ATSAMD51J18A-AUT vs ATSAMD51J20A-AUT 对比
详细并排对比 ATSAMD51J18A-AUT 出自 Microchip Technology 和 ATSAMD51J20A-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
ATSAMD51J18A-AUT - 120MHz Cortex-M4F MCU 256KB Flash | Microchip
ATSAMD51J18A-AUT ✓ 量产中Microchip Technology
ATSAMD51J20A-AUT - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAMD51J20A-AUT ✓ 量产中规格对比
| 参数 | ATSAMD51J18A-AUT | ATSAMD51J20A-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） | $4.78 | $3.32 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with single-precision FPU and DSP extensions |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Bit Width | 32-bit | — |
| Program Flash | 256 KB (with ECC) | — |
| SRAM | 128 KB (with ECC) | 256 KB with ECC |
| Supply Voltage (VDD) | 1.71 V to 3.6 V | 1.71 V to 3.63 V |
| 工作温度 | -40C to +85C (AUT automotive grade) | — |
| 封装 | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| SERCOM Channels | 6 (configurable UART/SPI/I2C) | — |
| USB | USB 2.0 Full-Speed Device/Host | Full-Speed USB 2.0 Device/Host with on-chip transceiver |
| CAN | 1 x CAN-FD | — |
| ADC | 12-bit, up to 1 MSPS | Up to 2x 12-bit, 1 MSPS |
| DAC | 2 x 12-bit | Up to 2x 12-bit |
| MSL 等级 | MSL3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL rating] |
| RoHS 状态 | Compliant | Compliant |
| AEC-Q100 | Automotive grade (AUT suffix) | — |
| Program Flash Memory | — | 1 MB (1024 KB), dual-panel with ECC |
| Operating Temperature Grade | — | -40C to +85C (-AUT suffix, automotive grade) |
| Communication Interfaces (SERCOM) | — | Up to 8 configurable (USART/SPI/I2C/LIN) |
| Timers/Counters | — | TCC (24-bit PWM), TC (16-bit), RTC 32-bit |
| I/O Pins | — | [DATA_NEEDED: GPIO count for 64-TQFP package] |
| DMA Channels | — | Up to 32 channels |