ATSAMS70Q21B-AN vs ATSAMS70Q20A-AN Comparison
Detailed side-by-side comparison of ATSAMS70Q21B-AN 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-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAMS70Q21B-AN ✓ ActiveMicrochip Technology
ATSAMS70Q20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAMS70Q20A-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAMS70Q21B-AN | ATSAMS70Q20A-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.60 | $9.52 |
| Core Architecture | ARM Cortex-M7 with FPU | — |
| Maximum CPU Frequency | 300 MHz | — |
| Flash Memory | 2 MB (2048 KB) | 1 MB (1024 KB) |
| SRAM | 384 KB | 384 KB |
| 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) | — |
| Package | 144-LQFP (20x20 mm, 0.5 mm pitch) | 144-pin LQFP (20x20 mm, 0.5 mm pitch) |
| PWM Channels | Multiple PWM outputs (see datasheet) | — |
| ADC | High-speed ADC (see datasheet) | 2x 12-bit AFEC, up to 1.5 Msps |
| DAC | Yes | — |
| DMA Channels | Multiple DMA channels | — |
| Mounting Type | Surface Mount | — |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| RoHS Status | Compliant | Compliant |
| Bit Width | 32-bit | — |
| Core | — | ARM Cortex-M7 with FPU (single + double precision) |
| 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 |
| 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 |
| CoreMark Score | — | 1500 |