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Gecko MCUs
®
Energy-friendly microcontrollers for the IoT
PRODUCT SELECTOR GUIDE
Gecko MCUs
Complete portfolio of energyfriendly 32-bit microcontrollers
www.silabs.com/efm32 | Smart. Connected. Energy-Friendly.
Everything you need
to create a more
connected world.
Based on ARM® Cortex® -M0+, Cortex-M3
and Cortex-M4 cores, Gecko MCUs also
include the most energy-friendly peripherals
and energy modes to enable design of highly
functional low power systems.
“Our portfolio was designed to help you innovate. Gecko MCUs and
Wireless Geckos are built on the same architecture so you can
leverage a single set of software, tools, and experience and focus
on what really matters.”
Alessandro Piovaccari | Senior Vice President and Chief Technology Officer
Sense
Intelligent sensor solutions with superb reliability, compact size, high levels
of integration and unmatched ease of use for a variety of applications.
Temperature | Humidity | Optical | Touch | Proximity
Compute
The computing power you need with power efficiency you didn't know was possible.
Autonomous | Low Power | Signal Processing | Mixed Signal | Easy to Use
Communicate
Connectivity is at the heart of the IoT, and our wireless portfolio is how you achieve it.
Zigbee | Thread | WiFi | Bluetooth® Smart | Proprietary
Simplify
Get up and running quickly with precompiled demos, application notes and examples. Use advanced tools
including energy profiling and network analysis to optimize your MCU and wireless systems.
Simplicity Studio® | Energy ProfilerTM | Network Analyzer | Rich Software Ecosystem
Low Power.
No Compromise.
The Gecko is excellent at conserving energy.
Even in a full resting state it can still maintain
awareness of its environment.
Built using Gecko Technology
Gecko MCUs can perform a number
of tasks while in deep sleep
optimizing battery life for your application
Generic MCU
Small Form Factor
Gecko Technology
10 mA
10 mA
1 A
1 A
Sense
9
Interfacing with the World
■
Fast 2 μs wakeup
■
Broad set of communication peripherals
■
Autonomous communication and sense
■
Integrated ADCs, DACs, OPAMPs
■
Optimize sleep with the Energy Profiler
■
Ultra-low energy Sensor Interfaces
■
More sleep gives significant savings
■
Easy path to radio integration
Highly Functional Low Power
WLCSP packages for minimum footprint
■
Gecko Technology minimizes battery size
Human Interaction
Down to 63 μA/MHz code execution
■
TFT display engine, up to 320 x 240 pixels
■
DSP and floating point up to 48 MHz
■
Low energy segment LCD driver
■
Highly flexible DMA offloads CPU
■
Low energy capacitive touch solution
Cryptography for secure communication
Broad software and pin compatibility
■
Same architecture for MCUs and RF SoCs
■
Small Cortex M0+ to large Cortex M3 and M4
■
mbed, FreeRTOS, Segger partner
■
Solid RF and communication stacks
■
Security through accelerated mbedTLS
Development Flow
■
Centered around the developer
■
Intuitive workflow
■
Support for your favorite tool
PRODUCT LINE
BASE PART
NUMBER
FLASH (KB)
RAM (KB)
GPIO (PINS)
CRYPTOGRAPHY
USB
LCD (SEGMENTS)
Zero Gecko
EFM32ZG
QFN24, QFN32, QFP48
M0+
114
0.9
4-32
2-4
17-37
AES128
-
-
Happy Gecko
EFM32HG
QFN24, QFN32, QFP48, CSP36
M0+
132
0.9
32-64
4-8
15-37
AES128
D
-
Tiny Gecko
EFM32TG
QFN24, QFN32, QFN64, QFP48, QFP64, BGA48
M3
150
1
4-32
2-4
17-56
AES128 / 256
-
1-8 x 11-24
PACKAGES
ARM CORTEX ACTIVE CURRENT DEEP SLEEP
CPU
(μA/MHZ)
CURRENT (μA)
■
Enabling Software
■
■
High integration – few external components
■
Highly Scalable
Compute
Usable Sleep Modes
■
Gecko
EFM32G
QFN32, QFN64, QFP48, QFP64, QFP100, BGA112
M3
180
0.9
16-128
8-16
24-90
AES128 / 256
-
1-4 x 22-40
Leopard Gecko
EFM32LG
QFN64, QFP64, QFP100, BGA112, BGA120, CSP81
M3
211
0.95
64-256
32
50-93
AES128 / 256
D/H/O
1-8 x 16-36
Giant Gecko
EFM32GG
QFN64, QFP64, QFP100, BGA112, BGA120
M3
219
1.1
512-1024
128
50-93
AES128 / 256
D/H/O
1-8 x 16-36
Wonder Gecko
EFM32WG
QFN64, QFP64, QFP100, BGA112, BGA120, CSP81
M4
225
0.95
64-256
32
50-93
AES128 / 256
D/H/O
1-8 x 16-36
Jade Gecko
EFM32JG
QFN32, QFN48
M3
63
1.4
128-256
32
20-32
FULL
-
-
Pearl Gecko
EFM32PG
QFN32, QFN48
M4
63
1.4
128-256
32
20-32
FULL
-
-
To see our portfolio of wireless products visit www.silabs.com/wireless
Technical Overview
Gecko MCUs were designed for innovation. The diagram below shows an overview of the wide range
of functionality available in the these MCUs. The color coding represents the lowest energy mode the
functions are available down to. The ability for peripherals to operate during deep sleep and below
allows significant energy savings in low power applications.
