ATSAME70J21A-AN vs ATSAME70J19B-AN Comparison
Detailed side-by-side comparison of ATSAME70J21A-AN by Microchip Technology and ATSAME70J19B-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-AN - 300MHz Cortex-M7 MCU, 2MB Flash, LQFP-64
ATSAME70J21A-AN ✓ ActiveMicrochip Technology
ATSAME70J19B-AN - 300MHz Cortex-M7 MCU, 512KB Flash, 64-LQFP
ATSAME70J19B-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAME70J21A-AN | ATSAME70J19B-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $10.30 | $9.42 |
| Core Architecture | ARM Cortex-M7 with FPU and DSP extensions | — |
| Maximum CPU Clock | 300 MHz | 300 MHz |
| Flash Memory | 2 MB (2M x 8) | 512 KB (512K x 8) |
| SRAM | 384 KB | 256 KB |
| Tightly Coupled Memory (TCM) | [DATA_NEEDED: TCM size] | — |
| Operating Voltage Range | 1.2 V core / 3.3 V I/O (per SAM E70 family) | — |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | -40C to +85C (industrial) | — |
| USB Interface | High-Speed USB 2.0 Device/Host PHY (integrated) | — |
| Ethernet | 10/100 Mbps GMAC (IEEE 1588) | — |
| CAN Interface | 2x CAN-FD controllers | — |
| ADC | 12-bit, up to 2 MSPS | — |
| Display Controller | TFT LCD controller (per SAM E70 family) | — |
| Cryptographic Accelerator | AES, SHA, TRNG (per SAM E70 family) | — |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| RoHS Status | Compliant | Compliant |
| Core | — | ARM Cortex-M7 with FPU |
| Instruction Cache | — | 16 KB |
| Data Cache | — | 16 KB |
| Operating Voltage | — | 1.7 V to 3.6 V |
| Operating Temperature | — | -40C to +105C (industrial) |
| A/D Converter | — | 12-bit AFE, up to 24 channels |
| D/A Converter | — | 12-bit DAC |
| Communication Interfaces | — | CAN-FD x2, USB HS, Ethernet MAC, UART, SPI, I2C, I2S |
| DMA | — | XDMAC with multiple channels |
| Security | — | TRNG, AES, secure boot support |
| Pin Count | — | 64 |