ATSAME51J18A-AFT vs ATSAMD51J19A-AFT 对比
详细并排对比 ATSAME51J18A-AFT 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
ATSAME51J18A-AFT - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
ATSAME51J18A-AFT ✓ 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 | ATSAME51J18A-AFT | 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） | $5.21 | $4.80 |
| Core | ARM Cortex-M4F with FPU | — |
| CPU Architecture | 32-bit ARMv7-M | — |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Program Flash | 256 KB (with ECC) | — |
| SRAM | 128 KB | 192 KB |
| Operating Voltage Range | 1.71 V to 3.6 V | — |
| I/O Pins | 51 | — |
| 封装 | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| 工作温度范围 | -40 °C to +125 °C (Extended) | -40 C to +125 C (automotive grade) |
| ADC | 12-bit, up to 1 MSPS, up to 16 channels | 12-bit, up to 16 channels, 1 Msps |
| DAC | 12-bit, 2 channels | Two 12-bit DAC outputs |
| USB | USB 2.0 Full-Speed Device/Host | — |
| CAN | 2x CAN-FD controllers (ISO 11898-1) | — |
| SERCOM | Up to 8 SERCOM (UART/SPI/I2C) | — |
| Cryptographic Accelerator | AES-256, SHA-256, TRNG | — |
| Parallel Capture Controller (PCC) | Yes | — |
| DMA Channels | 24 | 32 (separate descriptor RAM) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | MSL3 (per JEDEC J-STD-020) | 3 (168 hours) |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M4F with FPU and DSP |
| 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) |
| 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) |