CPU and Memory
ARM
Cortex-M3/M4
FPU MPU
Optimized
Instruction
Cache
Flash
Program
Memory
Debug
Interface
RAM
Memory
LDMA
Controller
Security
Energy Management
Clock Management
High Freq
Crystal Osc
High Freq
RC Osc
Voltage
Regulator
Voltage
Monitor
Auxiliary
RC Osc
Ultra Low Freq
RC Osc
DC-DC
Converter
Backup Power
Domain
Low Freq
Crystal Osc
Low Freq
RC Osc
Power-on
Reset
Brown-out
Detector
Feature available
down to Energy Mode
Crypto
AES, ECC,
SHA
EM0
CRC32
Run
RNG
EM1
Sleep
32-bit bus
EM2
Deep Sleep
Peripheral Reflex System
Serial Interfaces
EM3
Analog Modules
Timers and Triggers
I/O Ports
Stop
USART
UART
Ext. Bus
Interface
TFT Driver
Timer/
Counter
Low Energy
Timer
LE Segment
LCD Controller
ADC
Low Energy
UART
Low Energy
USB
External
Interrupt
Flexible
IO & Analog
Low Energy
Sensor IF
Pulse
Counter
Current
DAC
Analog
Comparator
GPIO Wakeup
GPIO
(5V Tol)
Watchdog
Timer
Calendar RTC
Voltage
DAC
Operational
Amplifiers
I 2C
Cryotimer
Pin Reset
Current consumption
Wake-up time
CPU (Cortex-M3/M0)
EM4H
Hibernate
EM4S
Capacitive
Sense
Shutoff
EM0
EM1
EM2
EM3
EM4H
63 – 225 μA/MHz
35 – 80 μA/MHz
0.9 – 1.4 μA
0.5 – 1.1 μA
0.15 – 0.6 μA
EM4S
20 nA
-
0
2 μs
2 μs
160 μs
160 μs
On
-
-
-
-
-
High frequency peripherals
Available
Available
-
-
-
-
Low frequency peripherals
Available
Available
Available
-
Calendar RTC
-
Asynchronous peripherals
Available
Available
Available
Available
-
-
Full CPU and SRAM retention
On
On
On
On
-
-
Wake-up events
Any
Any
32 kHz peripherals and all
EM3 wake-ups
Async IRQ, I2C slave,
Analog comparators
Voltage comparators
Reset, GPIO rising /
falling edge
Reset, GPIO rising/
falling edge
USART/SPI
(I2S)
UART
LEUART
I2C
TIMER (PWM)
LETIMER
RTC
PCNT
WATCHDOG
ADC (PINS)
DAC (PINS)
ACMP (PINS)
IDAC
OPAMP
EBI
TFT
LESENSE
1 (1)
-
1
1
2 (6)
-
1
1
1
1 (4)
-
1 (5)
1
-
-
-
-
2 (1)
-
1
1
3 (9)
-
1
1
1
1 (4)
-
1 (5)
1
-
-
-
-
2 (1)
-
1
1
2 (6)
1
1
1
1
1 (8)
2 (2)
2 (16)
-
3
-
-
Y
3
1
2
1
3 (9)
1
1
3
1
1 (8)
2 (2)
2 (16)
-
-
Y
-
-
3 (2)
2
2
2
4 (12)
1
1
3
1
1 (8)
2 (2)
2 (16)
-
3
Y
Y
Y
3 (2)
2
2
2
4 (12)
1
1
2
1
1 (8)
2 (2)
2 (16)
-
3
Y
Y
Y
3 (2)
2
2
2
4 (12)
1
1
3
1
1 (8)
2 (2)
2 (16)
-
3
Y
Y
Y
2 (1)
-
1
1
2 (7)
2
1
1
1
1 (24)
-
2 (24)
1 (24)
-
-
-
-
2 (1)
-
1
1
2 (7)
2
1
1
1
1 (24)
-
2 (24)
1 (24)
-
-
-
-
Pearl and Jade Gecko 32-bit Microcontrollers
Silicon Labs’ Pearl and Jade Gecko MCUs feature a powerful 32-bit ARM Cortex-M3 or M4 and a
wide selection of peripherals, including a unique cryptographic hardware engine supporting AES,
ECC, and SHA.
