ATSAMDA1E16B-MBT vs ATSAMD21E16B-MU Comparison
Detailed side-by-side comparison of ATSAMDA1E16B-MBT 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
ATSAMDA1E16B-MBT - 48MHz ARM Cortex-M0+ 64KB Flash MCU | Microchip
ATSAMDA1E16B-MBT ✓ ActiveMicrochip Technology
ATSAMD21E16B-MU - ARM Cortex-M0+ MCU, 48MHz, 64KB Flash | Microchip
ATSAMD21E16B-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAMDA1E16B-MBT | ATSAMD21E16B-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.36 | $2.65 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Family | SAM DA1 (Functional Safety / FuSa) | — |
| Maximum CPU Frequency | 48 MHz (45 DMIPS) | — |
| Program Flash | 64 KB (64K x 8) | — |
| SRAM | 8 KB | 8 KB |
| RWW Flash | 2 KB | — |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| Package | 32-pin VQFN (5x5 mm) with exposed pad | 32-pin VQFN (5x5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| SERCOM Modules | 4 (configurable as USART / I2C / SPI) | 6 (each configurable as I2C / SPI / USART) |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 350 ksps, 10 channels |
| DAC | 10-bit, 1 channel | 10-bit, 350 ksps, 1 channel |
| Timers | 16-bit and 24-bit TCC/TC timers | — |
| Peripheral Touch Controller | Yes (PTC, supports capacitive touch) | — |
| I2S Audio Interface | Yes | — |
| GPIOs | [DATA_NEEDED: exact GPIO count for 32-VQFN variant] | — |
| RoHS Status | Compliant | Compliant (Green) |
| Core | — | ARM Cortex-M0+ (32-bit, single-core) |
| Maximum CPU Clock | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Program Memory (Flash) | — | 64 KB (in-system self-programmable) |
| Operating Voltage (VDD) | — | 1.62 V to 3.63 V |
| I/O Voltage (VDDIO) | — | 1.62 V to VDD (separate I/O rail) |
| USB | — | USB 2.0 Full-Speed Device/Host |
| 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 |
| MSL Level | — | 3 (per JEDEC J-STD-020) |