ATSAMD21E16B-MU vs ATSAMDA1E16B-MBT 对比
详细并排对比 ATSAMD21E16B-MU 出自 Microchip Technology 和 ATSAMDA1E16B-MBT 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
ATSAMD21E16B-MU - ARM Cortex-M0+ MCU, 48MHz, 64KB Flash | Microchip
ATSAMD21E16B-MU ✓ 量产中Microchip Technology
ATSAMDA1E16B-MBT - 48MHz ARM Cortex-M0+ 64KB Flash MCU | Microchip
ATSAMDA1E16B-MBT ✓ 量产中规格对比
| 参数 | ATSAMD21E16B-MU | ATSAMDA1E16B-MBT |
|---|---|---|
| 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） | $2.65 | $1.36 |
| 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) | — |
| SRAM | 8 KB | 8 KB |
| Operating Voltage (VDD) | 1.62 V to 3.63 V | — |
| I/O Voltage (VDDIO) | 1.62 V to VDD (separate I/O rail) | — |
| 工作温度 | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| 封装 | 32-pin VQFN (5x5 mm) | 32-pin VQFN (5x5 mm) with exposed pad |
| 安装类型 | 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 | 10-bit, 1 channel |
| SERCOM Modules | 6 (each configurable as I2C / SPI / USART) | 4 (configurable as USART / I2C / SPI) |
| 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 | — |
| RoHS 状态 | Compliant (Green) | Compliant |
| MSL 等级 | 3 (per JEDEC J-STD-020) | — |
| 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) |
| RWW Flash | — | 2 KB |
| Supply Voltage (VDD) | — | 1.62 V to 3.63 V |
| 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] |