Register 0x02 (TRX_STATE):
The radio transceiver states are controlled via register TRX_STATE using register bits
TRX_CMD. The read-only register bits TRAC_STATUS indicate the status or result of
an Extended Operating Mode transaction.
Figure 7-9 . Register TRX_STATE.
Bit
0x02
Read/Write
Reset value
Bit
0x02
Read/Write
Reset value
7
R
0
3
R/W
0
6
TRAC_STATUS
R
0
2
TRX_CMD
R/W
0
5
R
0
1
R/W
0
4
TRX_CMD
R/W
0
0
R/W
0
TRX_STATE
TRX_STATE
? Bit 4:0 - TRX_CMD
A write access to register bits TRX_CMD initiates a radio transceiver state transition.
Table 7-4. TRX_CMD.
Register Bits
Value
Description
TRX_CMD
0x00
0x02
(1)
(2)
NOP
TX_START
0x03
FORCE_TRX_OFF
0x04
(3)
FORCE_PLL_ON
0x06
0x08
0x09
RX_ON
TRX_OFF (CLK Mode)
PLL_ON (TX_ON)
0x16
0x19
(4)
(4)
RX_AACK_ON
TX_ARET_ON
All other values are reserved
Notes: 1.
2.
3.
4.
TRX_CMD = “0” after power on reset (POR).
The frame transmission starts one symbol after TX_START command.
FORCE_PLL_ON is not valid for states P_ON, SLEEP, and RESET, as well as
STATE_TRANSITION_IN_PROGRESS towards these states.
Extended Operating Mode only.
A write access to register bits TRX_CMD initiates a radio transceiver state transition
towards the new state.
These register bits are used for Basic and Extended Operating Mode, see Section 7.2 .
42
AT86RF232
8321A – MCU Wireless – 10/11
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