ATtiny26 Atmel Corporation, ATtiny26 Datasheet - Page 21

• 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

1477K–AVR–08/10
Table 2. ATtiny26(L) I/O Space
Note:
All ATtiny26(L) I/O and peripheral registers are placed in the I/O space. The I/O locations are
accessed by the IN and OUT instructions transferring data between the 32 general purpose
working registers and the I/O space. I/O Registers within the address range $00 - $1F are
Address Hex
$2D ($4D)
$2C ($4C)
$1D ($3D)
$1C ($3C)
$0D ($2D)
$3A ($5A)
$2F ($4F)
$2E ($4E)
$2B ($4B)
$1E ($3E)
$1B ($3B)
$1A ($3A)
$0F ($2F)
$0E ($2E)
$39 ($59)
$38 ($58)
$35 ($55)
$34 ($54)
$33 ($53)
$32 ($52)
$31 ($51)
$30 ($50)
$29 ($29)
$21 ($41)
$19 ($39)
$18 ($38)
$17 ($37)
$16 ($36)
$08 ($28)
$07 ($27)
$06($26)
$05($25)
$04($24)
1. Reserved and unused locations are not shown in the table.
OSCCAL
TCCR1A
TCCR1B
PLLCSR
MCUCR
MCUSR
WDTCR
ADMUX
OCR1A
OCR1B
OCR1C
PORTB
ADCSR
TCCR0
PORTA
TCNT0
TCNT1
TIMSK
USIDR
USISR
USICR
EEDR
EECR
DDRA
DDRB
ACSR
ADCH
Name
EEAR
ADCL
GIFR
TIFR
PINA
PINB
Function
General Interrupt Flag Register
Timer/Counter Interrupt Mask Register
Timer/Counter Interrupt Flag Register
MCU Control Register
MCU Status Register
Timer/Counter0 Control Register
Timer/Counter0 (8-bit)
Oscillator Calibration Register
Timer/Counter1 Control Register A
Timer/Counter1 Control Register B
Timer/Counter1 (8-bit)
Timer/Counter1 Output Compare Register A
Timer/Counter1 Output Compare Register B
Timer/Counter1 Output Compare Register C
PLL Control and Status Register
Watchdog Timer Control Register
EEPROM Address Register
EEPROM Data Register
EEPROM Control Register
Data Register, Port A
Data Direction Register, Port A
Input Pins, Port A
Data Register, Port B
Data Direction Register, Port B
Input Pins, Port B
Universal Serial Interface Data Register
Universal Serial Interface Status Register
Universal Serial Interface Control Register
Analog Comparator Control and Status Register
ADC Multiplexer Select Register
ADC Control and Status Register
ADC Data Register High
ADC Data Register Low
(1)
(Continued)
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