Single-Chip Low Power RF Transceiver for Narrowband Systems ...
Single-Chip Low Power RF Transceiver for Narrowband Systems ...
Single-Chip Low Power RF Transceiver for Narrowband Systems ...
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Rese tCC102 0<br />
WakeupCC1020ToRx/<br />
WakeupCC1020ToTx<br />
SetupCC1020PD<br />
<strong>Power</strong> Off<br />
Turn on po wer<br />
Reset CC10 21<br />
MAIN: RX_ TX=0 , F_REG=0,<br />
PD_MODE=1, FS_ PD=1,<br />
XOSC_PD=1, BIA S_PD=1<br />
RESET_N=0<br />
RESET_N =1<br />
Program all n ecessary registers<br />
except MAIN and RESET<br />
Turn on crystal oscillator, bias<br />
generator and synthesizer<br />
successively<br />
Calibrate VCO and PLL<br />
MAIN: PD_MODE=1, FS_PD=1,<br />
XOSC_PD=1, BIAS_PD=1<br />
PA_POWER=00h<br />
<strong>Power</strong> Down mode<br />
Figure 30. Initializing sequence<br />
CC1021<br />
SWRS045B Page 55 of 89
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