ATtiny261 Atmel Corporation, ATtiny261 Datasheet - Page 65

• Manufacturer Part Number: ATtiny261
• Manufacturer: Atmel Corporation

Specifications of ATtiny261

• Flash (kbytes): 2 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 4
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 16
• Ext Interrupts: 16
• 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: Yes
• Crypto Engine: No
• Sram (kbytes): 0.12
• Eeprom (bytes): 128
• 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: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

2588E–AVR–08/10
Table 10-4
shown in
Table 10-4.
Table 10-5.
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
Figure 10-5 on page
and
PA7/ADC6/AIN0/
PCINT7
0
0
0
0
0
0
0
PCINT7 • PCIE +
ADC6D
ADC6D
PCINT7
ADC6, AIN0
PA3/AREF/
PCINT3
0
0
0
0
0
0
0
PCINT3 •
PCIE
0
PCINT3
AREF
Overriding Signals for Alternate Functions in PA7:PA4
Overriding Signals for Alternate Functions in PA3:PA0
Table 10-5
PA2/ADC2/INT1/
USCK/SCL/PCINT2
0
0
USI_TWO_WIRE •
USIPOS
(USI_SCL_HOLD +
PORTB2) • DDB2 •
USIPOS
USI_TWO_WIRE •
DDRB2
0
USI_PTOE • USIPOS
PCINT2 • PCIE + INT1 +
ADC2D + USISIE •
USIPOS
ADC2D
USCK/SCL/INT1/ PCINT2
ADC2
relate the alternate functions of Port A to the overriding signals
61.
PA6/ADC5/AIN1/
PCINT6
0
0
0
0
0
0
0
PCINT6 • PCIE +
ADC5D
ADC5D
PCINT6
ADC5, AIN1
PA1/ADC1/DO/
PCINT1
0
0
0
0
USI_THREE_WI
RE • USIPOS
DO • USIPOS
0
PCINT1 • PCIE +
ADC1D
ADC1D
PCINT1
ADC1
PA5/ADC4/AIN2/
PCINT5
0
0
0
0
0
0
0
PCINT5 • PCIE +
ADC4D
ADC4D
PCINT5
ADC4, AIN2
PA0/ADC0/DI/SDA/
PCINT0
0
0
USI_TWO_WIRE •
USIPOS
(SDA + PORTB0) •
DDRB0 • USIPOS
USI_TWO_WIRE •
DDRB0 • USIPOS
0
0
PCINT0 • PCIE +
ADC0D + USISIE •
USIPOS
ADC0D
DI/SDA/PCINT0
ADC0
PA4/ADC3/ICP0/
PCINT4
0
0
0
0
0
0
0
PCINT4 • PCIE +
ADC3D
ADC3D
ICP0/PCINT4
ADC3
65