ATSAMS70Q21B-AN vs ATSAME70Q21A-CNT Comparison
Detailed side-by-side comparison of ATSAMS70Q21B-AN 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
ATSAMS70Q21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAMS70Q21B-AN ✓ ActiveMicrochip Technology
ATSAME70Q21A-CNT - 300MHz Cortex-M7 MCU, 2MB Flash, 144-LFBGA | Microchip
ATSAME70Q21A-CNT ✓ ActiveSpecification Comparison
| Parameter | ATSAMS70Q21B-AN | ATSAME70Q21A-CNT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.60 | $8.20 |
| Core Architecture | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Frequency | 300 MHz | — |
| Flash Memory | 2 MB (2048 KB) | 2048 KB (2 MB) |
| SRAM | 384 KB | 384 KB multi-port SRAM |
| Operating Voltage (VDDCORE) | 1.08 V to 1.32 V (1.2 V typical) | — |
| I/O Voltage (VDDIO) | 3.0 V to 3.6 V | — |
| Number of I/O Lines | 114 | — |
| External Bus Width | 16-bit data, 24-bit address | — |
| Operating Temperature Range | -40 C to +105 C (industrial) | — |
| Package | 144-LQFP (20x20 mm, 0.5 mm pitch) | 144-ball LFBGA, 10x10 mm |
| PWM Channels | Multiple PWM outputs (see datasheet) | — |
| ADC | High-speed ADC (see datasheet) | 12-bit SAR ADC (up to 24 channels) |
| DAC | Yes | — |
| DMA Channels | Multiple DMA channels | — |
| Mounting Type | Surface Mount | Surface Mount (BGA) |
| MSL Level | 3 (per JEDEC J-STD-020) | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant |
| Bit Width | 32-bit | — |
| Maximum CPU Clock | — | 300 MHz |
| Cache | — | 16 KB I-cache + 16 KB D-cache |
| Supply Voltage (VDDIO) | — | 1.8 V typical (range 1.62 V to 3.6 V per data) |
| Operating Temperature | — | -40C to +105C (industrial) |
| External Bus Interface | — | EBI up to 80 MHz, supports SDRAM/NOR/NAND/SRAM |
| USB | — | USB 2.0 High-Speed device/host/OTG |
| Ethernet | — | 10/100 Mbps MAC (MII/RMII interface) |
| CAN | — | 2x CAN-FD controllers |
| 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 |