ATSAME70Q20A-CFN vs ATSAME70Q19A-CN 对比
详细并排对比 ATSAME70Q20A-CFN 出自 Microchip Technology 和 ATSAME70Q19A-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
ATSAME70Q20A-CFN - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAME70Q20A-CFN ✓ 量产中Microchip Technology
ATSAME70Q19A-CN - 300MHz Cortex-M7 MCU 512KB Flash LFBGA-144 | Microchip
ATSAME70Q19A-CN ✓ 量产中规格对比
| 参数 | ATSAME70Q20A-CFN | ATSAME70Q19A-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） | $9.05 | $6.68 |
| Core | ARM Cortex-M7 with FPU (single precision) | — |
| 最大时钟频率 | 300 MHz | — |
| Program Memory (Flash) | 1 MB (1024 KB) | — |
| SRAM | 384 KB | 256 KB |
| Operating Voltage | 1.62 V to 3.6 V | — |
| 工作温度 | -40C to +85C (industrial) | -40C to +105C (industrial) |
| 封装 | 144-ball UFBGA, 10x10x0.6 mm | 144-LFBGA (10x10 mm, 0.8 mm pitch) |
| I/O Count | Up to 114 programmable I/O lines | — |
| CoreMark Performance | 1284 CoreMark (data per Microchip datasheet family) | — |
| DMIPS | 600 DMIPS | — |
| External Bus Interface | 16-bit EBI for SRAM/SDRAM/NOR/PSRAM | — |
| ADC | 12-bit AFEC, up to 24 channels, 2 MSPS | 12-bit, up to 2 Msps |
| Communications | HS USB, HS SDIO/SD Card, CAN-FD, EMAC (MII/RMII), USART, TWI, SPI | — |
| Crypto Acceleration | AES, TDES, SHA, TRNG (per SAME70 family) | — |
| Timers | 16-bit PWM timers + 24-bit counter/timer | — |
| 安装类型 | Surface Mount (BGA) | Surface Mount (BGA) |
| MSL 等级 | [DATA_NEEDED: MSL rating] | 3 |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Clock | — | 300 MHz |
| Flash Memory | — | 512 KB |
| Operating Voltage (VDDCORE) | — | 1.2 V (typical) |
| I/O Voltage (VDDIO) | — | 3.3 V (typical) |
| DAC | — | 12-bit |
| USB | — | USB 2.0 High-Speed Host + Device with on-chip PHY |
| Ethernet | — | 10/100 Mbps MAC (GMAC) with 1588 PTP |
| CAN | — | 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 |
| External Bus Interface (EBI) | — | Yes (SDRAM, SRAM, NAND support) |