ATSAMS70Q20A-AN vs ATSAMS70Q21B-AN Comparison
Detailed side-by-side comparison of ATSAMS70Q20A-AN by Microchip Technology and ATSAMS70Q21B-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
ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAMS70Q20A-AN ✓ ActiveMicrochip Technology
ATSAMS70Q21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAMS70Q21B-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAMS70Q20A-AN | ATSAMS70Q21B-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.52 | $11.60 |
| Core | ARM Cortex-M7 with FPU (single + double precision) | — |
| Maximum Clock Frequency | 300 MHz | — |
| Flash Memory | 1 MB (1024 KB) | 2 MB (2048 KB) |
| SRAM | 384 KB | 384 KB |
| 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 | — |
| Package | 144-pin LQFP (20x20 mm, 0.5 mm pitch) | 144-LQFP (20x20 mm, 0.5 mm pitch) |
| GPIO Count | 119 | — |
| ADC | 2x 12-bit AFEC, up to 1.5 Msps | High-speed ADC (see datasheet) |
| USB | USB 2.0 High-Speed with on-chip PHY | — |
| Ethernet | 10/100 MAC with IEEE 1588 PTP, GMII/RGMII/MII | — |
| CAN | 2x CAN-FD | — |
| Operating Temperature | -40C to +105C | — |
| RoHS Status | Compliant | Compliant |
| CoreMark Score | 1500 | — |
| Core Architecture | — | ARM Cortex-M7 with FPU |
| Maximum CPU Frequency | — | 300 MHz |
| Operating Voltage (VDDCORE) | — | 1.08 V to 1.32 V (1.2 V typical) |
| I/O Voltage (VDDIO) | — | 3.0 V to 3.6 V |
| Number of I/O Lines | — | 114 |
| External Bus Width | — | 16-bit data, 24-bit address |
| Operating Temperature Range | — | -40 C to +105 C (industrial) |
| PWM Channels | — | Multiple PWM outputs (see datasheet) |
| DAC | — | Yes |
| DMA Channels | — | Multiple DMA channels |
| Mounting Type | — | Surface Mount |
| MSL Level | — | 3 (per JEDEC J-STD-020) |
| Bit Width | — | 32-bit |