ATTINY861-20SU Atmel, ATTINY861-20SU Datasheet - Page 67

• Manufacturer Part Number: ATTINY861-20SU
• Description: IC MCU AVR 8K FLASH 20MHZ 20SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY861-20SU

• 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: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 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)
• Cpu Family: ATtiny
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: USI
• Total Internal Ram Size: 512Byte
• # I/os (max): 16
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 11-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: SOIC
• Processor Series: ATTINY8x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• 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, ATAVRMC320
• Minimum Operating Temperature: - 40 C
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRBC100 - 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

2588E–AVR–08/10
• Port B, Bit 6 – ADC9/ T0/ INT0/ PCINT14
• Port B, Bit 5 – XTAL2/ CLKO/ ADC8/ PCINT13
• Port B, Bit 4 – XTAL1/ CLKI/ OC1B/ ADC7/ PCINT12
• Port B, Bit 3 – OC1B/ PCINT11
• Port B, Bit 2 – SCK/ USCK/ SCL/ OC1B/ PCINT10
• ADC10: ADC input Channel 10. Note that ADC input channel 10 uses analog power.
• PCINT15: Pin Change Interrupt source 15.
• ADC9: ADC input Channel 9. Note that ADC input channel 9 uses analog power.
• T0: Timer/Counter0 counter source.
• INT0: The PB6 pin can serve as an External Interrupt source 0.
• PCINT14: Pin Change Interrupt source 14.
• XTAL2: Chip clock Oscillator pin 2. Used as clock pin for crystal Oscillator or Low-frequency
• CLKO: The divided system clock can be output on the PB5 pin, if the CKOUT Fuse is
• OC1D Output Compare Match output: The PB5 pin can serve as an external output for the
• ADC8: ADC input Channel 8. Note that ADC input channel 8 uses analog power.
• PCINT13: Pin Change Interrupt source 13.
• XTAL1/CLKI: Chip clock Oscillator pin 1. Used for all chip clock sources except internal
• OC1D: Inverted Output Compare Match output: The PB4 pin can serve as an external output
• ADC7: ADC input Channel 7. Note that ADC input channel 7 uses analog power.
• PCINT12: Pin Change Interrupt source 12.
• OC1B, Output Compare Match output: The PB3 pin can serve as an external output for the
• PCINT11: Pin Change Interrupt source 11.
• USCK: Three-wire mode Universal Serial Interface Clock.
• SCL: Two-wire mode Serial Clock for USI Two-wire mode.
• OC1B: Inverted Output Compare Match output: The PB2 pin can serve as an external output
• PCINT10: Pin Change Interrupt source 10.
crystal Oscillator. When used as a clock pin, the pin can not be used as an I/O pin.
programmed, regardless of the PORTB5 and DDB5 settings. It will also be output during
reset.
Timer/Counter1 Compare Match D when configured as an output (DDA1 set). The OC1D pin
is also the output pin for the PWM mode timer function.
calibrated RC Oscillator. When used as a clock pin, the pin can not be used as an I/O pin.
for the Timer/Counter1 Compare Match D when configured as an output (DDA0 set). The
OC1D pin is also the inverted output pin for the PWM mode timer function.
Timer/Counter1 Compare Match B. The PB3 pin has to be configured as an output (DDB3
set (one)) to serve this function. The OC1B pin is also the output pin for the PWM mode timer
function.
for the Timer/Counter1 Compare Match B when configured as an output (DDB2 set). The
OC1B pin is also the inverted output pin for the PWM mode timer function.
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