Datasheet

158
8197C–AVR–05/11
ATtiny261A/461A/861A
Note: 1. After switching to internal voltage reference the ADC requires a settling time of 1ms before
measurements are stable. Conversions starting before this may not be reliable. The ADC must
be enabled during the settling time.
2. Temperature sensor
100000
N/A
ADC0(PA0) ADC1(PA1) 20x/32x
100001 ADC0(PA0) ADC1(PA1) 1x/8x
100010 ADC1(PA1 ADC0(PA0) 20x/32x
100011 ADC1(PA1) ADC0(PA0) 1x/8x
100100
N/A
ADC1(PA1) ADC2(PA2) 20x/32x
100101 ADC1(PA1) ADC2(PA2) 1x/8x
100110 ADC2(PA2 ADC1(PA1) 20x/32x
100111 ADC2(PA2) ADC1(PA1) 1x/8x
101000
N/A
ADC2(PA2) ADC0(PA0) 20x/32x
101001 ADC2(PA2) ADC0(PA0) 1x/8x
101010 ADC0(PA0) ADC2(PA2) 20x/32x
101011 ADC0(PA0) ADC2(PA2) 1x/8x
101100
N/A
ADC4(PA5) ADC5(PA6) 20x/32x
101101 ADC4(PA5) ADC5(PA6) 1x/8x
101110 ADC5(PA6) ADC4(PA5) 20x/32x
101111 ADC5(PA6) ADC4(PA5) 1x/8x
110000
N/A
ADC5(PA6) ADC6(PA7) 20x/32x
110001 ADC5(PA6) ADC6(PA7) 1x/8x
110010 ADC6(PA7) ADC5(PA6) 20x/32x
110011 ADC6(PA7) ADC5(PA6) 1x/8x
110100
N/A
ADC6(PA7) ADC4(PA5) 20x/32x
110101 ADC6(PA7) ADC4(PA5) 1x/8x
110110 ADC4(PA5) ADC6(PA7) 20x/32x
110111 ADC4(PA5) ADC6(PA7) 1x/8x
111000
N/A
ADC0(PA0) ADC0(PA0) 20x/32x
111001 ADC0(PA0) ADC0(PA0) 1x/8x
111010 ADC1(PA1) ADC1(PA1) 20x/32x
111011 ADC2(PA2) ADC2(PA2) 20x/32x
111100
N/A
ADC4(PA5) ADC4(PA5) 20x/32x
111101 ADC5(PA6) ADC5(PA6) 20x/32x
111110 ADC6(PA7) ADC6(PA7) 20x/32x
111111 ADC11
(2)
N/A N/A N/A
Table 15-5. Input Channel Selections (Continued)
MUX[5:0]
Single-Ended
Input
Differential Input
GainPositive Negative