ATSAMD21J18A-AFT vs ATSAMD21J16B-AFT 对比
详细并排对比 ATSAMD21J18A-AFT 出自 Microchip Technology 和 ATSAMD21J16B-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
ATSAMD21J18A-AFT - 32-bit Cortex-M0+ MCU, 256KB Flash, 64-TQFP | Microchip
ATSAMD21J18A-AFT ✓ 量产中Microchip Technology
ATSAMD21J16B-AFT - 64KB Flash ARM Cortex-M0+ MCU | Microchip
ATSAMD21J16B-AFT ✓ 量产中规格对比
| 参数 | ATSAMD21J18A-AFT | ATSAMD21J16B-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） | $2.71 | $2.55 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit, single core) |
| Family | SAM D21J | — |
| Maximum CPU Frequency | 48 MHz | — |
| Flash Memory | 256 KB | — |
| SRAM | 32 KB | 8 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| 工作温度 | -40C to +125C | — |
| 封装 | 64-pin TQFP (10x10 mm) | 64-TQFP (10x10 mm) |
| 安装类型 | Surface Mount (SMD/SMT) | Surface Mount |
| I/O Pins | Up to 52 | — |
| SERCOM | 6 (each configurable as UART/SPI/I2C) | — |
| ADC | 12-bit, up to 20 channels, 1 MSPS | 12-bit, 1 MSPS, up to 20 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| USB | Full-speed USB 2.0 device and host | — |
| DMAC | 12 channels | — |
| Timers/Counters | [DATA_NEEDED: TC count and TCC count] | — |
| Functional Safety | FuSa-capable | — |
| MSL 等级 | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL Level] |
| RoHS 状态 | Compliant (Green) | Compliant |
| CPU Clock Speed | — | 48 MHz |
| Program Memory (Flash) | — | 64 KB (64K x 8) |
| Operating Voltage | — | 1.62 V to 3.63 V |
| Typical Operating Voltage | — | 3.3 V |
| Number of I/O | — | 52 |
| 工作温度范围 | — | -40C to +125C |
| Packaging | — | Tape & Reel |
| Lead-Free | — | Yes |
| Comparators | — | 2 analog comparators |
| Communication Interfaces | — | 6 SERCOM (UART/SPI/I2C), USB 2.0 FS Device/Host, I2S |
| DMA Channels | — | 12-channel DMAC + 12-channel Event System |
| Debug Interface | — | Two-pin Serial Wire Debug (SWD) |