ATtiny84 Atmel Corporation, ATtiny84 Datasheet - Page 64

• Manufacturer Part Number: ATtiny84
• Manufacturer: Atmel Corporation

Specifications of ATtiny84

• Flash (kbytes): 8 Kbytes
• Pin Count: 14
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 6
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 12
• Ext Interrupts: 12
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

64
ATtiny24/44/84
Table 10-5.
Table 10-6.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
PA4/ADC4/USCK/SCL/T1/
PCINT4
0
0
USIWM1
USI_SCL_HOLD +
PORTA4) • DDA4
USIWM1 • DDA4
0
USI_PTOE
USISIE +
(PCINT4 • PCIE0) + ADC4D
USISIE +
(PCINT4 • PCIE0)
USCK/SCL/T1/PCINT4 input
ADC4 Input
Overriding Signals for Alternate Functions in PA4:PA2
Overriding Signals for Alternate Functions in PA1:PA0
PA1/ADC1/AIN0/PCINT1
0
0
0
0
0
0
0
PCINT1 • PCIE0 + ADC1D
PCINT1 • PCIE0
PCINT1 Input
ADC1/Analog Comparator Positive Input
PA3/ADC3/T0/PCINT3
0
0
0
0
0
0
0
PCINT3 • PCIE0
PCINT1 Input
ADC3 Input
(PCINT3 • PCIE0) + ADC3D
PA0/ADC0/AREF/PCINT0
RESET •
(REFS1 • REFS0 + REFS1 • REFS0)
0
RESET •
(REFS1 • REFS0 + REFS1 • REFS0)
0
RESET •
(REFS1 • REFS0 + REFS1 • REFS0)
0
0
PCINT0 • PCIE0 + ADC0D
PCINT0 • PCIE0
PCINT0 Input
ADC1 Input
Analog reference
PA2/ADC2/AIN1/PCINT2
0
0
0
0
0
0
0
PCINT3 • PCIE0
PCINT0 Input
ADC2/Analog Comparator
Negative Input
PCINT2 • PCIE + ADC2D
8006K–AVR–10/10