Manual

17
AT86RF230
5131A-ZIGB-06/14/06
2
T
R
X
_
O
F
F
S
L
P
_
T
R
=
1
Legend:
Blue: SPI Write to Register TRX_STATE (0x02)
Red: Control signals via IC Pin
Green: Event
S
L
P
_
T
R
=
0
P
L
L
_
O
N
RX_ON
PLL_ON
TRX_OFF
(Clock Mode)
XOSC=ON
Pull=OFF
R
X
_
O
N
P_ON
(Power-on after VDD)
XOSC=ON
Pull=ON
SLEEP
(Sleep Mode)
XOSC=OFF
Pull=OFF
(all modes except P_ON)
FORCE_TRX_OFF
(all modes except SLEEP)
Frame
Start
Frame
End
Frame
End
BUSY_TX
(Transmit Mode)
PLL_ON
(PLL Mode)
RX_ON
(Rx Listen Mode)
BUSY_RX
(Receive Mode)
CLKM=ON
TX_START
SLP_TR=1
T
R
X
_
O
F
F
T
R
X
_
O
F
F
1
3
4
57
6
8
9
11
10
RX_ON_NOCLK
(Rx Listen Mode)
CLKM=OFF
S
L
P
_
T
R
=
1
S
LP_TR=0
Frame
Start
CLKM=ON
TX_ARET_ON
(Auto Retry)
RX_AACK_ON
(Auto Acknowledge)
BUSY_RX_AACK
(Auto Acknowledge)
BUSY_TX_ARET
(Auto Retry)
Frame
Start
Trans-
action
Finished
RX_AACK_ON
TX_ARET_ON
TX_ARET_ON
PLL_ON
TX_START
SLP_TR=1
Frame
End
RX_ON
RX_AACK_ON
P
L
L
_
O
N
R
X
_
A
A
C
K
_
O
N
T
X
_
A
R
E
T
_
O
N
RX_AACK_
ON_NOCLK
(Auto Acknowledge)
BUSY_RX_
AACK_NOCLK
(Auto Acknowledge)
Frame
Start
Frame
Rejected
Frame
Accepted
R
X
_
O
N
T
X
_
A
R
E
T
_
O
N
R
X
_
A
R
E
T
_
O
N
From
TRX_OFF
From
TRX_OFF
SLP_TR=1
SLP_TR=0
RST=012 13
Figure 5-1. Extended Operating Mode State Diagram