ATSAME70N21B-CNT vs ATSAME70N20B-CNT Comparison
Detailed side-by-side comparison of ATSAME70N21B-CNT by Microchip Technology and ATSAME70N20B-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
ATSAME70N21B-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-CNT ✓ ActiveMicrochip Technology
ATSAME70N20B-CNT - 300MHz Cortex-M7 MCU, 1MB Flash, 100-TFBGA | Microchip
ATSAME70N20B-CNT ✓ ActiveSpecification Comparison
| Parameter | ATSAME70N21B-CNT | ATSAME70N20B-CNT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.28 | $10.50 |
| Core Architecture | ARM Cortex-M7 with FPU | — |
| Maximum CPU Clock | 300 MHz | — |
| Flash Memory | 2 MB (2048 KB) | — |
| SRAM | 384 KB multi-port | — |
| Instruction Cache | 16 KB | — |
| Data Cache | 16 KB | — |
| Package | 100-pin TFBGA (9x9 mm) | 100-pin TFBGA (9x9 mm) |
| Operating Voltage | 1.62 V to 3.6 V | — |
| Supply Voltage (VDDIO) | 1.62 V to 3.6 V | — |
| Operating Temperature | -40C to +105C (industrial) | — |
| ADC | 12-bit, up to 2 Msps | [DATA_NEEDED: ADC resolution and channel count] |
| DAC | 12-bit, dual-channel | — |
| USB | USB 2.0 High-Speed with on-chip PHY | — |
| Ethernet | 10/100 MAC with IEEE 1588 | — |
| CAN | 2x CAN-FD controllers | — |
| External Bus Interface | 16-bit SDRAM up to 150 MHz | — |
| Display Controller | TFT LCD with 2D graphics accelerator | — |
| RoHS Status | Compliant | Compliant |
| Core | — | ARM Cortex-M7 with FPU |
| CPU Maximum Clock Frequency | — | 300 MHz |
| Program Memory Size | — | 1 MB (1024 Kbytes) Flash |
| RAM Size | — | 384 KB SRAM (multi-port) |
| Data Bus Width | — | 32-bit |
| Supply Voltage Range | — | 1.08 V to 3.6 V |
| Operating Temperature Range | — | -40C to +85C (industrial) |
| Mounting Type | — | Surface Mount |
| Number of I/O Pins | — | [DATA_NEEDED: GPIO count] |
| Communication Interfaces | — | HS USB Host/Device, Ethernet (EMAC + IEEE 1588), 2x CAN-FD, SPI, TWI (I2C), UART/USART |
| Graphics Accelerator | — | Yes (integrated 2D GFX, supports TFT LCD up to 1024x768) |
| DMA Controllers | — | XDMAC + PDC peripheral DMA |
| MPU (Memory Protection) | — | Yes |
| Tightly-Coupled Memory | — | 16 KB TCM |
| MSL Level | — | 3 (per JEDEC J-STD-020) |