ATSAMD20E18A-AUT vs ATSAMD20E15B-AUT 对比
详细并排对比 ATSAMD20E18A-AUT 出自 Microchip Technology 和 ATSAMD20E15B-AUT 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-AUT - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD20E18A-AUT ✓ 量产中Microchip Technology
ATSAMD20E15B-AUT - ARM Cortex-M0+ 48MHz 32KB Flash MCU | Microchip
ATSAMD20E15B-AUT ✓ 量产中规格对比
| 参数 | ATSAMD20E18A-AUT | ATSAMD20E15B-AUT |
|---|---|---|
| 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） | $2.78 | $2.52 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Family | SAM D20E (ATSAMD20) | SAM D20 |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 256 KB | — |
| SRAM | 32 KB | 4 KB |
| Supply Voltage (VDD) | 1.6 V to 3.6 V | — |
| ADC | 12-bit, up to 350 ksps, 12 channels | 12-bit, up to 350 ksps, up to 10 channels |
| DAC | 10-bit, 1 channel, 350 ksps | 10-bit, 350 ksps |
| Peripheral Touch Controller (PTC) | 256 channels | — |
| SERCOM Modules | 6 (configurable USART/I2C/SPI) | — |
| USB | USB 2.0 Full-Speed Device with on-chip transceiver | Full-Speed USB 2.0 Device |
| Timers/Counters | TC x6 + TCC x3 | — |
| RTC | 32-bit RTC with calendar | — |
| 工作温度 | -40C to +85C (industrial, 'U' suffix) | -40C to +85C (Industrial) |
| 封装 | 32-pin TQFP, 7x7 mm | 32-pin TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | MSL3 | — |
| Lead-Free / RoHS | Yes / Compliant | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| 最大时钟频率 | — | 48 MHz |
| Program Memory (Flash) | — | 32 KB (32K x 8) |
| Supply Voltage Range | — | 1.62 V to 3.63 V |
| SERCOM | — | 6 channels (configurable as USART/SPI/I2C) |
| Timers | — | 16-bit Timer/Counter, RTC |
| I/O Pins | — | Up to 26 GPIO |
| RoHS 状态 | — | Compliant |
| Low-Power Modes | — | Sleep, Standby, Backup with RTC |