ATSAME70N20A-AN vs ATSAME70N21B-CN Comparison
Detailed side-by-side comparison of ATSAME70N20A-AN by Microchip Technology and ATSAME70N21B-CN 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
ATSAME70N20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash, LQFP-100
ATSAME70N20A-AN ✓ ActiveMicrochip Technology
ATSAME70N21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-CN ✓ ActiveSpecification Comparison
| Parameter | ATSAME70N20A-AN | ATSAME70N21B-CN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.20 | $12.10 |
| Core | ARM Cortex-M7 with FPU (single + double precision) | — |
| Maximum CPU Frequency | 300 MHz | — |
| CoreMark Score | 1500 (typical) | — |
| Program Flash | 1024 KB (1 MB) | — |
| SRAM | 384 KB | 384 KB (256 KB SRAM0 with ECC + 128 KB SRAM1) |
| Package | 100-pin LQFP (14x14 mm) | 100-ball TFBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Supply Voltage (VDDIO) | 1.8 V / 2.5 V / 3.3 V (selectable I/O domain) | — |
| Operating Temperature | -40 C to +105 C (industrial) | -40C to +85C (industrial) |
| USB | USB 2.0 High-Speed Host/Device with on-chip HS PHY | USB 2.0 High-Speed Host/Device with integrated HS PHY |
| CAN | 2x CAN-FD controllers | 2x CAN-FD controllers |
| Ethernet | 10/100 MAC with IEEE 1588 PTP | 10/100 Mbps MAC + GMAC (Gigabit) |
| ADC | 12-bit, up to 2 MSPS, 24 channels | 1x 12-bit, up to 1.2 Msps |
| External Bus | 16-bit EBI for SDRAM / SRAM / NAND / PSRAM | 16-bit HSIF (High-Speed Interface) |
| Crypto Acceleration | AES-256, SHA, True Random Number Generator | — |
| Secure Boot | On-chip OTP fuse with secure boot loader | — |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M7 with single/double-precision FPU |
| Maximum CPU Clock | — | 300 MHz |
| CoreMark Performance | — | 1500 CoreMark |
| DMIPS | — | 600 DMIPS |
| Flash Memory | — | 2 MB (2M x 8), dual-bank |
| Supply Voltage (VDDIN) | — | 1.2 V (typ) |
| DAC | — | 2x 12-bit, 1 Msps (dual 2-channel) |
| Crypto Accelerator | — | AES, SHA, TRNG |