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Atmega163(l) – Rainbow Electronics ATmega163L User Manual

Page 67

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ATmega163(L)

67

Table 28. UBR Settings at Various Crystal Frequencies in Double Speed Mode

1.0000 MHz

% Error

1.8432 MHz

% Error

2.0000 MHz

% Error

UBR = 51

0.2 UBR = 95

0.0 UBR = 103

0.2

UBR = 25

0.2 UBR = 47

0.0 UBR = 51

0.2

UBR = 12

0.2 UBR = 23

0.0 UBR = 25

0.2

UBR = 8

3.7 UBR = 15

0.0 UBR = 16

2.1

UBR = 6

7.5 UBR = 11

0.0 UBR = 12

0.2

UBR = 3

7.8 UBR = 7

0.0 UBR = 8

3.7

UBR = 2

7.8 UBR = 5

0.0 UBR = 6

7.5

UBR = 1

7.8 UBR = 3

0.0 UBR = 3

7.8

UBR = 1

22.9 UBR = 2

0.0 UBR = 2

7.8

UBR = 0

84.3 UBR = 1

0.0 UBR = 1

7.8

-

- UBR = 0

0.0 -

-

3.2768 MHz

% Error

3.6864 MHz

% Error

4.0000 MHz

% Error

UBR = 170

0.2 UBR = 191

0.0 UBR = 207

0.2

UBR = 84

0.4 UBR = 95

0.0 UBR = 103

0.2

UBR = 42

0.8 UBR = 47

0.0 UBR = 51

0.2

UBR = 27

1.6 UBR = 31

0.0 UBR = 34

0.8

UBR = 20

1.6 UBR = 23

0.0 UBR = 25

0.2

UBR = 13

1.6 UBR = 15

0.0 UBR = 16

2.1

UBR = 10

3.1 UBR = 11

0.0 UBR = 12

0.2

UBR = 6

1.6 UBR = 7

0.0 UBR = 8

3.7

UBR = 4

6.2 UBR = 5

0.0 UBR = 6

7.5

UBR = 3

12.5 UBR = 3

0.0 UBR = 3

7.8

UBR = 1

12.5 UBR = 1

0.0 UBR = 1

7.8

UBR = 0

12.5 UBR = 0

0.0 UBR = 0

7.8

7.3728 MHz

% Error

8.0000 MHz

% Error

UBR = 383

0.0 UBR = 416

0.1

UBR = 191

0.0 UBR = 207

0.2

UBR = 95

0.0 UBR = 103

0.2

UBR = 63

0.0 UBR = 68

0.6

UBR = 47

0.0 UBR = 51

0.2

UBR = 31

0.0 UBR = 34

0.8

UBR = 23

0.0 UBR = 25

0.2

UBR = 15

0.0 UBR = 16

2.1

UBR = 11

0.0 UBR = 12

0.2

UBR = 7

0.0 UBR = 8

3.7

UBR = 3

0.0 UBR = 3

7.8

UBR = 1

0.0 UBR = 1

7.8

UBR = 0

0.0 UBR = 0

7.8