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| Part Number | ATSAMC21J18A-UUT | ATSAMC20J18A-UUT | ATSAMC21J17A-UUT | ATSAMC21J18A-AUT | ATSAMC21J18A-MUT |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active | Active |
| 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 | 48MHz | 48MHz | 48MHz | 48MHz | 48MHz |
| Connectivity | CANbus, I²C, LINbus, SPI, UART/USART | I²C, LINbus, SPI, UART/USART | CANbus, I²C, LINbus, SPI, UART/USART | CANbus, I²C, LINbus, SPI, UART/USART | CANbus, I²C, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, WDT | Brown-out Detect/Reset, DMA, POR, WDT | Brown-out Detect/Reset, DMA, POR, WDT | Brown-out Detect/Reset, DMA, POR, WDT | Brown-out Detect/Reset, DMA, POR, WDT |
| Number of I/O | 44 | 44 | 44 | 52 | 52 |
| Program Memory Size | 256KB (256K x 8) | 256KB (256K x 8) | 128KB (128K x 8) | 256KB (256K x 8) | 256KB (256K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - |
| RAM Size | 32K x 8 | 16K x 8 | 32K x 8 | 32K x 8 | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Data Converters | A/D 20x12b Sigma-Delta; D/A 1x10b | A/D 12x12b; D/A 1x10b | A/D 20x12b Sigma-Delta; D/A 1x10b | A/D 20x12b, 3x16b; D/A 1x10b | A/D 20x12b, 3x16b; D/A 1x10b |
| Oscillator Type | 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 (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 56-XFBGA, WLCSP | 56-XFBGA, WLCSP | 56-XFBGA, WLCSP | 64-TQFP | 64-VFQFN Exposed Pad |
| Supplier Device Package | 56-WLCSP (3.17x3.44) | 56-WLCSP (3.17x3.44) | 56-WLCSP (3.17x3.44) | 64-TQFP (10x10) | 64-QFN (9x9) |
