ATSAMD21E17A-AF vs ATSAMD21E18A-AFT 对比
详细并排对比 ATSAMD21E17A-AF 出自 Microchip Technology 和 ATSAMD21E18A-AFT 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
ATSAMD21E17A-AF - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21E17A-AF ✓ 量产中Microchip Technology
ATSAMD21E18A-AFT - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21E18A-AFT ✓ 量产中规格对比
| 参数 | ATSAMD21E17A-AF | ATSAMD21E18A-AFT |
|---|---|---|
| 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） | $2.34 | $2.72 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21 / SAM D21E sub-family | — |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| Flash Program Memory | 128 KB | — |
| SRAM | 16 KB | 32 KB |
| RWW (Read-While-Write) Partition | 4 KB auxiliary flash | — |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| 工作温度范围 | -40 C to +125 C (125C GREEN) | — |
| 封装 | 32-pin TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount (Tape & Reel) |
| USB | USB 2.0 Full-Speed Device | Full-Speed USB 2.0 Device with integrated transceiver |
| DMA Channels | 12 | — |
| Timer/Counters | Three 16-bit TC | — |
| SERCOM Modules | Up to 6 (configurable as I2C/SPI/UART) | — |
| ADC / DAC | 12-bit ADC, 10-bit DAC | — |
| RoHS 状态 | Compliant (GREEN) | Compliant |
| Debug Interface | Two-pin Serial Wire Debug (SWD) | — |
| Functional Safety (FuSa) | FuSa-capable family | — |
| Series | — | SAM D21E (Functional Safety / FuSa) |
| CoreMark Performance | — | 2.46 CoreMark/MHz |
| Flash Memory | — | 256 KB (256K x 8) |
| Operating Voltage | — | 1.62 V to 3.63 V |
| 工作温度 | — | -40 C to +125 C |
| Serial Interfaces (SERCOM) | — | Up to 6 (configurable UART/SPI/I2C) |
| ADC | — | 12-bit, up to 20 channels |
| Analog Comparators | — | 2 |
| Timers | — | 16-bit TC modules and TCC for PWM |
| Touch Controller | — | Peripheral Touch Controller (PTC) - capacitive touch |
| Event System | — | 12-channel |
| MSL 等级 | — | 3 |