Atmel ATmega256RFR2 Manual page 11

ANT0
LNA
SW2
ANT1
8393CS-MCU Wireless-09/14
• 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. Extended Feature Application schematic
N2
PA
N1
SW1 B1
Pins TST & CLKI
must be connected
CX3
Although this example shows all additional hardware features combined, it is possible to
use all features separately or in various combinations.
CB2
V
DD
CB1
64 63 62 61 60 59
1
2
3
4
5
6 PF7
7 AVSS
8 RFP
9 RFN
10 AVSS
TST
11
RSTN
12
13 RSTON
14 PG0
15
16
17 18 19 20 21 22 23 24
CB3
XTAL
CX4
32kHz
ATmega256/128/64RFR2
Figure 4-2
CX1 CX2
XTAL
58 57 56 55 54 53 52 51
25 26 27 28 29 30 31 32
V
CB4 DD
below.
50 49
48
47
PE0 46
45
DVSS
DEVDD 44
PB7
43
42
41
40
39
38
37
PB0 36
DVSS 35
DEVDD
34
33 CLKI
11