ATSAMD21G15B-AU vs ATSAMD21G15B-AF Comparison
Detailed side-by-side comparison of ATSAMD21G15B-AU by Microchip Technology and ATSAMD21G15B-AF 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
ATSAMD21G15B-AF - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21G15B-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G15B-AU | ATSAMD21G15B-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| Flash Memory | 32 KB (32K x 8) | — |
| SRAM | 4 KB | — |
| Package | 48-pin TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Operating Temperature | -40C to +85C (Industrial) | -40 °C to +125 °C |
| 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 350 kSPS, up to 14 channels |
| 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 | — |
| Event System Channels | 12 | — |
| RTC | Yes, 32 kHz domain | — |
| Analog Comparators | 2 | — |
| Oscillator | Internal 8 MHz + DFLL48M + FDPLL96M | — |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | — |
| RoHS Status | Compliant (Green) | Compliant |
| Family | — | SAM D21G (Atmel SMART) |
| Program Memory (Flash) | — | 32 KB (32K x 8) |
| Data Memory (SRAM) | — | 4 KB |
| Operating Voltage (VDDIN) | — | 1.62 V to 3.63 V |
| Number of I/O Pins | — | 38 |
| Communication Interfaces | — | 6x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device |
| Timers | — | Two 16-bit TC, one 24-bit TC, one RTC |
| PWM Channels | — | 10 (16-bit) |
| DMA | — | 12-channel DMAC |
| Mounting Type | — | Surface Mount |
| MSL Level | — | 3 (168 hours) |