These features, combined with ultra-low current active mode and short wake-up time from energy-saving modes, make the Pearl
and Jade Gecko MCUs well suited for any battery-powered application, as well as other systems requiring high performance and
low-energy consumption.
NEW
Minimize Energy Consumption
Secure your IoT device
Next Generation IoT Features
Integrated high efficiency DC-DC
■
Advanced built-in cryptography
■
USART with flexible timing engine
■
200 mA for both MCU and application
■
ECC / AES / RSA / SHA / CRC
■
Powerful and flexible linked-list DMA
■
Code execution at 63 μA/MHz
■
Random Number Generator (RNG)
■
Ultra-low power CRYOTIMER
■
Sample sensors with ADC from deep sleep
■
Unique Device Identifier
■
5V tolerant IO
■
Efficient Integrated DC-DC Regulator
Pearl and Jade MCUs include a highly efficient integrated DC-DC buck regulator, capable of
supplying up to 200 mA to the MCU and surrounding IoT application. The regulator maintains its
efficiency even when the system is in deep sleep.
The figure below illustrates one possible DC-DC configuration, driving both MCU and system components, in order to maximize
energy efficiency.
1.85V-3.8V
Typical DCDC Configurations
1.62V-3.8V
RF
CPU
Peripherals
Sensors
Integrated
DCDC
Human
Interfaces
■
Drive full system—maximum energy efficiency
■
Drive MCU—IO and system at higher voltage
■
Disabled—optimize BOM
Supply Ranges
■
Efficient buck operation down to 2.4 V
■
Seamless bypass from 2.4 V to 1.85 V
■
MCU internals and IO range 1.62 V to 3.8 V
Flexibility
■
Work with 1.8 V or 3.3 V system components
■
Optimize for BOM or maximum efficiency
■
Superior ease of use
IoT
Sensor nodes / Wireless modules
Industrial
Factory automation gateways
Health and Fitness
Medical / Wearables
Home Automation
Gateways / Sensor nodes
Security
Smart door locks / Home security systems
Point of Sale
Mobile POS / Smart credit cards
Simplicity Studio
Simplicity Studio provides one-click access to design tools, documentation, software and support
and resources for Gecko MCUs, EFM8 TM, 8051, Wireless Gecko MCUs and SoCs. Simplicity Studio
3.2 now features an enhanced real-time Energy Profiler, 3x faster execution speed and an easier,
faster installation process.
Energy Profiler
■
Real-time analysis of energy consumption
■
Correlate current consumption to code
Part Configurator
■
Graphical configuration of peripherals and IO
■
Automatic validation and code generation
IDE
■
Eclipse framework
■
Build tools: Keil® ,IAR®, GCC
■
3rd party IDEs also supported
Documentation
■
One-stop destination for all product
documentation
Network Analyzer
■
Advanced network debug for wireless products
Getting Started is Easy
1
2
3
Buy a Starter Kit
Download Simplicity Studio
Connect with our Community
The easiest way to begin development
Get up and running quickly with precompiled
demos, application notes and examples.
Explore, learn and share.
www.silabs.com/efm32
www.silabs.com/simplicity
community.silabs.com
To buy or sample online, or find your nearest distributor, see details at www.silabs.com/efm32
©2015, SILICON LABORATORIES INC. EFM32, SIMPLICITY STUDIO, SILICON LABS AND THE SILICON LABS LOGO ARE TRADEMARKS OR REGISTERED TRADEMARKS OF SILICON LABORATORIES INC. ALL OTHER PRODUCT
OR SERVICE NAMES ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS. FOR THE MOST UP TO DATE INFORMATION PLEASE SEE YOUR SALES REPRESENTATIVE OR VISIT OUR WEBSITE AT WWW.SILABS.COM. WEB.
JUNE 2015, REV B SEL-EFM32.
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