ATSAMD21E15B-AU vs ATSAMD21E17A-AU Comparison
Detailed side-by-side comparison of ATSAMD21E15B-AU by Microchip Technology and ATSAMD21E17A-AU 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-AU - 32KB Flash ARM Cortex-M0+ MCU | Microchip
ATSAMD21E15B-AU β ActiveMicrochip Technology
ATSAMD21E17A-AU - ARM Cortex-M0+ 48MHz 128KB MCU 32-TQFP | Microchip
ATSAMD21E17A-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21E15B-AU | ATSAMD21E17A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.45 | $2.30 |
| Core | ARM Cortex-M0+ (32-bit) | β |
| Maximum Clock Frequency | 48 MHz | β |
| Flash Memory | 32 KB | β |
| SRAM | 4 KB | 16 KB |
| Supply Voltage | 1.62 V to 3.6 V (3.3 V nominal) | β |
| Operating Temperature | -40 Β°C to +85 Β°C (industrial) | β |
| Package | 32-pin TQFP | 32-pin TQFP (7x7 mm), 0.8 mm pitch |
| GPIO Count | Up to 26 | β |
| ADC | 12-bit, 20 channels | 12-bit, up to 350 ksps, up to 20 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| SERCOM | 6 configurable (UART/SPI/IΒ²C) | β |
| Timers/Counters | TC x6, TCC x2 | β |
| Analog Comparators | 2 | β |
| RTC | Yes (32.768 kHz) | β |
| Programming Interface | Serial Wire Debug (SWD) | β |
| RoHS Status | Compliant | Compliant |
| Core Architecture | β | ARM Cortex-M0+ (SAM D21E family) |
| CPU Bit Width | β | 32-bit |
| Maximum CPU Frequency | β | 48 MHz |
| CoreMark/MHz | β | 2.46 |
| Program Flash Memory | β | 128 KB (128K x 8) |
| RWW (Read-While-Write) Flash Section | β | 4 KB |
| Operating Voltage Range (VDDIN) | β | 1.62 V to 3.63 V |
| USB Interface | β | USB 2.0 Full-Speed (12 Mbps) with on-chip transceiver |
| SERCOM Channels | β | 6 (configurable as UART/SPI/I2C) |
| Timer/Counters | β | Three 16-bit TC, one 32-bit TCC, one 24-bit RTC |
| DMA Controller | β | 12 channels |
| Operating Temperature Range | β | -40 C to +85 C (industrial) |
| Mounting Type | β | Surface Mount |
| MSL Level | β | 3 (per JEDEC J-STD-020) |
| Functional Safety (FuSa) | β | SAM D21E family supports FuSa variants |