ATSAMD51J18A-AUT vs ATSAMD51J19A-AFT 对比
详细并排对比 ATSAMD51J18A-AUT 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-AUT - 120MHz Cortex-M4F MCU 256KB Flash | Microchip
ATSAMD51J18A-AUT ✓ 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-AUT | 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） | $4.78 | $4.80 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Bit Width | 32-bit | — |
| Program Flash | 256 KB (with ECC) | — |
| SRAM | 128 KB (with ECC) | 192 KB |
| Supply Voltage (VDD) | 1.71 V to 3.6 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 | — |
| CAN | 1 x CAN-FD | — |
| ADC | 12-bit, up to 1 MSPS | 12-bit, up to 16 channels, 1 Msps |
| DAC | 2 x 12-bit | Two 12-bit DAC outputs |
| MSL 等级 | MSL3 (per JEDEC J-STD-020) | 3 (168 hours) |
| RoHS 状态 | Compliant | Compliant |
| AEC-Q100 | Automotive grade (AUT suffix) | Qualified (automotive grade) |
| 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 |
| DMA Channels | — | 32 (separate descriptor RAM) |
| Event System | — | 16 channels, peripheral-to-peripheral |