ATSAME51J18A-AU vs ATSAME51J19A-AU 对比
详细并排对比 ATSAME51J18A-AU 出自 Microchip Technology 和 ATSAME51J19A-AU 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-AU - 120MHz Cortex-M4F MCU, 256KB Flash, 64-TQFP | Microchip
ATSAME51J18A-AU ✓ 量产中Microchip Technology
ATSAME51J19A-AU - ARM Cortex-M4F 120MHz 512KB MCU | Microchip
ATSAME51J19A-AU ✓ 量产中规格对比
| 参数 | ATSAME51J18A-AU | ATSAME51J19A-AU |
|---|---|---|
| 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） | $4.08 | $3.42 |
| Core | ARM Cortex-M4F (32-bit) | — |
| 最大时钟频率 | 120 MHz | — |
| FPU | Single-precision hardware | — |
| DSP Extensions | Yes (single-cycle MAC, SIMD) | — |
| Flash Memory | 256 KB (256K x 8) with ECC | — |
| SRAM | 128 KB | [DATA_NEEDED: SRAM size in KB] |
| Cache (ECHS) | [DATA_NEEDED: cache size in KB] | — |
| Supply Voltage (VDDIN) | 1.71 V to 3.63 V | — |
| Core Voltage | 1.2 V (internal LDO) | — |
| 工作温度 | -40C to +85C | -40 C to +85 C (industrial, AU) |
| 封装 | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 1 MSPS | 12-bit SAR, up to 1 Msps |
| USB | USB 2.0 High-Speed PHY (on-chip) | — |
| CAN | CAN-FD | CAN 2.0B and CAN-FD |
| Ethernet | 10/100 MAC (RMII/MII) | — |
| SERCOM Channels | 6 (configurable USART/SPI/I2C) | Up to 6 (configurable UART/SPI/I2C) |
| I/O Count | [DATA_NEEDED: GPIO count] | — |
| MSL 等级 | [DATA_NEEDED: MSL rating] | 3 |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M4F with FPU |
| Maximum CPU Frequency | — | 120 MHz |
| Program Flash | — | 512 KB (dual-panel, 512K x 8) |
| Operating Voltage | — | 1.71 V to 3.63 V |
| High-Speed USB | — | USB 2.0 Full-Speed Device/Host |
| DAC | — | 10-bit, 1 Msps |
| Crypto Accelerator | — | AES 256-bit / SHA-256 hardware accelerator |
| DMA Channels | — | 24 |
| User Row (EEPROM emulation) | — | [DATA_NEEDED: row size in KB] |
| 引脚数量 | — | 64 |
| Bootloader | — | On-chip bootloader via UART/USB |