| Part Number | ATSAMD20J15A-MUT | ATSAMD20J16A-MUT | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| 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, SPI, UART/USART | I²C, SPI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, POR, WDT | 
| Number of I/O | 52 | 52 | 
| Program Memory Size | 32KB (32K x 8) | 64KB (64K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 4K x 8 | 8K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 
| Data Converters | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 
| Supplier Device Package | 64-QFN (9x9) | 64-QFN (9x9) |