ATSAME51J19A-AUT-EFP vs ATSAME51J20A-AU-EFP 对比
详细并排对比 ATSAME51J19A-AUT-EFP 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
ATSAME51J19A-AUT-EFP - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAME51J19A-AUT-EFP ✓ 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 | ATSAME51J19A-AUT-EFP | 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） | $6.45 | $4.35 |
| Core | ARM Cortex-M4F with FPU | ARM Cortex-M4F with single-precision FPU |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Program Memory (Flash) | 512 KB (dual-panel, ECC) | 1 MB (1024 KB) Dual-Panel Flash with ECC |
| SRAM | 192 KB | 256 KB |
| 封装 | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Operating Voltage (VDDIO) | 1.71 V to 3.6 V | — |
| ADC | 12-bit, up to 1 MSPS, 16 channels | 12-bit, up to 1 MSPS, up to 32 channels |
| DAC | 2x 12-bit | 12-bit, 1 MSPS |
| USB | 1x USB 2.0 High-Speed with PHY | — |
| CAN | 1x CAN-FD | — |
| Ethernet | 10/100 MAC (external PHY required) | — |
| SERCOM / Configurable Serial | Up to 6 (UART/SPI/I2C) | — |
| 工作温度 | -40C to +85C (industrial) | -40C to +85C (industrial) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | [DATA_NEEDED: MSL rating] |
| RoHS 状态 | Compliant | Compliant |
| Instruction Cache (I-cache) | — | 16 KB |
| Supply Voltage (VDD) | — | 3.3 V typical (1.71 V to 3.6 V range) |
| 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) |