | 7 Document Outline 1. Feature List 2. Ordering Information 3. System Overview 3.1 Introduction 3.2 Radio 3.2.1 Antenna Interface 3.2.2 Fractional-N Frequency Synthesizer 3.2.3 Receiver Architecture 3.2.4 Transmitter Architecture 3.2.5 Packet and State Trace 3.2.6 Data Buffering 3.2.7 Radio Controller (RAC) 3.2.8 RFSENSE Interface 3.3 General Purpose Input/Output (GPIO) 3.4 Clocking 3.4.1 Clock Management Unit (CMU) 3.4.2 Internal and External Oscillators 3.5 Counters/Timers and PWM 3.5.1 Timer/Counter (TIMER) 3.5.2 Low Energy Timer (LETIMER) 3.5.3 Real Time Clock with Capture (RTCC) 3.5.4 Back-Up Real Time Counter 3.5.5 Watchdog Timer (WDOG) 3.6 Communications and Other Digital Peripherals 3.6.1 Universal Synchronous/Asynchronous Receiver/Transmitter (USART) 3.6.2 Enhanced Universal Asynchronous Receiver/Transmitter (EUART) 3.6.3 Inter-Integrated Circuit Interface (I2C) 3.6.4 Peripheral Reflex System (PRS) 3.6.5 Pulse Density Modulation (PDM) Interface 3.7 Security Features 3.7.1 Secure Boot with Root of Trust and Secure Loader (RTSL) 3.7.2 Cryptographic Accelerator 3.7.3 True Random Number Generator 3.7.4 Secure Debug with Lock/Unlock 3.8 Analog 3.8.1 Analog to Digital Converter (IADC) 3.9 Power 3.9.1 Energy Management Unit (EMU) 3.9.2 Voltage Scaling 3.9.3 DC-DC Converter 3.9.4 Power Domains 3.10 Reset Management Unit (RMU) 3.11 Core and Memory 3.11.1 Processor Core 3.11.2 Memory System Controller (MSC) 3.11.3 Linked Direct Memory Access Controller (LDMA) 3.12 Memory Map 3.13 Configuration Summary 4. Electrical Specifications 4.1 Electrical Characteristics 4.2 Absolute Maximum Ratings 4.3 General Operating Conditions 4.4 DC-DC Converter 4.4.1 DC-DC Operating Limits 4.5 Thermal Characteristics 4.6 Current Consumption 4.6.1 MCU current consumption using DC-DC at 3.0 V input 4.6.2 MCU current consumption at 3.0 V 4.6.3 MCU current consumption at 1.8 V 4.6.4 Radio current consumption at 3.0V using DCDC 4.7 Flash Characteristics 4.8 Wake Up, Entry, and Exit times 4.9 RFSENSE Low-energy Wake-on-RF 4.10 2.4 GHz RF Transceiver Characteristics 4.10.1 RF Transmitter Characteristics 4.10.1.1 RF Transmitter General Characteristics for the 2.4 GHz Band 4.10.1.2 RF Transmitter Characteristics for 802.15.4 DSSS-OQPSK in the 2.4 GHz Band 4.10.1.3 RF Transmitter Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 1 Mbps Data Rate 4.10.1.4 RF Transmitter Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 2 Mbps Data Rate 4.10.1.5 RF Transmitter Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 500 kbps Data Rate 4.10.1.6 RF Transmitter Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 125 kbps Data Rate 4.10.2 RF Receiver Characteristics 4.10.2.1 RF Receiver General Characteristics for the 2.4 GHz Band 4.10.2.2 RF Receiver Characteristics for 802.15.4 DSSS-OQPSK in the 2.4 GHz Band 4.10.2.3 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 1 Mbps Data Rate 4.10.2.4 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 2 Mbps Data Rate 4.10.2.5 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 500 kbps Data Rate 4.10.2.6 RF Receiver Characteristics for Bluetooth Low Energy in the 2.4 GHz Band 125 kbps Data Rate 4.11 Oscillators 4.11.1 High Frequency Crystal Oscillator 4.11.2 Low Frequency Crystal Oscillator 4.11.3 High Frequency RC Oscillator (HFRCO) 4.11.4 Fast Start_Up RC Oscillator (FSRCO) 4.11.5 Precision Low Frequency RC Oscillator (LFRCO) 4.11.6 Ultra Low Frequency RC Oscillator 4.12 GPIO Pins (3V GPIO pins) 4.13 Analog to Digital Converter (IADC) 4.14 Temperature Sense 4.15 Brown Out Detectors 4.15.1 DVDD BOD 4.15.2 LE DVDD BOD 4.15.3 AVDD and IOVDD BODs 4.16 PDM Timing Specifications 4.16.1 Pulse Density Modulator (PDM), Common DBUS 4.17 USART SPI Master Timing 4.17.1 SPI Master Timing, Voltage Scaling = VSCALE2 4.17.2 SPI Master Timing, Voltage Scaling = VSCALE1 4.18 USART SPI Slave Timing 4.18.1 SPI Slave Timing, Voltage Scaling = VSCALE2 4.18.2 SPI Slave Timing, Voltage Scaling = VSCALE1 4.19 I2C Electrical Specifications 4.19.1 I2C Standard-mode (Sm) 4.19.2 I2C Fast-mode (Fm) 4.19.3 I2C Fast-mode Plus (Fm+) 4.20 Typical Performance Curves 4.20.1 Supply Current 4.20.2 RF Characteristics 4.20.3 DC-DC Converter 5. Typical Connections 5.1 Power 5.2 RF Matching Networks 5.2.1 2.4 GHz Matching Network 5.3 Other Connections 6. Pin Definitions 6.1 QFN40 Device Pinout 6.2 TQFN32 Device Pinout 6.3 QFN32 Device Pinout 6.4 Alternate Function Table 6.5 Analog Peripheral Connectivity 6.6 Digital Peripheral Connectivity 7. QFN32 Package Specifications 7.1 QFN32 Package Dimensions 7.2 QFN32 PCB Land Pattern 7.3 QFN32 Package Marking 8. TQFN32 Package Specifications 8.1 TQFN32 Package Dimensions 8.2 TQFN32 PCB Land Pattern 8.3 TQFN32 Package Marking 9. QFN40 Package Specifications 9.1 QFN40 Package Dimensions 9.2 QFN40 PCB Land Pattern 9.3 QFN40 Package Marking 10. Revision History