ATSAME70Q21A-CN vs ATSAME70Q21B-CN Comparison
Detailed side-by-side comparison of ATSAME70Q21A-CN by Microchip Technology and ATSAME70Q21B-CN 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
ATSAME70Q21A-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21A-CN ✓ ActiveMicrochip Technology
ATSAME70Q21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21B-CN ✓ ActiveSpecification Comparison
| Parameter | ATSAME70Q21A-CN | ATSAME70Q21B-CN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $17.55 | $16.75 |
| Core | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Frequency | 300 MHz | — |
| Program Memory (Flash) | 2 MB (2048 KB) | — |
| SRAM | 384 KB | — |
| Instruction Cache (ICache) | 16 KB | — |
| Data Cache (DCache) | 16 KB | — |
| Operating Voltage | 1.62 V to 3.6 V | — |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +105 C |
| ADC | 12-bit, up to 2 MSPS (AFEC) | 12-bit, up to 2 MSPS, up to 24 channels |
| USB | Hi-Speed USB OTG with on-chip PHY | USB 2.0 High-Speed / Full-Speed with on-chip PHY |
| CAN | 2x CAN-FD | 2x CAN-FD controllers |
| Ethernet | 10/100 MAC with 1588 PTP | 10/100 MAC with 1588 PTP support (GMII/RMII/MII) |
| External Bus | 16-bit SDRAM interface | — |
| Package | 144-pin LFBGA 10x10 mm | 144-ball LFBGA, 10x10 mm, 0.8 mm pitch |
| Mounting Type | Surface Mount (BGA, 0.8 mm pitch) | Surface Mount (BGA) |
| MSL Level | [DATA_NEEDED: MSL level] | — |
| RoHS Status | Compliant | Compliant |
| Maximum CPU Clock | — | 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) |
| Other Peripherals | — | I2S, SSC, SPI, TWI (I2C), USART, QSPI, SDMMC, EBI, AFEC |