11

8393CS-MCU Wireless-09/14

ATmega256/128/64RFR2

•

RX/TX Indicator using alternate pin function DIG3/4 at Port G and F

An

extended

feature

set

application

schematic

illustrating

the

use

of

the

ATmega256/128/64RFR2 Extended Feature Set, is shown in Figure 4-2 below.

Figure 4-2. Extended Feature Application schematic

8

7

6

5

4

3

2

1

17

18

19

20

21

22

23

24

56

57

58

59

60

61

62

63

AVSS

RFP

RFN

AVSS

TST

41

42

43

44

45

46

47

48

PB0

DVSS

PE0

PB7

CB3

CB4

RSTN

XTAL

CX1

CX2

CB1

CB2

25

26

27

28

29

30

31

32

16

14

13

12

11

10

9

15

64

54

55

49

50

51

52

53

33

34

35

36

37

38

39

40

RSTON

XTAL

32kHz

CX3

CX4

CLKI

DEVDD

DVSS

DEVDD

PF7

PG0

ANT0

ANT1

B1

SW1

SW2

PA

LNA

N1

N2

Pins TST & CLKI

must be connected

Although this example shows all additional hardware features combined, it is possible to

use all features separately or in various combinations.