ATSAME51J18A-AFT vs ATSAME51J19A-AFT 对比
详细并排对比 ATSAME51J18A-AFT 出自 Microchip Technology 和 ATSAME51J19A-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
ATSAME51J19A-AFT - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAME51J19A-AFT ✓ 量产中规格对比
| 参数 | ATSAME51J18A-AFT | ATSAME51J19A-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 | $5.62 |
| Core | ARM Cortex-M4F with FPU | ARM Cortex-M4F with FPU and DSP extensions |
| 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-TQFP (10x10 mm) |
| 工作温度范围 | -40 °C to +125 °C (Extended) | — |
| ADC | 12-bit, up to 1 MSPS, up to 16 channels | 12-bit, up to 1 MSPS |
| DAC | 12-bit, 2 channels | — |
| USB | USB 2.0 Full-Speed Device/Host | — |
| CAN | 2x CAN-FD controllers (ISO 11898-1) | — |
| SERCOM | Up to 8 SERCOM (UART/SPI/I2C) | Up to 6 (UART/SPI/I2C configurable) |
| Cryptographic Accelerator | AES-256, SHA-256, TRNG | — |
| Parallel Capture Controller (PCC) | Yes | — |
| DMA Channels | 24 | — |
| 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 |
| Flash Memory | — | 512 KB (dual-panel with ECC) |
| Operating Voltage | — | 3.3 V (1.71 V to 3.6 V core VDD) |
| 引脚数量 | — | 64 |
| CAN-FD Interfaces | — | 2 |
| USB Interface | — | USB 2.0 Full-Speed (Device/Host) |
| Programmable I/O | — | Up to 51 |
| 工作温度 | — | -40C to +125C (Extended Industrial) |
| AEC-Q100 Qualification | — | Automotive grade available in family |