ATSAMD21E17A-AU vs ATSAMD20E14A-AUT 对比
详细并排对比 ATSAMD21E17A-AU 出自 Microchip Technology 和 ATSAMD20E14A-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
ATSAMD21E17A-AU - ARM Cortex-M0+ 48MHz 128KB MCU 32-TQFP | Microchip
ATSAMD21E17A-AU ✓ 量产中Microchip Technology
ATSAMD20E14A-AUT - Cortex-M0+ MCU 48MHz 16KB FLASH TQFP-32
ATSAMD20E14A-AUT ✓ 量产中规格对比
| 参数 | ATSAMD21E17A-AU | ATSAMD20E14A-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） | $2.30 | $1.55 |
| Core Architecture | ARM Cortex-M0+ (SAM D21E family) | — |
| CPU Bit Width | 32-bit | — |
| Maximum CPU Frequency | 48 MHz | — |
| CoreMark/MHz | 2.46 | — |
| Program Flash Memory | 128 KB (128K x 8) | — |
| RWW (Read-While-Write) Flash Section | 4 KB | — |
| SRAM | 16 KB | 2 KB |
| Operating Voltage Range (VDDIN) | 1.62 V to 3.63 V | — |
| USB Interface | USB 2.0 Full-Speed (12 Mbps) with on-chip transceiver | — |
| SERCOM Channels | 6 (configurable as UART/SPI/I2C) | — |
| Timer/Counters | Three 16-bit TC, one 32-bit TCC, one 24-bit RTC | — |
| ADC | 12-bit, up to 350 ksps, up to 20 channels | 12-bit, up to 10 channels [DATA_NEEDED: exact channel count for E variant] |
| DAC | 10-bit, 1 channel | 10-bit |
| DMA Controller | 12 channels | — |
| 封装 | 32-pin TQFP (7x7 mm), 0.8 mm pitch | 32-TQFP (7x7 mm) |
| 工作温度范围 | -40 C to +85 C (industrial) | — |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (per JEDEC J-STD-020) | [DATA_NEEDED: moisture sensitivity level] |
| RoHS 状态 | Compliant | Compliant |
| Functional Safety (FuSa) | SAM D21E family supports FuSa variants | — |
| Core | — | ARM Cortex-M0+ |
| Architecture | — | 32-bit RISC |
| Maximum Clock Speed | — | 48 MHz |
| Program Memory (Flash) | — | 16 KB (16K x 8) |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Operating Temperature (Industrial) | — | -40C to +85C |
| Supply Voltage (Analog) | — | 1.62 V to 3.63 V |
| SERCOM (Configurable Serial) | — | Up to 6 channels |
| Timers | — | 16-bit TC [DATA_NEEDED: instance count] |
| Comparators | — | 2 analog comparators |
| RTC | — | 32 kHz with calendar |
| PTC (Peripheral Touch Controller) | — | Yes |
| Event System | — | Yes (inter-peripheral signalling) |
| Debug Interface | — | SWD |
| Peripheral Supply | — | [DATA_NEEDED: I/O supply current typ.] |
| Process Technology | — | [DATA_NEEDED: process node] |