ATSAME70Q19A-CFNT vs ATSAME70Q21A-CFNT 对比
详细并排对比 ATSAME70Q19A-CFNT 出自 Microchip Technology 和 ATSAME70Q21A-CFNT 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
ATSAME70Q19A-CFNT - 300MHz ARM Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70Q19A-CFNT ✓ 量产中Microchip Technology
ATSAME70Q21A-CFNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21A-CFNT ✓ 量产中规格对比
| 参数 | ATSAME70Q19A-CFNT | ATSAME70Q21A-CFNT |
|---|---|---|
| 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） | $9.78 | $11.40 |
| Core Architecture | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Frequency | 300 MHz | — |
| Program Flash Memory | 512 Kbytes | — |
| SRAM | 256 Kbytes (multi-port) | 384 KB multi-port |
| Instruction Cache | 16 Kbytes | 16 KB |
| Data Cache | 16 Kbytes | 16 KB |
| 封装 | 144-ball UFBGA (10x10x0.6 mm) | 144-ball UFBGA (10x10x0.6 mm) |
| 安装类型 | Surface Mount (BGA) | Surface Mount, TAPE & REEL |
| Supply Voltage (VDDCORE) | 1.2 V (typ) | — |
| Supply Voltage (VDDIO) | 3.3 V (typ) | — |
| ADC | 12-bit, up to 24 channels | 12-bit, up to 2 Msps |
| DAC | 12-bit | — |
| Communication Interfaces | USB HS, Ethernet MAC, 2x CAN-FD, USART, SPI, TWI, I2S | — |
| External Bus Interface | 16-bit EBI | — |
| 工作温度 | -40 C to +85 C (industrial) | — |
| RoHS 状态 | Compliant | Compliant |
| Maximum Core Clock | — | 300 MHz |
| Flash Memory | — | 2 MB (2M x 8) |
| Operating Voltage | — | 1.62 V to 3.6 V (core 1.2 V internal) |
| 工作温度范围 | — | -40 C to +85 C (CFNT suffix, T&R) |
| USB | — | USB 2.0 High-Speed with on-chip PHY |
| Ethernet | — | 10/100 EMAC with 1588 PTP, requires external PHY |
| CAN | — | 2x CAN-FD controllers |
| PWM Channels | — | 6 channels, 16-bit |
| Timer Counters | — | 8 channels, 16-bit |
| Lead-Free | — | Yes |