ATSAMD51J18A-AU-EFP vs ATSAMD51J19A-AFT 对比
详细并排对比 ATSAMD51J18A-AU-EFP 出自 Microchip Technology 和 ATSAMD51J19A-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
ATSAMD51J18A-AU-EFP - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
ATSAMD51J18A-AU-EFP ✓ 量产中Microchip Technology
ATSAMD51J19A-AFT - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
ATSAMD51J19A-AFT ✓ 量产中规格对比
| 参数 | ATSAMD51J18A-AU-EFP | ATSAMD51J19A-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） | $3.95 | $4.80 |
| Core | ARM Cortex-M4F with FPU and DSP | — |
| Maximum CPU Speed | 120 MHz | — |
| Program Flash | 256 KB (256K x 8) with ECC | — |
| SRAM | 128 KB with ECC | 192 KB |
| 封装 | 64-TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Operating Voltage | 1.71 V to 3.63 V | — |
| 工作温度 | -40C to +85C | — |
| ADC | 12-bit, up to 1 Msps, up to 16 channels | 12-bit, up to 16 channels, 1 Msps |
| DAC | 10-bit, 350 ksps, 2 channels | Two 12-bit DAC outputs |
| USB | USB 2.0 Full-Speed with on-chip PHY | — |
| Configurable SERCOM | 6 (UART/SPI/I2C/LIN) | — |
| I2S | Yes | — |
| Timers (TC/TCC) | Yes (multiple 16-bit) | — |
| DMA Channels | DMAC, multiple channels | 32 (separate descriptor RAM) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | 3 (168 hours) |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free | Yes | — |
| Core Architecture | — | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Clock | — | 120 MHz |
| Program Memory (Flash) | — | 512 KB (512K x 8) dual-panel with ECC |
| Supply Voltage Range | — | 1.71 V to 3.63 V (3.3 V nominal) |
| 工作温度范围 | — | -40 C to +125 C (automotive grade) |
| GPIO Count | — | 51 |
| Communication Interfaces | — | 6x SERCOM (USART/SPI/I2C), I2S, USB 2.0 FS with embedded PHY, CAN-FD |
| Timers/Counters | — | 5x 16-bit TC, 32-bit RTC with calendar |
| Event System | — | 16 channels, peripheral-to-peripheral |
| AEC-Q100 | — | Qualified (automotive grade) |