ATSAME70J21A-ANT vs ATSAME70J20B-AN Comparison
Detailed side-by-side comparison of ATSAME70J21A-ANT by Microchip Technology and ATSAME70J20B-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
ATSAME70J20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70J20B-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAME70J21A-ANT | ATSAME70J20B-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M7 with FPU (single + double precision) | — |
| Maximum CPU Frequency | 300 MHz | — |
| Flash Memory | 2 MB (2048 Kbytes) | — |
| SRAM | 384 KB | — |
| Instruction Cache | 16 KB (4 KB + configurable 4 KB) | 16 KB |
| Supply Voltage | 1.2 V core / 3.3 V I/O (single 3.3 V rail via internal regulator) | — |
| Package | 64-LQFP (10x10 mm) | — |
| Pin Count | 64 | — |
| Operating Temperature | -40C to +85C (industrial) | -40 C to +105 C |
| ADC | 12-bit, up to 2 Msps | — |
| USB | Hi-Speed USB 2.0 with on-chip PHY | — |
| Ethernet | 10/100 Mbps GMAC (IEEE 1588) | — |
| CAN | 2x CAN-FD controllers | — |
| External Bus Interface | 16-bit EBI for SDRAM/SRAM/NOR | — |
| Mounting Type | Surface Mount, Tape & Reel | Surface Mount |
| Core Processor | — | ARM Cortex-M7 with FPU |
| Maximum Clock Frequency | — | 300 MHz |
| Program Memory Size | — | 1 MB (1M x 8) Flash |
| SRAM Size | — | 384 KB |
| Data Bus Width | — | 32-bit |
| Data Cache | — | 16 KB |
| ADC Resolution | — | 12-bit |
| ADC Channels | — | Up to 24 |
| Supply Voltage Range | — | 1.7 V to 3.6 V |
| Package / Case | — | 64-LQFP (10x10 mm) |
| Number of I/O | — | 114 |
| Connectivity | — | CAN-FD, Ethernet, USB 2.0 HS, SPI, I2C, USART |
| DMA Channels | — | 24 |
| RoHS Status | — | Compliant |
| REACH Status | — | Compliant |