The ATMEGA64L-8AU belongs to the Atmel (now part of Microchip) family of microcontrollers. This specific model is based on the AVR architecture, commonly used in various embedded applications.
Packaging of ATMEGA64L-8AU
The ATMEGA64L-8AU is typically available in the TQFP (Thin Quad Flat Package) form factor, specifically the 64-pin TQFP package. In this package, the microcontroller has a total of 64 pins that provide various functionalities such as I/O, power, clock, and communication interface s.
Pin Function Table for ATMEGA64L-8AU
Below is a detailed list of the pin functions of the ATMEGA64L-8AU based on its 64-pin TQFP packaging:
Pin No. Pin Name Function 1 VCC Supply voltage pin (3.0V - 5.5V). 2 GND Ground pin. 3 Port C0 (PC0) General I/O pin, ADC input (AIN0), Timer output. 4 Port C1 (PC1) General I/O pin, ADC input (AIN1), Timer output. 5 Port C2 (PC2) General I/O pin, ADC input (AIN2), Timer output. 6 Port C3 (PC3) General I/O pin, ADC input (AIN3), Timer output. 7 Port C4 (PC4) General I/O pin, ADC input (AIN4), Timer output. 8 Port C5 (PC5) General I/O pin, ADC input (AIN5), Timer output. 9 Port C6 (PC6) General I/O pin, ADC input (AIN6), Timer output. 10 Port C7 (PC7) General I/O pin, ADC input (AIN7), Timer output. 11 Reset Reset input. 12 Port D0 (PD0) General I/O pin, RXD for USART, external interrupt. 13 Port D1 (PD1) General I/O pin, TXD for USART, external interrupt. 14 Port D2 (PD2) General I/O pin, external interrupt INT0, Timer input. 15 Port D3 (PD3) General I/O pin, external interrupt INT1, Timer input. 16 Port D4 (PD4) General I/O pin, external interrupt INT2, Timer input. 17 Port D5 (PD5) General I/O pin, external interrupt INT3, Timer input. 18 Port D6 (PD6) General I/O pin, external interrupt INT4, Timer input. 19 Port D7 (PD7) General I/O pin, external interrupt INT5, Timer input. 20 Port B0 (PB0) General I/O pin, Timer input, SCK pin for SPI. 21 Port B1 (PB1) General I/O pin, Timer input, MISO pin for SPI. 22 Port B2 (PB2) General I/O pin, Timer input, MOSI pin for SPI. 23 Port B3 (PB3) General I/O pin, Timer input, SS pin for SPI. 24 Port B4 (PB4) General I/O pin, ADC input (AIN8), TWI SDA pin. 25 Port B5 (PB5) General I/O pin, ADC input (AIN9), TWI SCL pin. 26 Port B6 (PB6) General I/O pin, OC0 output, TWI SCL pin. 27 Port B7 (PB7) General I/O pin, OC1A output, TWI SDA pin. 28 VCC Supply voltage pin (3.0V - 5.5V). 29 GND Ground pin. 30 Port A0 (PA0) General I/O pin, ADC input, Timer output. 31 Port A1 (PA1) General I/O pin, ADC input, Timer output. 32 Port A2 (PA2) General I/O pin, ADC input, Timer output. 33 Port A3 (PA3) General I/O pin, ADC input, Timer output. 34 Port A4 (PA4) General I/O pin, ADC input, Timer output. 35 Port A5 (PA5) General I/O pin, ADC input, Timer output. 36 Port A6 (PA6) General I/O pin, ADC input, Timer output. 37 Port A7 (PA7) General I/O pin, ADC input, Timer output. 38 Port E0 (PE0) General I/O pin, external interrupt INT6, Timer input. 39 Port E1 (PE1) General I/O pin, external interrupt INT7, Timer input. 40 Port E2 (PE2) General I/O pin, external interrupt INT8, Timer input. 41 Port E3 (PE3) General I/O pin, external interrupt INT9, Timer input. 42 Port E4 (PE4) General I/O pin, external interrupt INT10, Timer input. 43 Port E5 (PE5) General I/O pin, external interrupt INT11, Timer input. 44 Port E6 (PE6) General I/O pin, external interrupt INT12, Timer input. 45 Port E7 (PE7) General I/O pin, external interrupt INT13, Timer input. 46 Port F0 (PF0) General I/O pin, ADC input (AIN10), Timer input. 47 Port F1 (PF1) General I/O pin, ADC input (AIN11), Timer input. 48 Port F2 (PF2) General I/O pin, ADC input (AIN12), Timer input. 49 Port F3 (PF3) General I/O pin, ADC input (AIN13), Timer input. 50 Port F4 (PF4) General I/O pin, ADC input (AIN14), Timer input. 51 Port F5 (PF5) General I/O pin, ADC input (AIN15), Timer input. 52 Port F6 (PF6) General I/O pin, ADC input (AIN16), Timer input. 53 Port F7 (PF7) General I/O pin, ADC input (AIN17), Timer input. 54 Port G0 (PG0) General I/O pin, external interrupt INT14, Timer input. 55 Port G1 (PG1) General I/O pin, external interrupt INT15, Timer input. 56 Port G2 (PG2) General I/O pin, external interrupt INT16, Timer input. 57 Port G3 (PG3) General I/O pin, external interrupt INT17, Timer input. 58 Port G4 (PG4) General I/O pin, external interrupt INT18, Timer input. 59 Port G5 (PG5) General I/O pin, external interrupt INT19, Timer input. 60 Port G6 (PG6) General I/O pin, external interrupt INT20, Timer input. 61 Port G7 (PG7) General I/O pin, external interrupt INT21, Timer input. 62 AVCC Analog power supply pin. 63 AREF Analog reference pin. 64 GND Ground pin.FAQ (Frequently Asked Questions)
1. What is the supply voltage range for the ATMEGA64L-8AU? The supply voltage range for the ATMEGA64L-8AU is from 3.0V to 5.5V.
2. How many pins are available on the ATMEGA64L-8AU? The ATMEGA64L-8AU has a total of 64 pins.
3. Can the ATMEGA64L-8AU be used for both digital and analog applications? Yes, the ATMEGA64L-8AU features both digital I/O pins and analog inputs for ADC conversion.
4. What is the maximum clock speed for the ATMEGA64L-8AU? The ATMEGA64L-8AU operates with a maximum clock speed of 8MHz.
5. How do I reset the ATMEGA64L-8AU? You can reset the ATMEGA64L-8AU by applying a low logic level to the Reset pin.
6. What is the function of the USART pins (PD0, PD1)? The USART pins (PD0, PD1) are used for serial communication. PD0 is RXD, and PD1 is TXD.
7. Can I use the ATMEGA64L-8AU in an interrupt-driven application? Yes, the ATMEGA64L-8AU supports external interrupts, which can be used to trigger an interrupt service routine.
8. How many general-purpose I/O pins are available on the ATMEGA64L-8AU? The ATMEGA64L-8AU provides several general-purpose I/O pins across different ports (A, B, C, D, etc.).
9. What is the role of the ADC pins on the ATMEGA64L-8AU? The ADC pins (PA0 to PA7) allow the ATMEGA64L-8AU to receive analog inputs for conversion to digital values.
10. What communication protocols are supported by the ATMEGA64L-8AU? The ATMEGA64L-8AU supports SPI, TWI (I2C), and USART communication protocols.
(Additional FAQs can be added in a similar format to cover a variety of common user questions.)
This explanation provides a thorough overview of the ATMEGA64L-8AU’s pinout, function, and common queries regarding its usage.