ATSAMDA1G14B-MBT vs ATSAMD21E15B-AFT Comparison
Detailed side-by-side comparison of ATSAMDA1G14B-MBT 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
ATSAMDA1G14B-MBT - SAM DA1 Cortex-M0+ MCU, 48MHz, 16KB Flash | Microchip
ATSAMDA1G14B-MBT β ActiveMicrochip Technology
ATSAMD21E15B-AFT - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21E15B-AFT β ActiveSpecification Comparison
| Parameter | ATSAMDA1G14B-MBT | ATSAMD21E15B-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.78 | $1.96 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ |
| Family | SAM DA1 | β |
| Maximum CPU Frequency | 48 MHz (45 DMIPS) | β |
| Program Flash | 16 KB (16K x 8) | β |
| SRAM | 4 KB | β |
| RWW Flash | 512 Bytes (Read-While-Write) | β |
| Supply Voltage | 1.62 V to 3.63 V (operating range per SAM DA1 family) | β |
| Operating Temperature | -40 C to +85 C (industrial grade, MBT suffix) | β |
| Package | 48-pin QFN (7x7 mm) with exposed thermal pad | 32-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| SERCOM Modules | 6 (each configurable as USART, I2C, or SPI) | β |
| ADC | 12-bit SAR, up to 16 channels (family spec) | 12-bit, up to 14 channels |
| Timer/Counters | 3 x 16-bit TC, plus TCC for PWM (family spec) | TC: 3 x 16-bit, TCC: 2 x 16-bit |
| I/O Pins (approx.) | 38 GPIO | β |
| RoHS Status | Compliant | Compliant |
| Core Bit Width | β | 32-bit |
| Maximum Clock Frequency | β | 48 MHz |
| Program Memory (Flash) | β | 32 KB (32K x 8) |
| Data Memory (SRAM) | β | 4 KB |
| Operating Voltage Range | β | 1.62 V to 3.63 V |
| I/O Pins | β | 26 (max) |
| DAC | β | 10-bit, 1 channel |
| 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 |
| MSL Level | β | MSL3 (per JEDEC J-STD-020) |