CC1021-RTR1 datasheet(50/91 Pages) TI1

50 / 91 page

Power Down mode

Power Off

RESET_N=1

Calibrate VCO and PLL

Program all necessary registers

except MAIN and RESET

Turn on crystal oscillator, bias

generator and synthesizer

successively

Turn on power

Reset CC1021

MAIN: RX_TX=0, F_REG=0,

PD_MODE=1, FS_PD=1,

XOSC_PD=1, BIAS_PD=1

RESET_N=0

MAIN: PD_MODE=1, FS_PD=1,

XOSC_PD=1, BIAS_PD=1

PA_POWER=00h

Power Down mode

Power Off

RESET_N=1

Calibrate VCO and PLL

Program all necessary registers

except MAIN and RESET

Turn on crystal oscillator, bias

generator and synthesizer

successively

Turn on power

Reset CC1021

MAIN: RX_TX=0, F_REG=0,

PD_MODE=1, FS_PD=1,

XOSC_PD=1, BIAS_PD=1

RESET_N=0

MAIN: PD_MODE=1, FS_PD=1,

XOSC_PD=1, BIAS_PD=1

PA_POWER=00h

Not Recommended for New Designs NRND

CC1021

SWRS045D – JANUARY 2006 – REVISED JANUARY 2015

www.ti.com

From power-down mode to RX:

1. WakeUpCC1020ToRX

2. SetupCC1020RX

From power-down mode to TX:

1. WakeUpCC1020ToTX

2. SetupCC1020TX

Switching from RX to TX mode:

1. SetupCC1020TX

Switching from TX to RX mode:

1. SetupCC1020RX

Figure 5-27. Initializing Sequence

Detailed Description

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Product Folder Links: CC1021

CC1021-RTR1 Datasheet(PDF) 50 Page - Texas Instruments

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