Details

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BUY ATMEGA128-16AI https://www.utsource.net/itm/p/1152041.html
ER 5C 5#16S PIN RECP

Parameter	Description
Package Type	TQFP (Thin Quad Flat Package)
Pins	64
Operating Voltage	2.7V to 5.5V
Clock Speed	Up to 16 MHz
Flash Memory	128 KB
EEPROM	4 KB
SRAM	4 KB
ADC Channels	8 channels, 10-bit resolution
Timers	3 timers: 2 x 8-bit, 1 x 16-bit
Serial Communication	SPI, UART, I2C
Interrupt Sources	External interrupts, pin change interrupts, watchdog timer
Temperature Range	-40°C to +85°C
I/O Lines	53 I/O lines
Power Consumption	Low power consumption modes (Idle, ADC noise reduction, Power-down, etc.)

Instructions for Use:

1. Power Supply Requirements:

   • Ensure the operating voltage is within the specified range of 2.7V to 5.5V.
   • Use appropriate decoupling capacitors near the power pins to stabilize the supply voltage.

2. Clock Configuration:

   • Choose an external crystal or resonator if using a frequency higher than the internal oscillator's capability.
   • Configure the clock source in the fuse bits as per the application requirement.

3. Programming and Debugging:

   • Use ISP (In-System Programming) interface for programming the device.
   • For debugging, use JTAG or debugWire interfaces supported by the ATmega128.

4. Peripheral Setup:

   • Initialize all peripherals used in the application (UART, SPI, I2C, ADC, Timers).
   • Configure the necessary registers for interrupt handling if required.

5. Low Power Modes:

   • Utilize sleep modes such as Idle, ADC Noise Reduction, Power-save, Standby, and Power-down to reduce power consumption.
   • Ensure that wake-up sources are properly configured before entering these modes.

6. Handling EEPROM:

   • Be cautious with EEPROM write operations due to limited write cycles (typically 100,000 cycles).
   • Use EEPROM only for data that needs to be retained across power cycles.

7. Pin Configuration:

   • Refer to the datasheet for specific pin functions and ensure correct configuration for each pin based on the application requirements.

8. Software Development:

   • Use AVR Studio or any compatible IDE for writing and compiling code.
   • Libraries and example codes are available from Atmel’s website for easier development.

9. Safety Considerations:

   • Ensure proper heat dissipation if running at maximum clock speeds or under heavy load conditions.
   • Follow ESD (Electrostatic Discharge) precautions when handling the IC to avoid damage.

For detailed information, always refer to the official ATmega128 datasheet provided by Microchip Technology.

(For reference only)