ATSAMD21E15B-AFT vs ATSAMD21E16B-MU Comparison
Detailed side-by-side comparison of ATSAMD21E15B-AFT by Microchip Technology and ATSAMD21E16B-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
ATSAMD21E15B-AFT - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21E15B-AFT ✓ ActiveMicrochip Technology
ATSAMD21E16B-MU - ARM Cortex-M0+ MCU, 48MHz, 64KB Flash | Microchip
ATSAMD21E16B-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E15B-AFT | ATSAMD21E16B-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M0+ | — |
| Core Bit Width | 32-bit | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory (Flash) | 32 KB (32K x 8) | 64 KB (in-system self-programmable) |
| Data Memory (SRAM) | 4 KB | — |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| I/O Pins | 26 (max) | — |
| Package | 32-pin TQFP (7x7 mm) | 32-pin VQFN (5x5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 14 channels | 12-bit, up to 350 ksps, 10 channels |
| DAC | 10-bit, 1 channel | 10-bit, 350 ksps, 1 channel |
| Timer/Counters | TC: 3 x 16-bit, TCC: 2 x 16-bit | — |
| Communication Interfaces | 6 x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device, I2S | — |
| Functional Safety | IEC 60730 Class B (FuSa variant) | — |
| Operating Temperature Range | -40 C to +125 C | — |
| RoHS Status | Compliant | Compliant (Green) |
| MSL Level | MSL3 (per JEDEC J-STD-020) | 3 (per JEDEC J-STD-020) |
| Core | — | ARM Cortex-M0+ (32-bit, single-core) |
| Maximum CPU Clock | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| SRAM | — | 8 KB |
| Operating Voltage (VDD) | — | 1.62 V to 3.63 V |
| I/O Voltage (VDDIO) | — | 1.62 V to VDD (separate I/O rail) |
| Operating Temperature | — | -40 C to +85 C (industrial) |
| USB | — | USB 2.0 Full-Speed Device/Host |
| SERCOM Modules | — | 6 (each configurable as I2C / SPI / USART) |
| DMA Channels | — | 14 |
| Timers/Counters | — | 4 x 16-bit TC, plus 32-bit RTC |
| External Interrupts (EIC) | — | 16 + 1 NMI |
| Debug Interface | — | Serial Wire Debug (SWD), 2-pin |
| Micro Trace Buffer | — | Yes |
| Peripheral Touch Controller (PTC) | — | Capacitive touch: buttons, slider, wheel |