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| Part Number | ATSAMD21J16B-MU | ATSAMD21J16B-MUT | ATSAMD21G16B-MU | ATSAMD21J15B-MU | ATSAMD21J16A-MU | ATSAMD21J16B-AU | ATSAMD21J16B-MF |
|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Atmel | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active | Obsolete | Active | Active |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | 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 | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 48MHz | 48MHz | 48MHz | 48MHz | 48MHz | 48MHz | 48MHz |
| Connectivity | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, SPI, UART/USART, USB | I²C, LINbus, 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 | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Number of I/O | 52 | 52 | 38 | 52 | 52 | 52 | 52 |
| Program Memory Size | 64KB (64K x 8) | 64KB (64K x 8) | 64KB (64K x 8) | 32KB (32K x 8) | 64KB (64K x 8) | 64KB (64K x 8) | 64KB (64K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - | - | - |
| RAM Size | 8K x 8 | 8K x 8 | 8K x 8 | 4K x 8 | 8K x 8 | 8K x 8 | 8K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Data Converters | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 14x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b | A/D 20x12b; D/A 1x10b |
| Oscillator Type | Internal | Internal | Internal | 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) | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-TQFP | 64-VFQFN Exposed Pad |
| Supplier Device Package | 64-QFN (9x9) | 64-QFN (9x9) | 48-QFN (7x7) | 64-QFN (9x9) | 64-QFN (9x9) | 64-TQFP (10x10) | 64-QFN (9x9) |
