ATSAME70Q19A-CN vs ATSAME70N21B-CN 对比
详细并排对比 ATSAME70Q19A-CN 出自 Microchip Technology 和 ATSAME70N21B-CN 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-CN - 300MHz Cortex-M7 MCU 512KB Flash LFBGA-144 | Microchip
ATSAME70Q19A-CN ✓ 量产中Microchip Technology
ATSAME70N21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-CN ✓ 量产中规格对比
| 参数 | ATSAME70Q19A-CN | ATSAME70N21B-CN |
|---|---|---|
| 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） | $6.68 | $12.10 |
| Core Architecture | ARM Cortex-M7 with FPU (single + double precision) | ARM Cortex-M7 with single/double-precision FPU |
| Maximum CPU Clock | 300 MHz | 300 MHz |
| Flash Memory | 512 KB | 2 MB (2M x 8), dual-bank |
| SRAM | 256 KB | 384 KB (256 KB SRAM0 with ECC + 128 KB SRAM1) |
| Operating Voltage (VDDCORE) | 1.2 V (typical) | — |
| I/O Voltage (VDDIO) | 3.3 V (typical) | — |
| 封装 | 144-LFBGA (10x10 mm, 0.8 mm pitch) | 100-ball TFBGA (9x9 mm) |
| 工作温度 | -40C to +105C (industrial) | -40C to +85C (industrial) |
| ADC | 12-bit, up to 2 Msps | 1x 12-bit, up to 1.2 Msps |
| DAC | 12-bit | 2x 12-bit, 1 Msps (dual 2-channel) |
| USB | USB 2.0 High-Speed Host + Device with on-chip PHY | USB 2.0 High-Speed Host/Device with integrated HS PHY |
| Ethernet | 10/100 Mbps MAC (GMAC) with 1588 PTP | 10/100 Mbps MAC + GMAC (Gigabit) |
| CAN | 2x CAN-FD controllers | 2x CAN-FD controllers |
| Serial Interfaces | 3x FLEXCOM (USART/SPI/TWI), 2x I2S, 2x SPI high-speed | — |
| DMA Channels | 24 (XDMAC) | — |
| Crypto Accelerator | AES, SHA, TRNG hardware blocks | AES, SHA, TRNG |
| External Bus Interface (EBI) | Yes (SDRAM, SRAM, NAND support) | — |
| 安装类型 | Surface Mount (BGA) | Surface Mount |
| MSL 等级 | 3 | — |
| RoHS 状态 | Compliant | Compliant |
| CoreMark Performance | — | 1500 CoreMark |
| DMIPS | — | 600 DMIPS |
| Supply Voltage (VDDIN) | — | 1.2 V (typ) |
| External Bus | — | 16-bit HSIF (High-Speed Interface) |