ATTINY261A-XUR Atmel, ATTINY261A-XUR Datasheet - Page 156

• Manufacturer Part Number: ATTINY261A-XUR
• Description: MCU AVR 2KB FLASH 20MHZ 20TSSOP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY261A-XUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

156
ATtiny261A/461A/861A
gain stage enables offset measurements. Selecting the single-ended channel ADC11 enables
the temperature sensor. Refer to
Table 15-5.
MUX5:0
000000
000001
000010
000011
000100
000101
000110
001000
001001
001010
001011
001100
001101
010000
010001
010010
010011
010100
010101
010110
011000
011001
011010
000111
001110
001111
010111
011011
011100
011101
011110
011111
Input Channel Selections
Single-Ended
ADC10 (PB7)
ADC0 (PA0)
ADC1 (PA1)
ADC2 (PA2)
ADC3 (PA4)
ADC4 (PA5)
ADC5 (PA6)
ADC6 (PA7)
ADC7 (PB4)
ADC8 (PB5)
ADC9 (PB6)
Input
1.1V
N/A
NA
NA
NA
0V
Table 15-5
ADC10 (PB7)
ADC10 (PB7)
ADC8 (PB5)
ADC8 (PB5)
ADC9 (PB6)
ADC0 (PA0)
ADC0 (PA0)
ADC1 (PA1)
ADC2 (PA2)
ADC2 (PA2)
ADC2 (PA2)
ADC3 (PA4)
ADC4 (PA5)
ADC4 (PA5)
ADC4 (PA5)
ADC4 (PA5)
ADC5 (PA6)
ADC6 (PA7)
ADC6 (PA7)
Positive
N/A
NA
for details.
Differential Input
ADC1 (PA1)
ADC1 (PA1)
ADC1 (PA1)
ADC5 (PA6)
ADC5 (PA6)
ADC9 (PB6)
ADC9 (PB6)
ADC9 (PB6)
ADC9 (PB6)
ADC9 (PB6)
ADC1 (PA1)
ADC1 (PA1)
ADC3 (PA4)
ADC3 (PA4)
ADC3 (PA4)
ADC3 (PA4)
ADC5 (PA6)
ADC5 (PA6)
ADC5 (PA6)
Negative
N/A
NA
8197B–AVR–01/10
Gain
N/A
20x
20x
20x
20x
20x
20x
20x
20x
20x
20x
20x
NA
1x
1x
1x
1x
1x
1x
1x
1x