ATSAMD20E16B-MU vs ATSAMD21E16B-MU 对比
详细并排对比 ATSAMD20E16B-MU 出自 Microchip Technology 和 ATSAMD21E16B-MU 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATSAMD20E16B-MU - 48MHz Cortex-M0+ MCU 64KB Flash | Microchip
ATSAMD20E16B-MU ✓ 量产中Microchip Technology
ATSAMD21E16B-MU - ARM Cortex-M0+ MCU, 48MHz, 64KB Flash | Microchip
ATSAMD21E16B-MU ✓ 量产中规格对比
| 参数 | ATSAMD20E16B-MU | ATSAMD21E16B-MU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.95 | $2.65 |
| Core Architecture | ARM Cortex-M0+ | — |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) | 64 KB (in-system self-programmable) |
| SRAM | 8 KB | 8 KB |
| 封装 | 32-pin VQFN (5x5 mm) with exposed pad | 32-pin VQFN (5x5 mm) |
| Operating Voltage (VDD) | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| I/O Pins | 26 (approx., datasheet-confirm per variant) | — |
| SERCOM Instances | 4 (configurable as UART/SPI/I2C) | — |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 350 ksps, 10 channels |
| Analog Comparators | 2 | — |
| Brown-Out Detectors | 2 | — |
| Timers/Counters | 6 | 4 x 16-bit TC, plus 32-bit RTC |
| RTC | Yes, 32 kHz domain | — |
| Watchdog Timer | Yes | — |
| 工作温度 | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant (Green) |
| MSL 等级 | 3 (per JEDEC J-STD-020, typical for VQFN) | 3 (per JEDEC J-STD-020) |
| Core | — | ARM Cortex-M0+ (32-bit, single-core) |
| CoreMark/MHz | — | 2.46 |
| I/O Voltage (VDDIO) | — | 1.62 V to VDD (separate I/O rail) |
| USB | — | USB 2.0 Full-Speed Device/Host |
| DAC | — | 10-bit, 350 ksps, 1 channel |
| SERCOM Modules | — | 6 (each configurable as I2C / SPI / USART) |
| DMA Channels | — | 14 |
| 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 |