Details

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BUY ATSAME70Q21A-AN https://www.utsource.net/itm/p/12612295.html

Parameter	Description	Value
Device Type	Microcontroller	ATSAME70Q21A-AN
Package	LFBGA (144-pin)	144
Operating Voltage	Supply Voltage Range	1.62V to 3.63V
Clock Speed	Maximum CPU Frequency	300 MHz
Flash Memory	Program Memory Size	2 MB
RAM	Data Memory Size	384 KB
Temperature Range	Operating Temperature Range	-40掳C to +85掳C
I/O Pins	Number of I/O Pins	109
Analog-to-Digital Converter (ADC)	Number of ADC Channels and Resolution	12-bit, 16 channels
Digital-to-Analog Converter (DAC)	Number of DAC Channels and Resolution	12-bit, 2 channels
Timers	Number of Timers and Types	5 x 32-bit, 2 x 16-bit
Serial Communication Interfaces (SCI)	Number of SCI Interfaces	4
SPI	Number of SPI Interfaces	3
I2C	Number of I2C Interfaces	2
USB	USB Interface	USB 2.0 Full Speed
CAN	CAN Interface	2 x CAN 2.0B
Watchdog Timer	Watchdog Timer	Yes
Low Power Modes	Low Power Modes	Sleep, Deep Sleep, Standby
Interrupts	Number of Interrupt Vectors	128
Capacitance Touch Sensing	Capacitance Touch Sensing Channels	24
Package Dimensions	Package Dimensions (LxWxH)	10 mm x 10 mm x 1.0 mm
Weight	Weight	0.3 g

Instructions for Use

1. Power Supply:

   • Ensure the supply voltage is within the range of 1.62V to 3.63V.
   • Connect the VDD and VSS pins to the power source and ground, respectively.

2. Clock Configuration:

   • The microcontroller supports an internal RC oscillator and external crystal oscillators. Configure the clock source using the system control registers.

3. Flash and RAM Management:

   • The device has 2 MB of flash memory and 384 KB of RAM. Use the provided libraries or direct register manipulation to manage memory.

4. Peripheral Initialization:

   • Initialize the required peripherals (ADC, DAC, timers, UART, SPI, I2C, USB, CAN) by configuring their respective control registers.

5. Interrupt Handling:

   • Set up interrupt vectors and enable interrupts for the desired peripherals. Handle interrupts in the appropriate interrupt service routines (ISRs).

6. Low Power Modes:

   • Enter low power modes (Sleep, Deep Sleep, Standby) by configuring the power management registers. Ensure that wake-up sources are properly set up.

7. Capacitive Touch Sensing:

   • Use the capacitive touch sensing channels to detect touch events on capacitive sensors. Configure the touch sensing controller (TSC) and process the sensor data.

8. Programming and Debugging:

   • Use a JTAG or SWD interface for programming and debugging. Connect to the microcontroller using a debugger and programming tool compatible with the ATSAME70Q21A-AN.

9. Software Development:

   • Utilize development tools and IDEs such as Atmel Studio, ARM Keil, or IAR Embedded Workbench to write and compile your code.
   • Refer to the datasheet and reference manuals for detailed information on register configurations and peripheral usage.

10. Thermal Considerations:

    • Ensure proper thermal management by providing adequate heat dissipation, especially when operating at high frequencies or under heavy loads.

11. Electrostatic Discharge (ESD) Protection:

    • Handle the device with ESD precautions to avoid damage. Use grounded wrist straps and ESD-safe workstations.

12. Storage and Handling:

    • Store the device in a dry and cool environment. Follow recommended storage conditions to ensure long-term reliability.

(For reference only)