| Parameters | 
                                                                                                            
                                            | Mfr | Microchip Technology | 
                                                                            
                                            | Series | SAM D21E, Functional Safety (FuSa) | 
                                                                            
                                            | Package | Tape & Reel (TR) | 
                                                                            
                                            | Product Status | Active | 
                                                                            
                                            | Core Processor | ARM® Cortex®-M0+ | 
                                                                            
                                            | Core Size | 32-Bit Single-Core | 
                                                                            
                                            | Speed | 48MHz | 
                                                                            
                                            | Connectivity | I²C, LINbus, SPI, UART/USART, USB | 
                                                                            
                                            | Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | 
                                                                            
                                            | Number of I/O | 26 | 
                                                                            
                                            | Program Memory Size | 64KB (64K x 8) | 
                                                                            
                                            | Program Memory Type | FLASH | 
                                                                            
                                            | EEPROM Size | - | 
                                                                            
                                            | RAM Size | 8K x 8 | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V | 
                                                                            
                                            | Data Converters | A/D 10x12b; D/A 1x10b | 
                                                                            
                                            | Oscillator Type | Internal | 
                                                                            
                                            | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 35-XFBGA, WLCSP | 
                                                                            
                                            | Supplier Device Package | 35-WLCSP (2.82x2.53) | 
                                                                            
                                            | Base Product Number | ATSAMD21 | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | REACH Status | REACH Unaffected | 
                                                                            
                                            | ECCN | 3A991A2 | 
                                                                            
                                            | HTSUS | 8542.31.0001 | 
                                                                            
                                            | Standard Package | 5,000 | 
                                                                                                    
                            
                         
                                                ARM® Cortex®-M0+ SAM D21E, Functional Safety (FuSa) Microcontroller IC 32-Bit Single-Core 48MHz 64KB (64K x 8) FLASH 35-WLCSP (2.82x2.53)