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//
Applications // Microcontrollers (MCUs) for Battery Operated Embedded Devices

Microcontrollers (MCUs) for Battery Operated Embedded Devices

Design without compromise using low power EFM32™ ARM® Cortex®-M based 32-bit MCUs and EFM8™ 8051-based 8-bit MCUs. Integrate peripherals, include rich displays and perform complex computations while meeting the power budget of your system by using energy-friendly MCUs from Silicon Labs.

EFM32 32-bit MCUs for Battery Operated Embedded Devices

Silicon Labs' EFM32 32-bit microcontroller (MCU) family is the world's most energy-friendly microcontroller and is especially suited for use in low-power and energy-sensitive applications, including energy, water, and gas metering, building automation, alarm and security and portable medical/fitness equipment. Since battery replacement is often not possible for reasons of access and cost, such applications need to operate for as long as possible without external power or operator intervention.



Getting Started with EFM32™ Giant Gecko GG11 Series 1

SLSTK3701A GG11 Starter Kit

The easiest way to begin development with the EFM32™ Giant Gecko GG11 Series 1 low-cost microcontroller family is with the SLSTK3701A Starter Kit.

Add to Cart
More Development Tools
  • Giant Gecko G1 Starter Kit
  • Wi-Fi Expansion Kit
  • Giant Gecko Development Kit
  • Simplicity Studio Software Suite


  Giant Gecko GG11 Pearl Gecko PG12 Pearl Gecko PG1 Happy Gecko Zero Gecko Tiny Gecko Gecko Jade Gecko Leopard Gecko Giant Gecko Wonder Gecko
EM4 Shutoff Mode 100 nA 60 nA 40 nA 20 nA 20 nA 20 nA 20 nA 20 nA 20 nA 20 nA 20 nA
EM3 Stop Mode 2.2 uA
1.81 uA
2.1 uA
0.6 uA 0.5 uA 0.6 uA 0.6 uA 2.1 uA 0.65 uA 0.8 uA 0.65 uA
EM2 Deep Sleep Mode 1.6 uA 1.5 uA
2.2 uA
0.9 uA 0.9 uA 1.0 uA 0.9 uA 2.5 uA 0.95 uA 1.1 uA 0.95 uA
EM1 Sleep Mode 40 uA/MHz
33 uA/MHz
32 uA/MHz
55 uA/MHz 48 uA/MHz 51 uA/MHz 45 uA/MHz 32 uA/MHz 63 uA/MHz 80 uA/MHz 63 uA/MHz
EM0 Run Mode 77 uA/MHz
64 uA/MHz
63 uA/MHz
132 uA/MHz 114 uA/MHz 150 uA/MHz 180 uA/MHz 62 uA/MHz 211 uA/MHz 219 uA/MHz 225 uA/MHz
Core ARM Cortex-M4 ARM-Cortex-M4 ARM Cortex-M4 ARM Cortex-M0+ ARM Cortex-M0+ ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M4
Flash (kB) 2048 1024 128-256 32 - 64 4 - 32 4 - 32 16 - 128 128 - 256 64 - 256 512 - 1024 64 - 256
AES Yes Yes
Yes
Yes Yes Yes Yes Yes Yes Yes Yes
LCD Yes No No
No
No
Yes Yes No
Yes Yes Yes
EBI Yes
No
No
No
No
No
Yes No
Yes Yes Yes
TFT Yes
No
No
No
No
No
Yes No
Yes Yes Yes
USB Yes No
No
Yes No
No
No
No
Yes Yes Yes
FPU Yes Yes
Yes
No
No
No
No
Yes No No Yes
Available Packages QFN64
QFP64
QFP100
BGA112
BGA120
BGA152
BGA192
QFN48
BGA125
QFN32
QFN48
QFN24
QFN32
CSP36
QFP48
QFN24
QFN32
QFP48
QFN24
QFN32
QFP48
BGA48
QFN64
QFP64
QFN32
QFP48
QFN64
QFP64
QFP100
BGA112
QFN32
QFN48
QFN64
QFP64
QFP100
BGA112
BGA120
WLCSP81
QFN64
QFP64
QFP100
BGA112
BGA120
QFN64
QFP64,
QFP100
BGA112
BGA120
WLCSP81
Development Kit SLSTK3701A SLSTK3402A SLSTK3401A SLSTK3400A EFM32ZG-STK3200 EFM32TG-STK3300 EFM32-G8XX-STK SLSTK3401A EFM32LG-STK3600 EFM32GG-STK3700 EFM32WG-STK3800
Buy or Sample Giant Gecko GG11 Pearl Gecko PG12 Pearl Gecko PG1 Happy Gecko Zero Gecko Tiny Gecko Gecko Jade Gecko Leopard Gecko Giant Gecko Wonder Gecko



EFM8 8-bit MCUs for Battery Operated Embedded Devices

Silicon Labs designed the EFM8 8-bit microcontroller (MCU) family from the ground up to be the most power-efficient MCUs in the industry. The combination of the low active mode current consumption when the application is running and the industry’s lowest current consumption in sleep modes saves power in real world embedded system. This combination of features makes these devices ideal for many battery-powered applications.

  Sleepy Bee Universal Bee Busy Bee Laser Bee
Shutdown 50 nA (sleep w/o RTC) 200 nA 200 nA 200 nA
Sleep w/RTC 300 nA N/A N/A N/A
Snooze N/A 20 uA 20 uA 19 uA
Suspend 77 uA 120 uA 120 uA 120 uA
Idle Mode 67 uA/MHz 114 uA/MHz 84 uA/MHz 128 uA/MHz
Normal Mode 88 uA/MHz 175 uA/MHz 182 uA/MHz 171 uA/MHz
Flash Range (kB) 2 - 64  8 - 64  2 - 64  16 - 64 
UART 1 2 2 2
SPI 2 1 1 1
I²C/SMBus 1 2 2 2
ADC 1 1 1 1
Timer 4 (plus RTC) 6 6 6
USB   Yes    
Available Packages QFN20
QFN24
QFN32
QFP32
QSOP24
CSP16
QFN20
QFN24
QFN32
QFP48
QSOP24
SOIC16
QFN20
QSOP24
QFN32
QFN24
QFP32
QFN24
QFN32
QFP32
QSOP24
Development Kit View Kits View Kits View Kits View Kits
Buy or Sample Sleepy Bee Universal Bee Busy Bee Laser Bee

Manage the IoT on an Energy Budget

Learn how to maximize the energy efficiency of your IoT devices.

Read Now
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Also of Interest:
  • ARM® Cortex®-M3
  • EFM32™ Gecko 32-bit Microcontroller
  • EFM32™ 32-bit MCU Ultra Efficient Energy Modes

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