ATSAME70J21A-ANT vs ATSAME70N21A-CNT Comparison
Detailed side-by-side comparison of ATSAME70J21A-ANT by Microchip Technology and ATSAME70N21A-CNT by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAME70J21A-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21A-ANT ✓ ActiveMicrochip Technology
ATSAME70N21A-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21A-CNT ✓ ActiveSpecification Comparison
| Parameter | ATSAME70J21A-ANT | ATSAME70N21A-CNT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.60 | $8.85 |
| Core Architecture | ARM Cortex-M7 with FPU (single + double precision) | — |
| Maximum CPU Frequency | 300 MHz | — |
| Flash Memory | 2 MB (2048 Kbytes) | 2 MB (2048 KB) |
| SRAM | 384 KB | 384 KB |
| Instruction Cache | 16 KB (4 KB + configurable 4 KB) | — |
| Supply Voltage | 1.2 V core / 3.3 V I/O (single 3.3 V rail via internal regulator) | — |
| Package | 64-LQFP (10x10 mm) | 100-pin TFBGA, 9x9 mm, 0.8 mm pitch |
| Pin Count | 64 | — |
| Operating Temperature | -40C to +85C (industrial) | -40C to +105C (industrial) |
| ADC | 12-bit, up to 2 Msps | 12-bit, up to 2 MSPS, 24 channels |
| USB | Hi-Speed USB 2.0 with on-chip PHY | — |
| Ethernet | 10/100 Mbps GMAC (IEEE 1588) | — |
| CAN | 2x CAN-FD controllers | — |
| External Bus Interface | 16-bit EBI for SDRAM/SRAM/NOR | — |
| Mounting Type | Surface Mount, Tape & Reel | Surface Mount (BGA) |
| Core | — | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Clock | — | 300 MHz |
| 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 |
| 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 |
| MSL Level | — | 3 (168 hours) |
| RoHS Status | — | ROHS3 Compliant |
| Manufacturer Lead Time | — | 8 weeks (as of 2026-09-22) |