ATTINY261A-PU Atmel, ATTINY261A-PU Datasheet - Page 62
ATTINY261A-PU
Manufacturer Part Number
ATTINY261A-PU
Description
IC, MCU, 8BIT, 2K FLASH, 20PDIP
Manufacturer
Atmel
Datasheet
1.ATTINY461A-MU.pdf
(292 pages)
Specifications of ATTINY261A-PU
Controller Family/series
ATtiny
No. Of I/o's
16
Eeprom Memory Size
128Byte
Ram Memory Size
128Byte
Cpu Speed
20MHz
No.
RoHS Compliant
Core Size
8bit
Program Memory Size
2KB
Oscillator Type
External, Internal
Rohs Compliant
Yes
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ATtiny261A/461A/861A
• Port A, Bit 5 - ADC4/AIN2/PCINT5
• Port A, Bit 4 - ADC3/ICP0/PCINT4
• Port A, Bit 3 - AREF/PCINT3
• Port A, Bit 2 - ADC2/INT1/USCK/SCL/PCINT2
• Port A, Bit 1 - ADC1/DO/PCINT1
• Port A, Bit 0 - ADC0/DI/SDA/PCINT0
• ADC4: Analog to Digital Converter, Channel 4.
• AIN2: Analog Comparator Input. Configure the port pin as input with the internal pull-up
• PCINT5: Pin Change Interrupt source 5.
• ADC3: Analog to Digital Converter, Channel 3.
• ICP0: Timer/Counter0 Input Capture Pin.
• PCINT4: Pin Change Interrupt source 4.
• AREF: External analog reference for ADC. Pullup and output driver are disabled on PA3
• PCINT3: Pin Change Interrupt source 3.
• ADC2: Analog to Digital Converter, Channel 2.
• INT1: The PA2 pin can serve as an External Interrupt source 1.
• USCK: Three-wire mode Universal Serial Interface Clock.
• SCL: Two-wire mode Serial Clock for USI Two-wire mode.
• PCINT2: Pin Change Interrupt source 2.
• ADC1: Analog to Digital Converter, Channel 1.
• DO: Three-wire mode Universal Serial Interface Data output. Three-wire mode Data output
• PCINT1: Pin Change Interrupt source 1.
• ADC0: Analog to Digital Converter, Channel 0.
• DI: Data Input in USI Three-wire mode. USI Three-wire mode does not override normal port
• SDA: Two-wire mode Serial Interface Data.
• PCINT0: Pin Change Interrupt source 0.
switched off to avoid the digital port function from interfering with the function of the Analog
Comparator.
when the pin is used as an external reference or internal voltage reference with external
capacitor at the AREF pin.
overrides PORTA1 value and it is driven to the port when data direction bit DDA1 is set.
PORTA1 still enables the pull-up, if the direction is input and PORTA1 is set.
functions, so pin must be configure as an input for DI function.
8197B–AVR–01/10
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