ATTINY461-20SU Atmel, ATTINY461-20SU Datasheet - Page 64
ATTINY461-20SU
Manufacturer Part Number
ATTINY461-20SU
Description
IC MCU AVR 4K FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATAVRMC321.pdf
(242 pages)
Specifications of ATTINY461-20SU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
2-Wire, SPI, USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Package
20SOIC
Device Core
AVR
Family Name
ATtiny
Maximum Speed
20 MHz
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY461-20SU
Manufacturer:
ATMEL
Quantity:
3 282
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ATtiny261/461/861
• 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.
2588E–AVR–08/10
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