ATSAMD21E18A-AFT vs ATSAMD21E15B-AFT 对比
详细并排对比 ATSAMD21E18A-AFT 出自 Microchip Technology 和 ATSAMD21E15B-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
ATSAMD21E18A-AFT - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD21E18A-AFT ✓ 量产中Microchip Technology
ATSAMD21E15B-AFT - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21E15B-AFT ✓ 量产中规格对比
| 参数 | ATSAMD21E18A-AFT | ATSAMD21E15B-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） | $2.72 | $1.96 |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Series | SAM D21E (Functional Safety / FuSa) | — |
| Maximum CPU Clock | 48 MHz | — |
| CoreMark Performance | 2.46 CoreMark/MHz | — |
| Flash Memory | 256 KB (256K x 8) | — |
| SRAM | 32 KB | — |
| Operating Voltage | 1.62 V to 3.63 V | — |
| 工作温度 | -40 C to +125 C | — |
| 封装 | 32-TQFP (7x7 mm) | 32-pin TQFP (7x7 mm) |
| 安装类型 | Surface Mount (Tape & Reel) | Surface Mount |
| USB | Full-Speed USB 2.0 Device with integrated transceiver | — |
| Serial Interfaces (SERCOM) | Up to 6 (configurable UART/SPI/I2C) | — |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 14 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 | MSL3 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M0+ |
| Core Bit Width | — | 32-bit |
| 最大时钟频率 | — | 48 MHz |
| Program Memory (Flash) | — | 32 KB (32K x 8) |
| Data Memory (SRAM) | — | 4 KB |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| I/O Pins | — | 26 (max) |
| DAC | — | 10-bit, 1 channel |
| Timer/Counters | — | TC: 3 x 16-bit, TCC: 2 x 16-bit |
| Communication Interfaces | — | 6 x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device, I2S |
| Functional Safety | — | IEC 60730 Class B (FuSa variant) |
| 工作温度范围 | — | -40 C to +125 C |