ATSAME51J18A-AUT vs ATSAME51J20A-AU-EFP 对比
详细并排对比 ATSAME51J18A-AUT 出自 Microchip Technology 和 ATSAME51J20A-AU-EFP 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-AUT - SAM E51 Cortex-M4F MCU 120MHz 256KB | Microchip
ATSAME51J18A-AUT ✓ 量产中Microchip Technology
ATSAME51J20A-AU-EFP - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51J20A-AU-EFP ✓ 量产中规格对比
| 参数 | ATSAME51J18A-AUT | ATSAME51J20A-AU-EFP |
|---|---|---|
| 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） | $4.65 | $4.35 |
| Core Architecture | ARM Cortex-M4F (32-bit, single-precision FPU, DSP extensions) | — |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Performance | 150 CoreMark / 1.27 DMIPS/MHz | — |
| Flash Memory | 256 KB dual-panel Flash with ECC | — |
| SRAM | 128 KB | 256 KB |
| 封装 | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Operating Voltage | 1.71 V to 3.63 V | — |
| 工作温度 | -40 C to +85 C (industrial) | -40C to +85C (industrial) |
| USB | USB 2.0 Full-Speed with integrated PHY | — |
| CAN | 1x CAN-FD controller | — |
| SERCOM Channels | 6 (configurable as USART/SPI/I2C) | — |
| ADC | 12-bit, 1 MSPS, up to 16 channels | 12-bit, up to 1 MSPS, up to 32 channels |
| Crypto Accelerator | AES, SHA, RSA, TRNG (True Random Number Generator) | — |
| 安装类型 | Surface Mount (Tape & Reel) | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 3 (168 hours) | [DATA_NEEDED: MSL rating] |
| Core | — | ARM Cortex-M4F with single-precision FPU |
| Program Memory (Flash) | — | 1 MB (1024 KB) Dual-Panel Flash with ECC |
| Instruction Cache (I-cache) | — | 16 KB |
| Supply Voltage (VDD) | — | 3.3 V typical (1.71 V to 3.6 V range) |
| DAC | — | 12-bit, 1 MSPS |
| Communication Interfaces | — | SERCOM x8 (UART/SPI/I2C), USB 2.0 Full-Speed, CAN-FD, I2S |
| DMA Channels | — | 32 channels (DMAC + linked descriptors) |
| Timers/Counters | — | TCC x6, TC x3, RTC |
| Touch Peripheral | — | Peripheral Touch Controller (PTC) |
| Lead-Free / Halogen-Free | — | Yes (per Microchip product page) |