ATSAME51J18A-AF vs ATSAME51J20A-AF 对比
详细并排对比 ATSAME51J18A-AF 出自 Microchip Technology 和 ATSAME51J20A-AF 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-AF - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
ATSAME51J18A-AF ✓ 量产中Microchip Technology
ATSAME51J20A-AF - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME51J20A-AF ✓ 量产中规格对比
| 参数 | ATSAME51J18A-AF | ATSAME51J20A-AF |
|---|---|---|
| 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） | $3.85 | $5.10 |
| Core | ARM Cortex-M4F with FPU and DSP | — |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Program Memory (Flash) | 256 KB dual-panel Flash with ECC | — |
| SRAM | 128 KB | 256 KB |
| Supply Voltage (VDD) | 1.71 V to 3.6 V | — |
| 工作温度 | -40 C to +125 C (extended industrial) | -40 C to +125 C (extended) |
| 封装 | 64-pin TQFP (10x10 mm) | 64-pin TQFP, 10 mm x 10 mm, 0.5 mm pitch |
| GPIO Count | Up to 51 programmable I/O pins | — |
| ADC | 12-bit, up to 1 Msps, up to 16 channels | 1 MSPS, 12-bit, up to 16 channels |
| USB | USB 2.0 Full-Speed device/host with on-chip PHY | — |
| CAN | CAN 2.0B and CAN-FD controller | — |
| SERCOM | Configurable UART / SPI / I2C interfaces | — |
| Timers/Counters | TC blocks for capture, compare, PWM, quadrature decode | — |
| Event System | 8-channel inter-peripheral event signalling | — |
| 安装类型 | Surface Mount (TQFP) | Surface Mount (TQFP) |
| MSL 等级 | 3 (168 hours) | 3 (168 hours) |
| RoHS 状态 | Compliant | — |
| Core Architecture | — | ARM Cortex-M4F with FPU and DSP extensions |
| Program Memory | — | 1 MB (1M x 8) dual-panel Flash with ECC |
| 电源电压 | — | 1.71 V to 3.63 V |
| DAC | — | 12-bit, 2 channels |
| Communication Interfaces | — | USB 2.0 Full-Speed, 2x CAN-FD, Ethernet MAC 10/100 with 1588, 4x SERCOM (UART/SPI/I2C), 2x I2S, 1x HS SD Card / eMMC |
| Timer/Counter | — | 5x 16-bit TC, 3x 24-bit TCC for PWM |
| DMA | — | DMAC with 32 channels + Event System |
| Memory Protection | — | TrustZone-M (optional, SAM E51 variant dependent) |
| Automotive Qualification | — | AEC-Q100 qualified |