ATSAME70J21A-ANT vs ATSAME70J21B-AN Comparison
Detailed side-by-side comparison of ATSAME70J21A-ANT by Microchip Technology and ATSAME70J21B-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
ATSAME70J21A-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21A-ANT ✓ ActiveMicrochip Technology
ATSAME70J21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21B-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAME70J21A-ANT | ATSAME70J21B-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.60 | $14.05 |
| Core Architecture | ARM Cortex-M7 with FPU (single + double precision) | ARM Cortex-M7 with FPU |
| Maximum CPU Frequency | 300 MHz | — |
| Flash Memory | 2 MB (2048 Kbytes) | — |
| SRAM | 384 KB | 384 KB |
| Instruction Cache | 16 KB (4 KB + configurable 4 KB) | — |
| Supply Voltage | 1.2 V core / 3.3 V I/O (single 3.3 V rail via internal regulator) | 1.62 V to 3.6 V |
| Package | 64-LQFP (10x10 mm) | 64-pin LQFP (10x10 mm) |
| Pin Count | 64 | — |
| Operating Temperature | -40C to +85C (industrial) | -40 C to +105 C (industrial) |
| ADC | 12-bit, up to 2 Msps | 12-bit, up to [DATA_NEEDED: channel count] channels |
| USB | Hi-Speed USB 2.0 with on-chip PHY | USB 2.0 High-Speed with on-chip PHY |
| Ethernet | 10/100 Mbps GMAC (IEEE 1588) | 10/100 Mbps MAC with IEEE 1588 |
| CAN | 2x CAN-FD controllers | CAN-FD controller |
| External Bus Interface | 16-bit EBI for SDRAM/SRAM/NOR | — |
| Mounting Type | Surface Mount, Tape & Reel | Surface Mount |
| Operating Frequency | — | 300 MHz (max) |
| Program Memory | — | 2 MB (2M x 8) Flash |
| I/O Pins | — | [DATA_NEEDED: I/O count for 64-LQFP variant] |
| Cache | — | 16 KB I-cache + 16 KB D-cache |
| FPU | — | Single-precision hardware FPU |
| DSP Extensions | — | Yes (Arm SIMD) |
| MPU | — | Yes |
| RoHS Status | — | Compliant |
| Moisture Sensitivity Level | — | MSL 3 (per JEDEC J-STD-020) |