| PartNumber | EFM32ZG222F16-QFP48 | EFM32ZG222F32-QFP48 | EFM32ZG222F16-QFP48T |
| Description | ARM Microcontrollers - MCU ARM Cortex-M0+ 24 MHz 16 kB ADC AES MCU | ARM Microcontrollers - MCU ARM Cortex-M0+ 24 MHz 32 kB ADC AES MCU | ARM Microcontrollers - MCU 16k Flash, 4k RAM, ADC, AES |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Series | EFM32ZG | EFM32ZG | EFM32ZG |
| Core | ARM Cortex M0 | ARM Cortex M0 | ARM Cortex M0+ |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Program Memory Size | 16 kB | 32 kB | 16 kB |
| Data RAM Size | 4 kB | 4 kB | 4 kB |
| Operating Supply Voltage | 3 V | 3 V | 3 V |
| Packaging | Reel | Reel | Tray |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | RAM | RAM | RAM |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | I2C, I2S, SPI, UART |
| I/O Voltage | 3 V | 3 V | 3 V |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 2 Timer | 2 Timer | 2 x 16 bit |
| Processor Series | EFM32 | EFM32 | EFM32ZG |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1000 | 1000 | 250 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.8 V | 3.8 V | 3.8 V |
| Supply Voltage Min | 1.98 V | 1.98 V | 1.98 V |
| Tradename | EFM32 | EFM32 | EFM32 |
| Part # Aliases | EFM32ZG222F16 | - | - |
| Package / Case | - | - | TQFP-48 |
| Maximum Clock Frequency | - | - | 24 MHz |
| ADC Resolution | - | - | 12 bit |
| Number of I/Os | - | - | 37 I/O |
| Minimum Operating Temperature | - | - | - 40 C |
| Maximum Operating Temperature | - | - | + 85 C |
| Product | - | - | MCU |
| Analog Supply Voltage | - | - | 3.8 V |
| Number of ADC Channels | - | - | 4 Channel |
| Watchdog Timers | - | - | Watchdog Timer |