ATSAMD21E16B-MU vs ATSAMD20E16B-MU Comparação
Comparação detalhada lado a lado de ATSAMD21E16B-MU por Microchip Technology e ATSAMD20E16B-MU por Microchip Technology. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Microchip Technology
ATSAMD21E16B-MU - ARM Cortex-M0+ MCU, 48MHz, 64KB Flash | Microchip
ATSAMD21E16B-MU ✓ AtivoMicrochip Technology
ATSAMD20E16B-MU - 48MHz Cortex-M0+ MCU 64KB Flash | Microchip
ATSAMD20E16B-MU ✓ AtivoComparação de especificações
| Parâmetro | ATSAMD21E16B-MU | ATSAMD20E16B-MU |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoria | Microcontrollers | Microcontrollers |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $2,65 | $1,95 |
| Core | ARM Cortex-M0+ (32-bit, single-core) | — |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| CoreMark/MHz | 2.46 | — |
| Program Memory (Flash) | 64 KB (in-system self-programmable) | 64 KB (64K x 8) |
| SRAM | 8 KB | 8 KB |
| Operating Voltage (VDD) | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| I/O Voltage (VDDIO) | 1.62 V to VDD (separate I/O rail) | — |
| Temperatura de operação | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| Encapsulamento | 32-pin VQFN (5x5 mm) | 32-pin VQFN (5x5 mm) with exposed pad |
| Tipo de montagem | Surface Mount | Surface Mount |
| USB | USB 2.0 Full-Speed Device/Host | — |
| ADC | 12-bit, up to 350 ksps, 10 channels | 12-bit, up to 20 channels |
| DAC | 10-bit, 350 ksps, 1 channel | — |
| SERCOM Modules | 6 (each configurable as I2C / SPI / USART) | — |
| DMA Channels | 14 | — |
| Timers/Counters | 4 x 16-bit TC, plus 32-bit RTC | 6 |
| 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 | — |
| Status RoHS | Compliant (Green) | Compliant |
| Nível MSL | 3 (per JEDEC J-STD-020) | 3 (per JEDEC J-STD-020, typical for VQFN) |
| Core Architecture | — | ARM Cortex-M0+ |
| I/O Pins | — | 26 (approx., datasheet-confirm per variant) |
| SERCOM Instances | — | 4 (configurable as UART/SPI/I2C) |
| Analog Comparators | — | 2 |
| Brown-Out Detectors | — | 2 |
| RTC | — | Yes, 32 kHz domain |
| Watchdog Timer | — | Yes |