ATSAMD20E18A-MU vs ATSAMD20E16B-MU 对比
详细并排对比 ATSAMD20E18A-MU 出自 Microchip Technology 和 ATSAMD20E16B-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
ATSAMD20E18A-MU - 48MHz ARM Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD20E18A-MU ✓ 量产中Microchip Technology
ATSAMD20E16B-MU - 48MHz Cortex-M0+ MCU 64KB Flash | Microchip
ATSAMD20E16B-MU ✓ 量产中规格对比
| 参数 | ATSAMD20E18A-MU | ATSAMD20E16B-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） | $2.75 | $1.95 |
| Core | ARM Cortex-M0+ | — |
| Core Architecture | ARM 32-bit | ARM Cortex-M0+ |
| Instruction Set | Thumb/Thumb-2 | — |
| Maximum CPU Frequency | 48 MHz | — |
| Program Memory (Flash) | 256 KB (256K x 8) | 64 KB (64K x 8) |
| SRAM | 32 KB (32K x 8) | 8 KB |
| Supply Voltage (Vdd) | 1.62 V to 3.63 V | — |
| 工作温度 | -40 C to +85 C | -40 C to +85 C (industrial) |
| 封装 | 32-VQFN (5x5 mm) with Exposed Pad | 32-pin VQFN (5x5 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| I/O Voltage | 3.3 V (typ) | — |
| Performance | 2.14 CoreMark/MHz | — |
| Peripheral Touch Controller (PTC) | Yes | — |
| SERCOM Modules | Up to 6 (I2C/SPI/UART configurable) | — |
| ADC / DAC | 12-bit ADC / 10-bit DAC (per SAM D20 family) | — |
| USB | Full-Speed USB 2.0 Device (per SAM D20 family) | — |
| MSL 等级 | MSL3 (per Microchip package profile) | 3 (per JEDEC J-STD-020, typical for VQFN) |
| Lead-Free / RoHS | Yes / Compliant (per Microchip product page) | — |
| Moisture Sensitivity Floor Life | 168 hours | — |
| Maximum CPU Clock | — | 48 MHz |
| Operating Voltage (VDD) | — | 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 |
| Analog Comparators | — | 2 |
| Brown-Out Detectors | — | 2 |
| Timers/Counters | — | 6 |
| RTC | — | Yes, 32 kHz domain |
| Watchdog Timer | — | Yes |
| RoHS 状态 | — | Compliant |