Details
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| Parameter | Description |
|---|---|
| Part Number | ATMEGA8515-16JU |
| Package Type | QFN (Quad Flat No-leads) |
| Pin Count | 44 |
| Operating Voltage (V) | 2.7 V to 5.5 V |
| Clock Speed | Up to 16 MHz |
| Flash Memory Size | 8 KB |
| EEPROM Size | 512 Bytes |
| SRAM Size | 1 KB |
| I/O Pins | 32 |
| ADC Channels | 8 channels, 10-bit resolution |
| UART | 1 |
| SPI | Yes |
| TWI/I2C | Yes |
| Timers | 2 x 8-bit, 1 x 16-bit |
| Watchdog Timer | Yes |
| Power Consumption | Low power consumption modes |
| Temperature Range | -40掳C to +85掳C |
Instructions for Use:
Power Supply: Ensure the supply voltage is within the specified range of 2.7V to 5.5V. Connect the appropriate decoupling capacitors close to the power pins to maintain stability.
Clock Configuration: The device supports both internal and external clock sources. For an external crystal or oscillator, connect it to the XTAL1 and XTAL2 pins. Configure the fuse bits according to your clock source selection.
Programming Interface: Use an ISP (In-System Programming) interface for programming the flash memory. Ensure proper connections to MISO, MOSI, SCK, and RESET pins.
Reset Pin: The RESET pin can be used to reset the microcontroller. It should have a pull-up resistor connected to VCC.
Analog-to-Digital Converter (ADC): To use the ADC, configure the ADMUX register to select the input channel and reference voltage. Initiate conversion by setting the ADSC bit in the ADCSRA register.
Serial Communication Interfaces: Configure UART, SPI, and TWI/I2C interfaces using their respective control registers. Refer to the datasheet for detailed configuration steps.
Timer/Counter Setup: Set up the timers using TCCRnA/B registers. Choose the mode of operation, prescaler, and compare match values as required.
Interrupt Handling: Enable global interrupts by setting the I-bit in the SREG register. Configure individual interrupt sources via their specific control registers.
Low Power Modes: Enter low power modes like Sleep Mode by configuring the MCUCR register and selecting the appropriate sleep mode. Wake up using external interrupts or watchdog timer.
Debugging: Utilize the debugWIRE interface for on-chip debugging. This requires minimal additional hardware and allows for real-time debugging over the RESET pin.
For more detailed information, refer to the official ATMEGA8515 datasheet provided by Atmel/Microchip.
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