ATSAMD21G15B-AU vs ATSAMDA1G15B-ABT Comparison
Detailed side-by-side comparison of ATSAMD21G15B-AU by Microchip Technology and ATSAMDA1G15B-ABT 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-AU - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21G15B-AU ✓ ActiveMicrochip Technology
ATSAMDA1G15B-ABT - 48MHz Cortex-M0+ MCU 32KB Flash 48-TQFP | Microchip
ATSAMDA1G15B-ABT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G15B-AU | ATSAMDA1G15B-ABT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.65 | $2.85 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 32 KB (32K x 8) | — |
| SRAM | 4 KB | 4 KB |
| Package | 48-pin TQFP (7x7 mm) | 48-pin TQFP (7x7x1.0 mm) |
| Operating Temperature | -40C to +85C (Industrial) | — |
| Supply Voltage (VDDIN) | 1.62 V to 3.63 V | — |
| GPIO | Up to 38 (5 V tolerant inputs) | — |
| ADC | 12-bit, up to 350 ksps, 14 channels | 12-bit, up to 12 channels, up to 350 ksps |
| DAC | 10-bit, 350 ksps, 1 channel | 10-bit, 1 channel |
| USB | USB 2.0 Full-Speed Device, integrated transceiver | — |
| SERCOM | 6 (configurable UART/SPI/I2C/I2S) | — |
| Timer/Counters | 6 x 16-bit TC, 1 x 24-bit TCC | — |
| DMA Channels | 12 | 2 (peripheral-to-memory, memory-to-memory) |
| Event System Channels | 12 | — |
| RTC | Yes, 32 kHz domain | — |
| Analog Comparators | 2 | 2 |
| Oscillator | Internal 8 MHz + DFLL48M + FDPLL96M | — |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | — |
| RoHS Status | Compliant (Green) | Compliant |
| Core Architecture | — | ARM 32-bit |
| Maximum Clock Frequency | — | 48 MHz |
| DMIPS | — | 45 |
| Program Memory (Flash) | — | 32 KB |
| RWW Flash | — | 1 KB |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Operating Temperature Range | — | -40C to +85C (Industrial) |
| SERCOM Modules | — | 6 (configurable as USART/SPI/I2C) |
| GPIO Count | — | Up to 38 |
| Timers/Counters | — | TC x3, TCC x1, RTC x1, WDT x1 |
| Mounting Type | — | Surface Mount |
| MSL Level | — | 3 (168 hours) |