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| Part Number | EFM32ZG108F4-B-QFN24R | EFM32ZG108F8-B-QFN24R | EFM32ZG108F4-B-QFN24 | 
|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | 
| Product Status | Active | Active | Active | 
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | 
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 
| Speed | 24MHz | 24MHz | 24MHz | 
| Connectivity | I²C, IrDA, SmartCard, SPI, UART/USART | I²C, IrDA, SmartCard, SPI, UART/USART | I²C, IrDA, SmartCard, SPI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | 
| Number of I/O | 17 | 17 | 17 | 
| Program Memory Size | 4KB (4K x 8) | 8KB (8K x 8) | 4KB (4K x 8) | 
| Program Memory Type | Flash | Flash | Flash | 
| EEPROM Size | - | - | - | 
| RAM Size | 2K x 8 | 2K x 8 | 2K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 1.98V ~ 3.8V | 1.98V ~ 3.8V | 1.98V ~ 3.8V | 
| Data Converters | - | - | - | 
| Oscillator Type | Internal | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 24-VQFN Exposed Pad | 24-VQFN Exposed Pad | 24-VQFN Exposed Pad | 
| Supplier Device Package | 24-QFN (5x5) | 24-QFN (5x5) | 24-QFN (5x5) |