ATSAMDA1J14B-MBT vs ATSAMD20E18A-MU 对比
详细并排对比 ATSAMDA1J14B-MBT 出自 Microchip Technology 和 ATSAMD20E18A-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
ATSAMDA1J14B-MBT - 48MHz Cortex-M0+ MCU, 16KB Flash | Microchip
ATSAMDA1J14B-MBT ✓ 量产中Microchip Technology
ATSAMD20E18A-MU - 48MHz ARM Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD20E18A-MU ✓ 量产中规格对比
| 参数 | ATSAMDA1J14B-MBT | ATSAMD20E18A-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） | $2.55 | $2.75 |
| Core Architecture | ARM Cortex-M0+ | ARM 32-bit |
| Core Count | 1 (Single-Core) | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| DMIPS | 45 | — |
| Program Memory (Flash) | 16 KB (16K x 8) | 256 KB (256K x 8) |
| SRAM | 4 KB | 32 KB (32K x 8) |
| Read-While-Write Flash | 512 B | — |
| 封装 | 64-QFN (9x9 mm) with Exposed Pad | 32-VQFN (5x5 mm) with Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| SERCOM Modules | 6 (configurable as USART / I2C / SPI) | Up to 6 (I2C/SPI/UART configurable) |
| ADC | [DATA_NEEDED: ADC resolution & channel count] | — |
| PWM Channels | [DATA_NEEDED: PWM channel count & resolution] | — |
| USB Interface | Full-Speed USB Device | — |
| Supply Voltage Range | [DATA_NEEDED: VDD range] | — |
| 工作温度范围 | [DATA_NEEDED: temperature grade] | — |
| MSL 等级 | [DATA_NEEDED: moisture sensitivity level] | MSL3 (per Microchip package profile) |
| RoHS 状态 | Compliant | — |
| Core | — | ARM Cortex-M0+ |
| Instruction Set | — | Thumb/Thumb-2 |
| Supply Voltage (Vdd) | — | 1.62 V to 3.63 V |
| 工作温度 | — | -40 C to +85 C |
| I/O Voltage | — | 3.3 V (typ) |
| Performance | — | 2.14 CoreMark/MHz |
| Peripheral Touch Controller (PTC) | — | Yes |
| ADC / DAC | — | 12-bit ADC / 10-bit DAC (per SAM D20 family) |
| USB | — | Full-Speed USB 2.0 Device (per SAM D20 family) |
| Lead-Free / RoHS | — | Yes / Compliant (per Microchip product page) |
| Moisture Sensitivity Floor Life | — | 168 hours |