Details

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BUY ATMEGA88PA-AU https://www.utsource.net/itm/p/11249166.html

Parameter	Description	Value
Part Number	ATMEGA88PA-AU	-
Package Type	TQFP-32	-
Operating Voltage (VCC)	Supply Voltage Range	1.8V to 5.5V
Operating Temperature	Temperature Range	-40°C to +85°C
Flash Memory	Program Memory Size	8KB
EEPROM	EEPROM Size	512 Bytes
SRAM	Internal SRAM Size	1KB
Clock Speed	Maximum Clock Frequency	20MHz
I/O Pins	Number of I/O Pins	23
Timers/Counters	8-bit Timer/Counter	2
Timers/Counters	16-bit Timer/Counter	1
Analog-to-Digital Converter (ADC)	ADC Channels	8
Analog-to-Digital Converter (ADC)	Resolution	10-bit
Digital-to-Analog Converter (DAC)	DAC Channels	None
Serial Communication Interfaces	SPI, USART, TWI	Yes
Watchdog Timer	Watchdog Timer	Yes
Brown-out Detection	Brown-out Detection	Yes
Power Consumption	Active Mode (20MHz, 3.0V)	6.2mA
Power Consumption	Idle Mode (3.0V)	0.75mA
Power Consumption	Power-down Mode (3.0V)	0.1μA
Programming Interface	In-System Programming (ISP)	Yes
Package Dimensions	Package Size	7x7mm
Lead Finish	Lead Finish	Matte Tin

Instructions for Using ATMEGA88PA-AU

1. Power Supply:

   • Connect the V_CC pin to a power supply within the range of 1.8V to 5.5V.
   • Connect the GND pin to ground.

2. Clock Configuration:

   • Use an external crystal or oscillator for clocking if required, or configure the internal RC oscillator.
   • For external crystal, connect it between the XTAL1 and XTAL2 pins.

3. Programming:

   • Use an ISP programmer to program the device.
   • Connect the ISP programmer to the ISP header (MISO, MOSI, SCK, RESET, V_CC, GND).

4. Reset Pin:

   • The RESET pin can be used to reset the microcontroller. It should be pulled high to keep the device active.
   • A pull-up resistor is recommended for the RESET pin.

5. I/O Configuration:

   • Configure the I/O pins as input or output using the DDRx registers.
   • Set the initial state of the pins using the PORTx registers.

6. Timer/Counter Configuration:

   • Configure the 8-bit and 16-bit timers/counters using the TCCRnx registers.
   • Use the TCNTnx registers to set the initial count value.

7. ADC Configuration:

   • Enable the ADC by setting the ADEN bit in the ADCSRA register.
   • Select the ADC channel using the ADMUX register.
   • Start the conversion by setting the ADSC bit in the ADCSRA register.

8. Serial Communication:

   • Configure the USART, SPI, or TWI interfaces using the respective control and status registers.
   • Set the baud rate, data format, and other parameters as needed.

9. Watchdog Timer:

   • Enable the watchdog timer by setting the WDE bit in the WDTCSR register.
   • Set the watchdog timeout period using the WDP bits in the WDTCSR register.

10. Brown-out Detection:

    • Enable brown-out detection by setting the BOD level in the BODCR register.
    • The microcontroller will reset if the V_CC drops below the selected threshold.

11. Power Management:

    • Use the sleep modes (Idle, Power-down, etc.) to reduce power consumption.
    • Enter sleep mode by setting the appropriate bits in the MCUCR register.

12. Debugging:

    • Use the JTAG interface for debugging purposes.
    • Connect the JTAG pins (TMS, TCK, TDI, TDO, RESET) to a JTAG debugger.

For detailed information, refer to the ATMEGA88PA-AU datasheet and application notes provided by Microchip Technology.

(For reference only)