ATSAME70N20A-CN vs ATSAME70N21B-CN Comparison
Detailed side-by-side comparison of ATSAME70N20A-CN 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-CN - ARM Cortex-M7 MCU, 300MHz, 1MB Flash | Microchip
ATSAME70N20A-CN β ActiveMicrochip Technology
ATSAME70N21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-CN β ActiveSpecification Comparison
| Parameter | ATSAME70N20A-CN | ATSAME70N21B-CN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.40 | $10.85 |
| Core Architecture | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum Clock Frequency | 300 MHz | β |
| Program Memory (Flash) | 1 MB (1024 KB) | β |
| SRAM | 384 KB (multi-port) | 384 KB (256 KB SRAM0 + 128 KB SRAM1) |
| I-Cache / D-Cache | 16 KB / 16 KB | β |
| Tightly-Coupled Memory (TCM) | Yes (ITCM + DTCM) | β |
| Memory Protection Unit (MPU) | Yes | β |
| Supply Voltage (VDDIO) | 3.3 V typical | β |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Package | 100-pin TFBGA (9x9 mm) | 100-ball TFBGA, 9x9 mm, 0.8 mm pitch |
| USB | USB 2.0 High-Speed with on-chip PHY | HS USB Host + Device with integrated PHY |
| CAN | 2x CAN-FD | 2x CAN-FD controllers |
| SD/MMC | 2x SDHCI / eMMC | β |
| Quad-SPI | Yes (XIP support) | β |
| ADC | 12-bit AFEC | 1x 12-bit, 1.2 Msps, up to 24 channels |
| Crypto Accelerator | AES, TRNG | TRNG, AES (128/192/256), SHA-1/SHA-256 |
| RoHS Status | Compliant | Compliant |
| Maximum CPU Clock | β | 300 MHz |
| CoreMark Performance | β | 1500 CoreMark |
| DMIPS | β | 600 DMIPS |
| Program Flash | β | 2 MB (2048 KB) |
| Supply Voltage (VDDIN) | β | 1.62 V to 3.6 V |
| DAC | β | 2x 12-bit, 1 Msps, 2 channels each |
| Ethernet | β | 10/100 Mbps MAC (GMAC), HS GMAC variant supports GbE with external PHY |
| External Memory Bus | β | 16-bit HSIF for SRAM/PSRAM/NAND/NOR |
| Timers/Counters | β | 16-bit TC channels, PWM, RTC |