CC1021-RTR1 datasheet(21/92 Pages) TI

21 / 92 page

CC1021

SWRS045

Page 21 of 91

Configuration Overview

CC1021 can be configured to achieve the

optimum

performance

for

different

applications. Through the programmable

configuration registers the following key

parameters can be programmed:

• Receive / transmit mode

• RF output power

• Frequency synthesizer key parameters:

RF output frequency, FSK frequency

separation, crystal oscillator reference

frequency

• Power-down / power-up mode

• Crystal oscillator power-up / power-

down

• Data rate and data format (NRZ,

Manchester coded or UART interface)

• Synthesizer lock indicator mode

• Digital RSSI and carrier sense

• FSK / GFSK / OOK modulation

8.1.

Configuration Software

Chipcon provides users of CC1021 with a

software

program,

SmartRF

Studio

(Windows interface) that generates all

necessary

CC1021 configuration data

based on the user's selections of various

parameters. These hexadecimal numbers

will then be the necessary input to the

microcontroller for the configuration of

CC1021. In addition, the program will

provide the user with the component

values

needed

for

the

input/output

matching circuit, the PLL loop filter and the

LC filter.

Figure 5 shows the user interface of the

CC1021 configuration software.

Figure 5. SmartRF Studio user interface

Note: The CC1020/1070DK Development Kit with a fully assembled CC1020EMX Evaluation

Module together with the CC1021 specific software should be used for evaluation of the CC1021

transceiver.

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