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ATSAME70Q19B-CNT
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLSH 144LFBGA
- Series：SAM E70
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：114
- Program Memory Size：512KB (512K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：256K x 8
- Voltage - Supply (Vcc/Vdd)：1.7V ~ 3.6V
- Data Converters：A/D 24x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：144-LFBGA (10x10)
- Package / Case：144-LFBGA
- Grade：-
- Qualification：-
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Overview
The ATSAME70Q19B-CNT is a Microchip Technology microcontroller from the SAM E70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 512KB of Flash memory and 256KB of SRAM within a 144-LFBGA package. The device supports a supply voltage range of 1.7V to 3.6V and includes extensive connectivity options such as Ethernet, USB, CANbus, and multiple SPI/I2C interfaces. It also provides 24-channel 12-bit ADCs and dual 12-bit DACs for analog applications.
Feature Summary
- High-performance processing via ARM Cortex-M7 core with integrated DSP and FPU capabilities
- Comprehensive peripheral set including Ethernet MAC, USB OTG, and CAN-FD controllers
- Integrated analog front-end with high-resolution ADCs and DACs for sensor interfacing
Applications
- Industrial motor control systems requiring precise timing and analog feedback
- Human-machine interface (HMI) panels with graphical display support
- Smart metering devices utilizing advanced communication protocols
Procurement Notes
Verify the specific suffix 'CNT' against official Microchip documentation to confirm tape-and-reel packaging status, as datasheets often list 'CN' or 'CFN'. Ensure compatibility with required moisture sensitivity levels and reflow soldering profiles specified in the latest product change notices. Confirm RoHS compliance details directly with the manufacturer's current certification records.
Selection Notes
Select this component when a balance of moderate memory capacity and rich peripheral integration is required. It is suitable for designs needing Ethernet and USB connectivity without the higher cost or complexity of larger flash variants. Consider the 144-pin LFBGA package constraints for PCB layout and thermal management during the initial design phase.
Part Context
This part belongs to the SAM E70 family, designed for high-performance embedded applications. It shares architectural similarities with the S70 and V70 series but offers distinct peripheral configurations tailored for general-purpose industrial and commercial use cases. The family emphasizes code protection and security features alongside processing power.
Replacement Considerations
ATSAME70Q19A-CN: Similar specifications with potential minor revision differences; verify pinout and errata. ATSAMS70Q19B-CN: Part of the S70 family with enhanced safety features; check functional equivalence for critical applications.
