Rainbow Electronics AT86RF230 - Manual (Page 17)

17
AT86RF230
5131A-ZIGB-06/14/06
2
TR
X
_O
FF
S
LP
_T
R
=1
Legend:
Blue: SPI Write to Register TRX_STATE (0x02)
Red: Control signals via IC Pin
Green: Event
S
LP
_T
R
=0
P
LL
_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
TR
X
_O
F
F
TR
X
_O
F
F
1
3
4
5 7
6
8
9
11
10
RX_ON_NOCLK
(Rx Listen Mode)
CLKM=OFF
SL
P_
TR
=1
S
LP
_T
R
=0 F
ra
m
e
S
ta
rt
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
T
X
_
A
R
E
T
_
O
N
P
L
L
_
O
N
TX_START
SLP_TR=1
Frame
End
R
X
_
O
N
R
X
_
A
A
C
K
_
O
N
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
F
ra
m
e
A
c
c
e
p
te
d
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
S
L
P
_
T
R
=
1
S
L
P
_
T
R
=
0
RST=0 12 13
Figure 5-1. Extended Operating Mode State Diagram