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Attiny26(l) – Rainbow Electronics ATtiny26L User Manual

Page 81

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81

ATtiny26(L)

1477B–AVR–04/02

Figure 49. ADC Timing Diagram, Single Conversion

Figure 50. ADC Timing Diagram, Free Running Conversion

Table 34. ADC Conversion Time

Condition

Sample & Hold (Cycles from

Start of Conversion)

Conversion

Time (Cycles)

Conversion

Time (µs)

Extended conversion

13.5

25

125 - 500

Normal conversions

1.5

13

65 - 260

1

2

3

4

5

6

7

8

9

10

11

12

13

MSB of Result

LSB of Result

ADC Clock

ADSC

ADIF

ADCH

ADCL

Cycle Number

1

2

One Conversion

Next Conversion

3

Sample & Hold

MUX and REFS
Update

Conversion

Complete

MUX and REFS
Update

11

12

13

MSB of Result

LSB of Result

ADC Clock

ADSC

ADIF

ADCH

ADCL

Cycle Number

1

2

One Conversion

Next Conversion

3

4

Conversion

Complete

Sample & Hold

MUX and REFS
Update