ATSAMD51J19A-MF vs ATSAMD21J18A-MF 对比
详细并排对比 ATSAMD51J19A-MF 出自 Microchip Technology 和 ATSAMD21J18A-MF 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
ATSAMD51J19A-MF - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51J19A-MF ✓ 量产中Microchip Technology
ATSAMD21J18A-MF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-MF ✓ 量产中规格对比
| 参数 | ATSAMD51J19A-MF | ATSAMD21J18A-MF |
|---|---|---|
| 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） | $5.40 | $3.60 |
| Core | ARM Cortex-M4F with FPU | ARM Cortex-M0+ (32-bit) |
| Maximum Clock Speed | 120 MHz | — |
| Program Memory (Flash) | 512 KB | — |
| SRAM | 192 KB | 32 KB |
| Operating Voltage Range | 1.71 V to 3.6 V | — |
| ADC | 12-bit, 1 MSPS | 12-bit, up to 20 channels, 350 kSPS |
| DAC | 2x 12-bit, 1 MSPS | 10-bit, 350 kSPS |
| USB | Full-Speed USB 2.0 with on-chip PHY | USB 2.0 Full-Speed Device/Host |
| GPIO Count | Up to 51 | — |
| 封装 | 64-QFN (9x9 mm) with exposed pad | 64-pin QFN (9x9 mm) |
| 工作温度 | -40C to +125C (extended) | -40C to +125C |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | Compliant |
| Cryptographic Accelerator | AES, SHA, TRNG | — |
| Serial Peripherals (SERCOM) | Up to 8 (configurable I2C/SPI/UART) | — |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Program Flash | — | 256 KB |
| 电源电压 | — | 1.62 V to 3.63 V |
| SERCOM | — | 6 (configurable UART/SPI/I2C) |
| GPIO | — | Up to 52 |