ATSAME70J21B-AN vs ATSAME70J20B-AN Comparison
Detailed side-by-side comparison of ATSAME70J21B-AN 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
ATSAME70J21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21B-AN ✓ ActiveMicrochip Technology
ATSAME70J20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70J20B-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAME70J21B-AN | ATSAME70J20B-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $14.05 | $12.75 |
| Core Architecture | ARM Cortex-M7 with FPU | — |
| Operating Frequency | 300 MHz (max) | — |
| Program Memory | 2 MB (2M x 8) Flash | — |
| SRAM | 384 KB | — |
| Supply Voltage | 1.62 V to 3.6 V | — |
| I/O Pins | [DATA_NEEDED: I/O count for 64-LQFP variant] | — |
| Package | 64-pin LQFP (10x10 mm) | — |
| Operating Temperature | -40 C to +105 C (industrial) | -40 C to +105 C |
| Cache | 16 KB I-cache + 16 KB D-cache | — |
| FPU | Single-precision hardware FPU | — |
| DSP Extensions | Yes (Arm SIMD) | — |
| MPU | Yes | — |
| USB | USB 2.0 High-Speed with on-chip PHY | — |
| Ethernet | 10/100 Mbps MAC with IEEE 1588 | — |
| CAN | CAN-FD controller | — |
| ADC | 12-bit, up to [DATA_NEEDED: channel count] channels | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Moisture Sensitivity Level | MSL 3 (per JEDEC J-STD-020) | — |
| 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 |
| Instruction Cache | — | 16 KB |
| 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 |
| REACH Status | — | Compliant |