Atmega128rfa1 – Rainbow Electronics ATmega128RFA1 User Manual
Page 44
44
8266A-MCU Wireless-12/09
ATmega128RFA1
frame pending subfield in the received acknowledgement frame the transaction status is
set according to
The state diagram including the Extended Operating Mode states is shown in
. Yellow marked states represent the Basic Operating Mode; blue marked
states represent the Extended Operating Mode.
Figure 9-18. Extended Operating Mode State Diagram
2
S
LP
TR
=
1
L e g e n d :
B lu e : R e g iste r W rite to T R X _ S T A T E
R ed : C o n tro l sig n a ls v ia R e g is te r T R X P R
G re e n : E v e nt
B a sic O p e ra ting M o d e S ta te s
E xte n de d O p e ra tin g M o d e S ta te s
S
LP
TR
=
0
P
L
L_
O
N
R X _ O N
P L L _ O N
T R X _O F F
(C lo c k S ta te )
X O S C = O N
R
X
_O
N
S L E E P
(S le e p S ta te )
X O S C = O FF
F O R C E _ T R X _ O F F
(all m o d e s e xce p t S L E E P )
F ra m e
E n d
F ra m e
E n d
B U S Y _ T X
(T ra n s m it S ta te )
R X _ O N
(R x L is te n S ta te )
B U S Y _ R X
(R e c e iv e S ta te )
T
R
X
_O
FF
T
R
X
_O
FF
3
4
5
7
6
8
9
11
10
B U S Y _ R X _ A A C K
B U S Y _ T X _ A R E T
S H R
D e tec te d
T ran s -
a c tio n
F in is h e d
T
X
_
A
R
E
T
_
O
N
P
L
L
_
O
N
S L P T R = 1
o r
T X _ S T A R T
F ra m e
E n d
P
L
L
_
O
N
R
X
_
A
A
C
K
_
O
N
T
X
_
A
R
E
T
_
O
N
R
X
_
A
A
C
K
_
O
N
F rom / T o
T R X _O F F
F rom / T o
T R X _O F F
T R X R S T = 0
1 2
1 3
F O R C E _ P L L _ O N
1 4
S L P T R = 1
o r
T X _ S T A R T
S H R
D e te c te d
T X _ A R E T _ O N
R X _A A C K _ O N
P L L _ O N
(P L L S ta te )
see notes
R E S E T
(fro m a ll sta te s)
T R X R S T = 1
T
R
X
_
O
F
F
T
R
X
_
O
F
F
Note: