Happy Gecko NEW Zero Gecko Tiny Gecko Gecko Jade Gecko Leopard Gecko Giant Gecko Pearl Gecko Wonder Gecko
EM4 Shutoff Mode 20 nA 20 nA 20 nA 20 nA 20 nA 20 nA 20 nA 20 nA 20 nA
EM3 Stop Mode 0.6 uA 0.5 uA 0.6 uA 0.6 uA 2.1 uA 0.65 uA 0.8 uA 2.1 uA 0.65 uA
EM2 Deep Sleep Mode 0.9 uA 0.9 uA 1.0 uA 0.9 uA 2.5 uA 0.95 uA 1.1 uA 2.5 uA 0.95 uA
EM1 Sleep Mode 55 uA/MHz 48 uA/MHz 51 uA/MHz 45 uA/MHz 32 uA/MHz 63 uA/MHz 80 uA/MHz 32 uA/MHz 63 uA/MHz
EM0 Run Mode 132 uA/MHz 114 uA/MHz 150 uA/MHz 180 uA/MHz 62 uA/MHz 211 uA/MHz 219 uA/MHz 62 uA/MHz 225 uA/MHz
Core ARM Cortex-M0+ ARM Cortex-M0+ ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M4 ARM Cortex-M4
Flash (kB) 32 - 64 4 - 32 4 - 32 16 - 128 128 - 256 64 - 256 512 - 1024 128 - 256 64 - 256
AES Yes Yes Yes Yes Yes Yes Yes Yes Yes
LCD Yes Yes Yes Yes Yes
EBI Yes Yes Yes Yes
TFT Yes Yes Yes Yes
USB Yes Yes Yes Yes
FPU Yes Yes
Available Packages 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
QFN32
QFN48
QFN64
QFP64,
QFP100
BGA112
BGA120
WLCSP81
Development Kit SLSTK3400A EFM32ZG-STK3200 EFM32TG-STK3300 EFM32-G8XX-STK SLSTK3401A EFM32LG-STK3600 EFM32GG-STK3700 SLSTK3401A EFM32WG-STK3800
Buy or Sample Happy Gecko Zero Gecko Tiny Gecko Gecko Jade Gecko Leopard Gecko Giant Gecko Pearl Gecko Wonder Gecko
 

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.

 

 

Additional Resources

 

 

 

Using Sensors in Deep Sleep Mode

Learn how you can reduce power consumption by using the low energy sensor interface in your application to perform capacitive, inductive and resistive measurements in deep sleep mode.

 

Efficient Communication between Peripherals

Learn how to ensure fast and predictable timing of communication between peripherals while saving energy with the Peripheral Reflex System (PRF).

View all MCU training videos