Details

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BUY N79E825ADG https://www.utsource.net/itm/p/12596493.html

Parameter	Description	Value
Part Number	Device Part Number	N79E825ADG
Package Type	Package Style	DIP-40, QFP-44
Operating Voltage	Supply Voltage Range	2.1V to 5.5V
Clock Frequency	Maximum Clock Frequency	24 MHz
Flash Memory	Program Memory Size	32KB
EEPROM	EEPROM Size	256 bytes
RAM	Data Memory Size	256 bytes
I/O Ports	Number of I/O Pins	32
Timers/Counters	Number of Timers/Counters	5
Watchdog Timer	Watchdog Timer Availability	Yes
Power Management	Low Power Modes	Idle, Power Down
Temperature Range	Operating Temperature Range	-40掳C to 85掳C
Communication Interfaces	Supported Communication Interfaces	UART, SPI, I2C
Analog-to-Digital Converter (ADC)	Number of ADC Channels and Resolution	8 channels, 10-bit
Digital-to-Analog Converter (DAC)	Number of DAC Channels and Resolution	2 channels, 8-bit
Brown-Out Detection	Brown-Out Detection Availability	Yes
Reset Pin	External Reset Pin Availability	Yes
Programmable Watchdog Timer	Programmable Watchdog Timer Availability	Yes
Programmable Brown-Out Detector	Programmable Brown-Out Detector Availability	Yes
Programmable Oscillator	Internal/External Oscillator Support	Yes

Instructions for Use

1. Power Supply:

   • Connect the VCC pin to the positive supply voltage (2.1V to 5.5V).
   • Connect the GND pin to the ground.

2. Clock Configuration:

   • Use the internal oscillator or connect an external crystal/ceramic resonator to the XTAL1 and XTAL2 pins for external clock sources.

3. Programming:

   • Use an in-circuit programmer or an external programmer to program the flash memory.
   • Ensure the programming voltage (VPP) is applied correctly if using an external programmer.

4. Reset:

   • Apply a low signal to the RESET pin to reset the microcontroller.
   • The microcontroller can also be reset using the watchdog timer or brown-out detector.

5. I/O Configuration:

   • Configure the I/O ports as input or output using the appropriate register settings.
   • Use pull-up resistors for inputs when necessary.

6. Communication Interfaces:

   • Configure the UART, SPI, and I2C interfaces using the respective control registers.
   • Set the baud rate and other communication parameters as required.

7. ADC and DAC:

   • Initialize the ADC and DAC modules by configuring the control registers.
   • Read from the ADC or write to the DAC as needed.

8. Timers/Counters:

   • Set up the timers/counters by configuring the prescaler and mode registers.
   • Use interrupts for timer events if required.

9. Low Power Modes:

   • Enter idle or power-down modes to reduce power consumption.
   • Use the watchdog timer to wake up from low power modes.

10. Brown-Out Detection:

    • Enable the brown-out detector to protect against low voltage conditions.
    • Configure the brown-out detection threshold as needed.

11. Watchdog Timer:

    • Enable and configure the watchdog timer to prevent system lockup.
    • Clear the watchdog timer periodically to prevent a reset.

12. Debugging:

    • Use in-circuit debugging tools to monitor and control the microcontroller during development.
    • Utilize breakpoints and single-step execution for debugging.

For detailed register configurations and specific programming examples, refer to the N79E825ADG datasheet and application notes provided by the manufacturer.

(For reference only)