Zero Gecko Tiny Gecko Gecko Leopard Gecko Giant Gecko Wonder Gecko
EM4 Shutoff Mode 20 nA 20 nA 20 nA 20 nA 20 nA 20 nA
EM3 Stop Mode 0.5 uA 0.6 uA 0.6 uA 0.65 uA 0.8 uA 0.65 uA
EM2 Deep Sleep Mode 0.9 uA 1.0 uA 0.9 uA 0.95 uA 1.1 uA 0.95 uA
EM1 Sleep Mode 48 uA/MHz 51 uA/MHz 45 uA/MHz 63 uA/MHz 80 uA/MHz 63 uA/MHz
EM0 Run Mode 114 uA/MHz 150 uA/MHz 180 uA/MHz 211 uA/MHz 219 uA/MHz 225 uA/MHz
Core ARM Cortex-M0+ ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M4
Flash (kB) 4 - 32 4 - 32 16 - 128 64 - 256 512 - 1024 64 - 256
AES      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
FPU Yes
Available Packages QFN24
QFN32
QFP48
QFN24
QFN32
QFP48
BGA48
QFN64
QFP64
QFN32
QFP48
QFN64
QFP64
QFP100
BGA112
QFN64
QFP64
QFP100
BGA112
BGA120
WLCSP81
QFN64
QFP64
QFP100
BGA112
BGA120
QFN64
QFP64,
QFP100
BGA112
BGA120
WLCSP81
Development Kit EFM32ZG-STK3200 EFM32TG-STK3300 EFM32-G8XX-STK EFM32LG-STK3600 EFM32GG-STK3700 EFM32WG-STK3800
Buy or Sample Zero Gecko Tiny Gecko Gecko Leopard Gecko Giant Gecko Wonder Gecko



Sleepy Bee Universal Bee Busy Bee
Shutdown 50 nA (sleep w/o RTC) 200 nA 200 nA
Sleep 0.6 uA *w/ RTC N/A N/A
Snooze N/A 26 uA N/A
Suspend 77 uA 120 uA N/A
Idle Mode 73 uA/MHz 125 uA/MHz 84 uA/MHz
Normal Mode 147 uA/MHz 182 uA/MHz 182 uA/MHz
Flash Range (kB) 2 - 8 8 - 64 2 - 8
UART 1 2 1
SPI 2 1 1
I2C/SMBus 1 2 1
ADC 1 1 1
Timer 4 (plus RTC) 6 4
USB Yes
Available Packages QFN20
QFN24
QFN32
QFP32
QSOP24
QFN20
QFN24
QFN32
QFP48
QSOP24
SOIC16
QFN20
QSOP24
Development Kit View Kits View Kits View Kits
Buy or Sample Sleepy Bee Universal Bee Busy Bee

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