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Technical Specifications
Parameters and characteristics for this part
| Specification | EFM32WG940F256-QFN64 |
|---|---|
| Connectivity | I2C, SmartCard, UART/USART, IrDA, SPI, USB |
| Core Processor | ARM® Cortex®-M4F |
| Core Size | 32-Bit Single-Core, 32-Bit |
| Data Converters | A/D 8x12b, D/A 2x12b |
| Mounting Type | Surface Mount |
| Number of I/O | 52 |
| Operating Temperature [Max] | 85 C |
| Operating Temperature [Min] | -40 ¯C |
| Oscillator Type | Internal |
| Package / Case | 64-VFQFN Exposed Pad |
| Peripherals | WDT, I2S, DMA, PWM, POR, Brown-out Detect/Reset, LCD |
| Program Memory Size | 256 KB |
| Program Memory Type | FLASH |
| Speed | 48 MHz |
| Supplier Device Package | 64-QFN |
| Supplier Device Package [x] | 9 |
| Supplier Device Package [y] | 9 |
| Voltage - Supply (Vcc/Vdd) [Max] | 3.8 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 1.98 V |
| Part | Core Size | Number of I/O | Oscillator Type | Operating Temperature [Max] | Operating Temperature [Min] | Connectivity | Package / Case | Data Converters | Core Processor | Program Memory Type | Voltage - Supply (Vcc/Vdd) [Max] | Voltage - Supply (Vcc/Vdd) [Min] | Mounting Type | Peripherals | Supplier Device Package | Supplier Device Package [x] | Supplier Device Package [y] | Program Memory Size | Speed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 SILICON LABS | 32-Bit 32-Bit Single-Core | 52 | Internal | 85 C | -40 ¯C | I2C IrDA SmartCard SPI UART/USART USB | 64-VFQFN Exposed Pad | A/D 8x12b D/A 2x12b | ARM® Cortex®-M4F | FLASH | 3.8 V | 1.98 V | Surface Mount | Brown-out Detect/Reset DMA I2S LCD POR PWM WDT | 64-QFN | 9 | 9 | 128 KB | 48 MHz |
 SILICON LABS | 32-Bit 32-Bit Single-Core | 53 | Internal | 85 C | -40 ¯C | I2C IrDA SmartCard SPI UART/USART USB | 64-VFQFN Exposed Pad | A/D 8x12b SAR D/A 2x12b | ARM® Cortex®-M4F | FLASH | 3.8 V | 1.98 V | Surface Mount | Brown-out Detect/Reset DMA I2S LCD POR PWM WDT | 64-QFN | 9 | 9 | 128 KB | 48 MHz |
SILICON LABS | 32-Bit 32-Bit Single-Core | 52 | Internal | 85 C | -40 ¯C | I2C IrDA SmartCard SPI UART/USART USB | 64-VFQFN Exposed Pad | A/D 8x12b D/A 2x12b | ARM® Cortex®-M4F | FLASH | 3.8 V | 1.98 V | Surface Mount | Brown-out Detect/Reset DMA I2S LCD POR PWM WDT | 64-QFN | 9 | 9 | 256 KB | 48 MHz |
SILICON LABS | 32-Bit 32-Bit Single-Core | 52 | Internal | 85 C | -40 ¯C | I2C IrDA SmartCard SPI UART/USART USB | 64-VFQFN Exposed Pad | A/D 8x12b D/A 2x12b | ARM® Cortex®-M4F | FLASH | 3.8 V | 1.98 V | Surface Mount | Brown-out Detect/Reset DMA I2S LCD POR PWM WDT | 64-QFN | 9 | 9 | 64 KB | 48 MHz |
 SILICON LABS | 32-Bit 32-Bit Single-Core | 53 | Internal | 85 C | -40 ¯C | I2C IrDA SmartCard SPI UART/USART USB | 64-VFQFN Exposed Pad | A/D 8x12b SAR D/A 2x12b | ARM® Cortex®-M4F | FLASH | 3.8 V | 1.98 V | Surface Mount | Brown-out Detect/Reset DMA I2S LCD POR PWM WDT | 64-QFN | 9 | 9 | 256 KB | 48 MHz |
SILICON LABS | 32-Bit 32-Bit Single-Core | 52 | Internal | 85 C | -40 ¯C | I2C IrDA SmartCard SPI UART/USART USB | 64-VFQFN Exposed Pad | A/D 8x12b D/A 2x12b | ARM® Cortex®-M4F | FLASH | 3.8 V | 1.98 V | Surface Mount | Brown-out Detect/Reset DMA I2S LCD POR PWM WDT | 64-QFN | 9 | 9 | 256 KB | 48 MHz |
SILICON LABS | 32-Bit 32-Bit Single-Core | 53 | Internal | 85 C | -40 ¯C | I2C IrDA SmartCard SPI UART/USART USB | 64-VFQFN Exposed Pad | A/D 8x12b SAR D/A 2x12b | ARM® Cortex®-M4F | FLASH | 3.8 V | 1.98 V | Surface Mount | Brown-out Detect/Reset DMA I2S LCD POR PWM WDT | 64-QFN | 9 | 9 | 64 KB | 48 MHz |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | N/A | 0 | $ 0.00 | |
Description
General part information
EFM32WG940 Series
ARM® Cortex®-M4F Wonder Gecko Microcontroller IC 32-Bit Single-Core 48MHz 256KB (256K x 8) FLASH 64-QFN (9x9)
Documents
Technical documentation and resources