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| Part Number | EFM32JG1B100F256GM32-B0 | EFM32JG1B100F256GM32-C0 | EFM32JG1B200F256GM32-B0 | EFM32JG1B100F256GM32-B0R | 
|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | 
| Product Status | Discontinued at Digi-Key | Active | Discontinued at Digi-Key | Discontinued at Digi-Key | 
| Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 | 
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 
| Speed | 40MHz | 40MHz | 40MHz | 40MHz | 
| Connectivity | I²C, IrDA, LINbus, SmartCard, SPI, UART/USART | I²C, IrDA, LINbus, SmartCard, SPI, UART/USART | I²C, IrDA, LINbus, SmartCard, SPI, UART/USART | I²C, IrDA, LINbus, 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 | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | 
| Number of I/O | 20 | 20 | 20 | 20 | 
| Program Memory Size | 256KB (256K x 8) | 256KB (256K x 8) | 256KB (256K x 8) | 256KB (256K x 8) | 
| Program Memory Type | Flash | Flash | Flash | Flash | 
| EEPROM Size | - | - | - | - | 
| RAM Size | 32K x 8 | 32K x 8 | 32K x 8 | 32K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 1.85V ~ 3.8V | 1.85V ~ 3.8V | 1.85V ~ 3.8V | 1.85V ~ 3.8V | 
| Data Converters | A/D 24x12b | A/D 24x12b | A/D 20x12b | A/D 24x12b | 
| Oscillator Type | Internal | Internal | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 
| Supplier Device Package | 32-QFN (5x5) | 32-QFN (5x5) | 32-QFN (5x5) | 32-QFN (5x5) |