CC2510Fx / CC2511Fx
SIDLE
Default state when the radio is not
receiving or transmitting..
Idle
SCAL
Used for calibrating frequency
synthesizer upfront (entering
receive or transmit mode can
then be done quicker).
Transitional state.
Manual freq.
synth. calibration
SRX or STX or SFSTXON
Frequency
synthesizer startup,
optional calibration,
settling
Frequency synthesizer is turned on, can optionally be
calibrated, and then settles to the correct frequency.
Transitional state.
SFSTXON
Frequency synthesizer is on,
ready to start transmitting.
Transmission starts very
quickly after receiving the
STX command strobe.
Frequency
synthesizer on
STX
SRX
STX
TXOFF_MODE=01
SFSTXON or RXOFF_MODE=01
STX or RXOFF_MODE=10
SRX or TXOFF_MODE=11
Transmit mode
Receive mode
TXOFF_MODE=00
RXOFF_MODE=00
Optional transitional state.
Transmission is
turned off and this
state is entered if
the RFD register
becomes empty in
the middle of a
packet.
Reception is turned
off and this state is
entered if the RFD
register overflows.
TX Overflow
RX Overflow
Optional freq.
synth. calibration
SIDLE
SIDLE
Idle
Figure 48: Simplified State Diagram
SWRS055F
Page 184 of 241
TI [ TEXAS INSTRUMENTS ]
