CC2430 Datasheet, PDF (180/234 Pages) Texas Instruments – A True System-on-Chip solution for 2.4 GHz IEEE 802.15.4 / ZigBee-TM

CC2430
Voltage Regulator Off
RFPWR.RREG_RADIO_PD set high
RFPWR.RREG_RADIO_PD set low
Wait until voltage regulator
has powered up
RFIF.IRQ_RREG_ON = 1
All States
except Power Down (PD)
32 MHz Crystal Oscillator off
SLEEP.OSC_PD set low
CLKCON.OSC set low
Wait for the specified crystal oscillator
start-up time, or poll the
SLEEP.XOSC_STB status bit
SRFOFF
IDLE
[1]
All RX states
RX_CALIBRATE
[2 and 40]
12 symbol periods
later
rfeFacrialoemgdneaitdrioedncreeisvsed _or
RX_SFD_SEARCH
[3, 4, 5 and 6]
SFD
found
RX_FRAME
[16 and 40]
Automatic or manual
acknowledge request
TX_ACK_CALIBRATE
[48 and 55]
12 - 30 symbol
periods later
TX_ACK_PREAMBLE
[49, 50 and 51]
TX_CALIBRATE
[32]
8 or 12 symbol
periods later
TX_PREAMBLE
[34, 35 and 36]
Preamble and SFD
is transmitted
TX_FRAME
[37, 38 and 39]
TXFIFO Data
is transmitted
TX_ACK
[52, 53 and 54]
Acknowledge
completed
Figure 52: Radio control states
CC2430 PRELIMINARY Data Sheet (rev. 1.03) SWRS036A
Page 180 of 232