| Part Number | ATSAML21E18B-MUT | ATSAML21G18B-MUT |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Active | Active |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 48MHz | 48MHz |
| Connectivity | I²C, LINbus, SCI, SPI, UART/USART, USB | I²C, LINbus, SCI, SPI, UART/USART, USB |
| Peripherals | DMA, POR, PWM, WDT | DMA, POR, PWM, WDT |
| Number of I/O | 25 | 37 |
| Program Memory Size | 256KB (256K x 8) | 256KB (256K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | - | - |
| RAM Size | 32K x 8 | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.63V | 1.62V ~ 3.63V |
| Data Converters | A/D 10x12b; D/A 2x12b | A/D 14x12b; D/A 2x12b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad | 48-VFQFN Exposed Pad |
| Supplier Device Package | 32-VQFN (5x5) | 48-QFN (7x7) |