ATSAMD20J14A-MU vs ATSAMD20J18A-MU 对比
详细并排对比 ATSAMD20J14A-MU 出自 Microchip Technology 和 ATSAMD20J18A-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
ATSAMD20J14A-MU - ARM Cortex-M0+ MCU 48MHz 16KB Flash | Microchip
ATSAMD20J14A-MU ✓ 量产中Microchip Technology
ATSAMD20J18A-MU - SAM D20 Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD20J18A-MU ✓ 量产中规格对比
| 参数 | ATSAMD20J14A-MU | ATSAMD20J18A-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） | $2.12 | $2.69 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D20J | — |
| 最大时钟频率 | 48 MHz | — |
| CoreMark/MHz | 2.14 | 2.14 |
| Program Memory Size | 16 KB Flash | — |
| RAM Size | 2 KB SRAM | — |
| 数据总线宽度 | 32 bit | — |
| Operating Voltage Range | 1.8V / 2.5V / 3.3V | — |
| Number of I/O Pins | [DATA_NEEDED: per datasheet, SAM D20J 64-pin provides up to 52 GPIO] | — |
| 封装 | 64-QFN (9x9 mm) with EP | 64-pin QFN (9x9 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | -40 C to +85 C (industrial) |
| ADC | 12-bit | 12-bit, up to 350 ksps |
| DAC | 10-bit | 10-bit |
| SERCOM | Yes (configurable USART/SPI/I2C) | — |
| MSL 等级 | 3 | — |
| RoHS 状态 | Compliant | Compliant |
| Maximum CPU Frequency | — | 48 MHz |
| Program Flash Memory | — | 256 KB |
| SRAM | — | 32 KB |
| Supply Voltage (Vcc/Vdd) | — | 1.62 V to 3.6 V |
| Peripheral Touch Controller (PTC) | — | 256 channels |
| Serial Communication (SERCOM) | — | Up to 6 (configurable as USART/I2C/SPI) |
| I/O Pins | — | [DATA_NEEDED: I/O pin count for 64-QFN variant] |
| RTC | — | 32-bit with calendar |