ATSAME70Q21B-CN vs ATSAME70Q21A-CNT Comparison
Detailed side-by-side comparison of ATSAME70Q21B-CN by Microchip Technology and ATSAME70Q21A-CNT 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
ATSAME70Q21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21B-CN ✓ ActiveMicrochip Technology
ATSAME70Q21A-CNT - 300MHz Cortex-M7 MCU, 2MB Flash, 144-LFBGA | Microchip
ATSAME70Q21A-CNT ✓ ActiveSpecification Comparison
| Parameter | ATSAME70Q21B-CN | ATSAME70Q21A-CNT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $16.75 | $8.20 |
| Core | ARM Cortex-M7 with FPU (single + double precision) | — |
| Maximum CPU Clock | 300 MHz | 300 MHz |
| CoreMark Score | 1284 | — |
| DMIPS | 600 | — |
| Program Flash | 2048 KB (2 MB) with ECC | — |
| Multi-Port SRAM | 384 KB | — |
| TCM (tightly-coupled memory) | Configurable portion of SRAM, zero-wait-state | — |
| Instruction / Data Cache | 16 KB ICache + 16 KB DCache | — |
| Supply Voltage (VDDIO) | 3.0 V to 3.6 V (3.3 V typical) | 1.8 V typical (range 1.62 V to 3.6 V per data) |
| Operating Temperature | -40 C to +105 C | -40C to +105C (industrial) |
| Package | 144-ball LFBGA, 10x10 mm, 0.8 mm pitch | 144-ball LFBGA, 10x10 mm |
| ADC | 12-bit, up to 2 MSPS, up to 24 channels | 12-bit SAR ADC (up to 24 channels) |
| USB | USB 2.0 High-Speed / Full-Speed with on-chip PHY | USB 2.0 High-Speed device/host/OTG |
| CAN | 2x CAN-FD controllers | 2x CAN-FD controllers |
| Ethernet | 10/100 MAC with 1588 PTP support (GMII/RMII/MII) | 10/100 Mbps MAC (MII/RMII interface) |
| Other Peripherals | I2S, SSC, SPI, TWI (I2C), USART, QSPI, SDMMC, EBI, AFEC | — |
| Mounting Type | Surface Mount (BGA) | Surface Mount (BGA) |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M7 with FPU (single + double precision) |
| Flash Memory | — | 2048 KB (2 MB) |
| SRAM | — | 384 KB multi-port SRAM |
| Cache | — | 16 KB I-cache + 16 KB D-cache |
| External Bus Interface | — | EBI up to 80 MHz, supports SDRAM/NOR/NAND/SRAM |
| Audio DAC | — | 16-bit, 2-channel on-chip audio DAC |
| AFEC | — | 24-bit Sigma-Delta (up to 8 channels) |
| Timers | — | Multiple TC, PWM, and 32-bit SysTick |
| Crypto / TRNG | — | Hardware AES and True Random Number Generator |
| MSL Level | — | 3 (per JEDEC J-STD-020) |