ATSAME70N21A-CNT vs ATSAME70N20A-CNT Comparación
Comparación detallada lado a lado de ATSAME70N21A-CNT por Microchip Technology y ATSAME70N20A-CNT por Microchip Technology. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Microchip Technology
ATSAME70N21A-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21A-CNT ✓ ActivoMicrochip Technology
ATSAME70N20A-CNT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAME70N20A-CNT ✓ ActivoComparación de especificaciones
| Parámetro | ATSAME70N21A-CNT | ATSAME70N20A-CNT |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoría | Microcontrollers | Microcontrollers |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $8,85 | $8,85 |
| Core | ARM Cortex-M7 with FPU (single + double precision) | — |
| Maximum CPU Clock | 300 MHz | — |
| Flash Memory | 2 MB (2048 KB) | 1024 KB (1 MB) |
| SRAM | 384 KB | 384 KB |
| Instruction Cache (I-Cache) | 16 KB | — |
| Data Cache (D-Cache) | 16 KB | — |
| CoreMark Score | 1500 (typical) | — |
| Supply Voltage (VDDIO/VDDCORE) | 3.3 V (typical); 1.2 V core | — |
| Temperatura de funcionamiento | -40C to +105C (industrial) | -40 C to +105 C (industrial) |
| Encapsulado | 100-pin TFBGA, 9x9 mm, 0.8 mm pitch | 100-pin TFBGA (9x9 mm) |
| ADC | 12-bit, up to 2 MSPS, 24 channels | 12-bit, up to 2 MSPS, 24 channels |
| Communication | Ethernet MAC, HS USB PHY, 2x CAN-FD, 4x UART, 5x SPI, 3x I2C, I2S | — |
| Display Controller | TFT LCD controller with 2D acceleration | — |
| Crypto Accelerator | AES-256, SHA-256, TRNG hardware | — |
| Tipo de montaje | Surface Mount (BGA) | Surface Mount (Tape & Reel, CNT suffix) |
| Nivel MSL | 3 (168 hours) | 3 (168 hours) |
| Estado RoHS | ROHS3 Compliant | Compliant |
| Manufacturer Lead Time | 8 weeks (as of 2026-09-22) | — |
| Core Architecture | — | ARM Cortex-M7 with FPU (single + double precision) |
| Frecuencia de reloj máxima | — | 300 MHz |
| Core Performance | — | 1500 CoreMark / 600 DMIPS |
| Instruction Cache | — | 16 KB |
| Data Cache | — | 16 KB |
| Tightly-Coupled Memory (TCM) | — | Yes (ITCM + DTCM) |
| Operating Voltage | — | 1.62 V to 3.6 V (core 1.2 V internal) |
| Supply Voltage Range | — | 3.0 V to 3.6 V typical (VDDIO/VDDIN) |
| USB Interface | — | USB 2.0 High-Speed PHY integrated |
| Ethernet | — | 10/100 Mbps MAC (GMII/RMII/MII) |
| CAN Interface | — | CAN-FD x2 |
| External Bus Interface (EBI) | — | 16-bit, supports SRAM/SDRAM/NOR up to 128 MB |