Details

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BUY ATTINY85-20SU https://www.utsource.net/itm/p/12608537.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	1.8	-	5.5	V	Operating voltage range
DC Current per I/O Pin	I_O	-	40	-	mA	Maximum current per I/O pin
Total DC Current	I_T	-	200	-	mA	Maximum total current from VCC and GND pins
Power Consumption	P_D	-	6	-	渭W/MHz	Power consumption at 3V, 1 MHz
Temperature Range	T_OP	-40	-	85	掳C	Operating temperature range
Flash Memory	F_M	8	-	-	KB	Size of flash memory
EEPROM	E_M	512	-	-	B	Size of EEPROM
SRAM	S_M	512	-	-	B	Size of SRAM
Clock Speed	f_CLK	-	20	-	MHz	Maximum clock frequency
Package Type	PKG	-	-	-	SOT-23-6	Package type

Instructions for ATTINY85-20SU

1. Power Supply Setup:

   • Ensure the supply voltage (VCC) is within the range of 1.8V to 5.5V.
   • Connect a decoupling capacitor (e.g., 0.1渭F) close to the VCC and GND pins to stabilize the power supply.

2. Clock Configuration:

   • The device can operate with an internal oscillator up to 20 MHz or use an external crystal/resonator if needed.
   • Configure the fuse bits using a programmer to set the desired clock source.

3. Programming:

   • Use an ISP (In-System Programming) programmer like USBasp or AVRISP mkII.
   • Set the appropriate programming speed and interface settings in your IDE (e.g., Arduino IDE, Atmel Studio).

4. Pin Configuration:

   • Refer to the datasheet for specific pin functions and configure them as required (input/output, analog/digital).
   • Be cautious not to exceed the maximum current ratings for any pin.

5. Operating Environment:

   • Operate within the specified temperature range (-40掳C to +85掳C) to ensure reliable performance.
   • Avoid exposing the device to excessive humidity or corrosive environments.

6. Power Management:

   • Utilize sleep modes to reduce power consumption when the microcontroller is idle.
   • Implement watchdog timers to reset the system if it becomes unresponsive.

7. Debugging:

   • Use debugging tools such as AVR Dragon or JTAGICE for troubleshooting code issues.
   • Monitor serial output or LED indicators for basic debugging during development.

(For reference only)