ATtiny84 Atmel Corporation, ATtiny84 Datasheet - Page 233

• 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

8006K–AVR–10/10
13 Timer/Counter Prescaler ..................................................................... 115
14 USI – Universal Serial Interface .......................................................... 117
15 Analog Comparator ............................................................................. 129
16 Analog to Digital Converter ................................................................ 132
17 debugWIRE On-chip Debug System .................................................. 151
12.7
12.8
12.9
12.10
12.11
13.1
13.2
13.3
14.1
14.2
14.3
14.4
14.5
15.1
15.2
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
16.10
16.11
16.12
16.13
17.1
Compare Match Output Unit ............................................................................94
Modes of Operation .........................................................................................96
Timer/Counter Timing Diagrams ...................................................................103
Accessing 16-bit Registers ............................................................................105
Register Description ......................................................................................108
Prescaler Reset .............................................................................................115
External Clock Source ...................................................................................115
Register Description ......................................................................................116
Features ........................................................................................................117
Overview ........................................................................................................117
Functional Descriptions .................................................................................118
Alternative USI Usage ...................................................................................124
Register Descriptions ....................................................................................124
Analog Comparator Multiplexed Input ...........................................................129
Register Description ......................................................................................130
Features ........................................................................................................132
Overview ........................................................................................................132
Operation .......................................................................................................133
Starting a Conversion ....................................................................................134
Prescaling and Conversion Timing ................................................................135
Changing Channel or Reference Selection ...................................................138
ADC Noise Canceler .....................................................................................139
Analog Input Circuitry ....................................................................................139
Noise Canceling Techniques .........................................................................140
ADC Accuracy Definitions .............................................................................140
ADC Conversion Result .................................................................................143
Temperature Measurement ...........................................................................144
Register Description ......................................................................................145
Features ........................................................................................................151
ATtiny24/44/84
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