Rainbow Electronics AT86RF231 - Manual (Page 46)

46
8111A–AVR–05/08
AT86RF231
Register 0x02 (TRX_STATE):
The radio transceiver states are controlled via register bits TRX_CMD, which receives the state
transition commands.
This register is used for Basic and Extended Operating Mode, refer to Section 7.2 “Extended
Operating Mode” on page 47 .
• Bit [7:5] - TRAC_STATUS
Refer to Section 7.2.7 “Register Description - Control Registers” on page 68 .
• Bit [4:0] - TRX_CMD
A write access to register bits TRX_CMD initiate a radio transceiver state transition towards the
new state as defined by the write access:
Notes: 1. FORCE_PLL_ON is not valid for states SLEEP, P_ON, RESET, TRX_OFF, and all *_NOCLK
states, as well as STATE_TRANSITION_IN_PROGRESS towards these states.
2. Extended Operating Mode only, refers to Section 7.2.7 “Register Description - Control Regis-
ters” on page 68 .
Bit 7 6 5 4 3 2 1 0
+0x02 TRAC_STATUS TRX_CMD TRX_STATE
Read/Write R R R R/W R/W R/W R/W R/W
Reset Value 0 0 0 0 0 0 0 0
Table 7-4. State Control Command, Register Bits TRX_CMD
Register Bit Value State Description
TRX_CMD 0x00 NOP
0x02 TX_START
0x03 FORCE_TRX_OFF
0x04 (1) FORCE_PLL_ON
0x06 RX_ON
0x08 TRX_OFF (CLK Mode)
0x09 PLL_ON (TX_ON)
0x16 (2) RX_AACK_ON
0x19 (2) TX_ARET_ON
All other values are reserved and mapped to NOP