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| Part Number | EFM32HG309F32N-B-QFN24 | EFM32HG309F32N-C-QFN24 | EFM32HG309F32N-B-QFN24R | EFM32HG308F32N-B-QFN24 | EFM32HG309F32G-B-QFN24 |
|---|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Status | Discontinued at Digi-Key | Active | Discontinued at Digi-Key | Discontinued at Digi-Key | Discontinued at Digi-Key |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 25MHz | 25MHz | 25MHz | 25MHz | 25MHz |
| Connectivity | I²C, IrDA, SmartCard, SPI, UART/USART, USB | I²C, IrDA, SmartCard, SPI, UART/USART, USB | I²C, IrDA, SmartCard, SPI, UART/USART, USB | I²C, IrDA, SmartCard, SPI, UART/USART, USB | I²C, IrDA, SmartCard, SPI, UART/USART, USB |
| 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 | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Number of I/O | 15 | 15 | 15 | 15 | 15 |
| Program Memory Size | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) | 32KB (32K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - |
| RAM Size | 8K x 8 | 8K x 8 | 8K x 8 | 8K x 8 | 8K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.98V ~ 3.8V | 1.98V ~ 3.8V | 1.98V ~ 3.8V | 1.98V ~ 3.8V | 1.98V ~ 3.8V |
| Data Converters | A/D 4x12b | A/D 4x12b | A/D 4x12b | A/D 4x12b | A/D 4x12b |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-VQFN Exposed Pad | 24-VQFN Exposed Pad | 24-VQFN Exposed Pad | 24-VQFN Exposed Pad | 24-VQFN Exposed Pad |
| Supplier Device Package | 24-QFN (5x5) | 24-QFN (5x5) | 24-QFN (5x5) | 24-QFN (5x5) | 24-QFN (5x5) |
