ATSAMD21E16B-MU vs ATSAMD21E15B-AFT Comparison
Detailed side-by-side comparison of ATSAMD21E16B-MU by Microchip Technology and ATSAMD21E15B-AFT 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
ATSAMD21E16B-MU - ARM Cortex-M0+ MCU, 48MHz, 64KB Flash | Microchip
ATSAMD21E16B-MU β ActiveMicrochip Technology
ATSAMD21E15B-AFT - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21E15B-AFT β ActiveSpecification Comparison
| Parameter | ATSAMD21E16B-MU | ATSAMD21E15B-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.65 | $1.96 |
| Core | ARM Cortex-M0+ (32-bit, single-core) | β |
| Maximum CPU Clock | 48 MHz | β |
| CoreMark/MHz | 2.46 | β |
| Program Memory (Flash) | 64 KB (in-system self-programmable) | 32 KB (32K x 8) |
| SRAM | 8 KB | β |
| Operating Voltage (VDD) | 1.62 V to 3.63 V | β |
| I/O Voltage (VDDIO) | 1.62 V to VDD (separate I/O rail) | β |
| Operating Temperature | -40 C to +85 C (industrial) | β |
| Package | 32-pin VQFN (5x5 mm) | 32-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USB | USB 2.0 Full-Speed Device/Host | β |
| ADC | 12-bit, up to 350 ksps, 10 channels | 12-bit, up to 14 channels |
| DAC | 10-bit, 350 ksps, 1 channel | 10-bit, 1 channel |
| SERCOM Modules | 6 (each configurable as I2C / SPI / USART) | β |
| DMA Channels | 14 | β |
| Timers/Counters | 4 x 16-bit TC, plus 32-bit RTC | β |
| External Interrupts (EIC) | 16 + 1 NMI | β |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | β |
| Micro Trace Buffer | Yes | β |
| Peripheral Touch Controller (PTC) | Capacitive touch: buttons, slider, wheel | β |
| RoHS Status | Compliant (Green) | Compliant |
| MSL Level | 3 (per JEDEC J-STD-020) | MSL3 (per JEDEC J-STD-020) |
| Core Architecture | β | ARM Cortex-M0+ |
| Core Bit Width | β | 32-bit |
| Maximum Clock Frequency | β | 48 MHz |
| Data Memory (SRAM) | β | 4 KB |
| Operating Voltage Range | β | 1.62 V to 3.63 V |
| I/O Pins | β | 26 (max) |
| Timer/Counters | β | TC: 3 x 16-bit, TCC: 2 x 16-bit |
| Communication Interfaces | β | 6 x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device, I2S |
| Functional Safety | β | IEC 60730 Class B (FuSa variant) |
| Operating Temperature Range | β | -40 C to +125 C |