ATSAMD21G15B-MUT vs ATSAMD20G15A-MU Comparison
Detailed side-by-side comparison of ATSAMD21G15B-MUT by Microchip Technology and ATSAMD20G15A-MU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD21G15B-MUT - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21G15B-MUT ✓ ActiveMicrochip Technology
ATSAMD20G15A-MU - 48MHz Cortex-M0+ 32KB MCU | Microchip | SAM D20
ATSAMD20G15A-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G15B-MUT | ATSAMD20G15A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Series | SAM D21G | — |
| Core Processor | ARM Cortex-M0+ | — |
| Core Size | 32-bit | — |
| Maximum CPU Frequency | 48 MHz | — |
| CoreMark/MHz | 2.46 | 2.14 |
| Program Memory Size | 32 KB Flash | — |
| RAM Size | 4 KB SRAM | — |
| Package | 48-QFN (7x7 mm) | 48-pin QFN (7x7 mm) with exposed pad |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Operating Temperature Range | -40 C to +85 C | — |
| Number of I/O | 38 | — |
| DMAC Channels | 12 | — |
| Event System Channels | 12 | — |
| Connectivity | I2C, SPI, UART, USB 2.0 Full-Speed | — |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | Serial Wire Debug (SWD) |
| Functional Safety | FuSa (IEC 60730 / UL 1998 Class B) | — |
| RoHS Status | Compliant | — |
| Mounting Type | Surface Mount | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | — | 48 MHz |
| Flash Memory | — | 32 KB |
| SRAM | — | 4 KB |
| Supply Voltage | — | 1.62 V to 3.63 V |
| Operating Temperature | — | -40 C to +85 C |
| GPIO | — | 38 programmable I/O pins |
| SERCOM | — | 6 (configurable as I2C/SPI/UART) |
| ADC | — | 12-bit, up to 10 channels |
| DAC | — | 10-bit, 1 channel |
| Timers/Counters | — | Six 16-bit |
| USB | — | USB 2.0 Full-Speed Device |
| MSL Level | — | 3 (168 hours) |