ATSAMS70Q21B-ANT vs ATSAMS70Q20A-AN Comparison
Detailed side-by-side comparison of ATSAMS70Q21B-ANT by Microchip Technology and ATSAMS70Q20A-AN 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
ATSAMS70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash 144-LQFP | Microchip
ATSAMS70Q21B-ANT ✓ ActiveMicrochip Technology
ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAMS70Q20A-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAMS70Q21B-ANT | ATSAMS70Q20A-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $15.85 | $9.52 |
| Core | ARM Cortex-M7 with FPU and DSP | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Clock | 300 MHz | — |
| Bit Width | 32-bit | — |
| Flash Memory | 2 MB (2M x 8) | 1 MB (1024 KB) |
| SRAM | 384 KB | 384 KB |
| Supply Voltage (Core) | 1.08 V to 1.32 V | — |
| I/O Lines | 114 | — |
| External Data Bus Width | 16-bit | — |
| External Address Bus Width | 24-bit | — |
| Operating Temperature | -40 C to +85 C (industrial grade) | -40C to +105C |
| Package | 144-LQFP (20x20 mm) | 144-pin LQFP (20x20 mm, 0.5 mm pitch) |
| Mounting Type | Surface Mount | — |
| Ethernet | EMAC with IEEE 1588 PTP | 10/100 MAC with IEEE 1588 PTP, GMII/RGMII/MII |
| USB | HS USB 2.0 with on-chip PHY | USB 2.0 High-Speed with on-chip PHY |
| CAN | CAN-FD | 2x CAN-FD |
| ADC | 12-bit | 2x 12-bit AFEC, up to 1.5 Msps |
| DAC | Yes | — |
| PWM Channels | Yes | — |
| DMA | Yes | — |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 300 MHz |
| Instruction Cache (ICache) | — | 16 KB |
| Data Cache (DCache) | — | 16 KB |
| Supply Voltage (VDDCORE) | — | 1.2 V to 1.32 V |
| I/O Supply Voltage (VDDIO) | — | 1.7 V to 3.6 V |
| GPIO Count | — | 119 |
| CoreMark Score | — | 1500 |