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| PartNumber | EFM32G230F128-QFN64T | EFM32G230F128 | EFM32G230F128-QFN64 |
| Description | ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES | Microcontrollers - MCU ARM Microcontrollers - MCU 128KB FLASH 16KB RAM 32MHZ 1.8-3.8V | |
| Manufacturer | Silicon Laboratories | - | Silicon Labs |
| Product Category | ARM Microcontrollers - MCU | - | Embedded - Microcontrollers |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | QFN-64 | - | - |
| Series | EFM32G | - | Gecko |
| Core | ARM Cortex M3 | - | ARM Cortex M3 |
| Data Bus Width | 32 bit | - | 32 bit |
| Maximum Clock Frequency | 32 MHz | - | 32 MHz |
| Program Memory Size | 128 kB | - | 128KB (128K x 8) |
| Data RAM Size | 16 kB | - | 16 kB |
| ADC Resolution | 12 bit | - | - |
| Number of I/Os | 56 I/O | - | - |
| Operating Supply Voltage | 1.98 V to 3.8 V | - | 1.8 V to 3.8 V |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Packaging | Tray | - | Digi-ReelR Alternate Packaging |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | FLASH |
| Brand | Silicon Labs | - | - |
| Data RAM Type | SRAM | - | RAM |
| Interface Type | I2C, SPI, UART | - | I2C UART |
| Analog Supply Voltage | 1.98 V to 3.8 V | - | - |
| DAC Resolution | 12 bit | - | - |
| I/O Voltage | 3.3 V | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 3 x 16 bit | - | - |
| Processor Series | EFM32G230 | - | EFM32G230 |
| Product Type | ARM Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 260 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 3.8 V | - | - |
| Supply Voltage Min | 1.98 V | - | - |
| Tradename | EFM32 | - | EFM32 |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.007055 oz | - | 0.007277 oz |
| Package Case | - | - | QFN-64 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 64-QFN (9x9) |
| Number of I O | - | - | 56 |
| Speed | - | - | 32MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ARMR CortexR-M3 |
| RAM Size | - | - | 16K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | - | - | EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 1.85 V ~ 3.8 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 8x12b, D/A 2x12b |
| Oscillator Type | - | - | Internal |
| Part # Aliases | - | - | EFM32G230F128 |
| Number of I Os | - | - | 56 I/O |
| Number of Timers Counters | - | - | 3 Timer |