EFR32MG13 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
System Overview
3. System Overview
3.1 Introduction
The EFR32 product family combines an energy-friendly MCU with a highly integrated radio transceiver. The devices are well suited for
any battery operated application as well as other systems requiring high performance and low energy consumption. This section gives a
short introduction to the full radio and MCU system. The detailed functional description can be found in the EFR32xG13 Reference
Manual.
A block diagram of the EFR32MG13 family is shown in Figure 3.1 Detailed EFR32MG13 Block Diagram on page 8. 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 Transceiver
Port I/O Configuration
Digital Peripherals
IOVDD
Sub-GHz RF
SUBGRF_IP
SUBGRF_IN
SUBGRF_OP
SUBGRF_ON
I
DEMOD
IFADC
AGC
LNA
LETIMER
PA
Port A
Drivers
PGA
Q
PAn
TIMER
CRYOTIMER
PCNT
RFSENSE
BALUN
2.4 GHz RF
I
Frequency
LNA
Synthesizer
Port B
Drivers
PBn
PCn
PDn
PFn
2G4RF_IOP
2G4RF_ION
To RF
MOD
PA
Frontend
Circuits
RTC / RTCC
USART
Q
Port
Mapper
Port C
Drivers
LEUART
I2C
Reset
Management
Unit
ARM Cortex-M4 Core
RESETn
Port D
Serial Wire
and ETM
Debug /
512 KB ISP Flash
Program Memory
CRYPTO
CRC
Drivers
Debug Signals
(shared w/GPIO)
Brown Out /
Power-On
Reset
A
H
B
A
P
B
64 KB RAM
Memory Protection Unit
Floating Point Unit
DMA Controller
Programming
Port F
Drivers
LESENSE
Energy Management
Analog Peripherals
PAVDD
RFVDD
IOVDD
AVDD
IDAC
Voltage
Monitor
-
+
Watchdog
Timer
VDAC
DVDD
bypass
Op-Amp
VDD
Internal
Reference
Clock Management
ULFRCO
VREGVDD
VREGSW
DC-DC
Converter
Voltage
Regulator
AUXHFRCO
PLFRCO
12-bit ADC
DECOUPLE
Temp
LFRCO
Sense
LFXTAL_P
LFXTAL_N
HFXTAL_P
HFXTAL_N
LFXO
Capacitive
Touch
HFRCO
+
-
HFXO
Analog Comparator
Figure 3.1. Detailed EFR32MG13 Block Diagram
3.2 Radio
The Mighty Gecko family features a highly configurable radio transceiver supporting a wide range of wireless protocols.
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