ATtiny26 Atmel Corporation, ATtiny26 Datasheet - Page 180

• Manufacturer Part Number: ATtiny26
• Manufacturer: Atmel Corporation

Specifications of ATtiny26

• Flash (kbytes): 2 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 16
• Ext Interrupts: 11
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.12
• Eeprom (bytes): 128
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 3
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

ii
ATtiny26(L)
I/O Ports.............................................................................................. 41
Interrupts............................................................................................ 57
External Interrupt............................................................................... 62
Timer/Counters .................................................................................. 64
Watchdog Timer ................................................................................ 78
Universal Serial Interface – USI........................................................ 80
Analog Comparator ........................................................................... 91
Analog to Digital Converter .............................................................. 94
Idle Mode ............................................................................................................ 38
ADC Noise Reduction Mode............................................................................... 38
Power-down Mode.............................................................................................. 38
Standby Mode .................................................................................................... 39
Minimizing Power Consumption ......................................................................... 40
Introduction ......................................................................................................... 41
Ports as General Digital I/O ................................................................................ 41
Alternate Port Functions ..................................................................................... 46
Register Description for I/O Ports ....................................................................... 56
Interrupt Vectors ................................................................................................. 57
Interrupt Handling ............................................................................................... 58
Pin Change Interrupt .......................................................................................... 62
Timer/Counter0 Prescaler .................................................................................. 64
Timer/Counter1 Prescaler .................................................................................. 65
8-bit Timer/Counter0........................................................................................... 65
8-bit Timer/Counter1........................................................................................... 67
Overview............................................................................................................. 80
Register Descriptions ......................................................................................... 81
Functional Descriptions ...................................................................................... 85
Alternative USI Usage ........................................................................................ 90
Features ............................................................................................................. 94
Operation ............................................................................................................ 95
Prescaling and Conversion Timing ..................................................................... 96
Changing Channel or Reference Selection ........................................................ 98
ADC Noise Canceler Function............................................................................ 99
ADC Conversion Result...................................................................................... 99
Scanning Multiple Channels ............................................................................. 105
ADC Noise Canceling Techniques ................................................................... 105
Offset Compensation Schemes ........................................................................ 105
1477K–AVR–08/10