CC1150-RTR1 datasheet(11/67 Pages) TI1

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BIAS

XOSC_Q1 XOSC_Q2

XOSC

FREQ

SYNTH

RADIO CONTROL

RF_P

RF_N

CSn

SO (GDO1)

SCLK

GDO0 (ATEST)

RBIAS

CC1150

www.ti.com

SWRS037B – JANUARY 2006 – REVISED MARCH 2015

Detailed Description

5.1

Overview

The CC1150 transmitter is based on direct synthesis of the RF frequency. The frequency synthesizer

includes a completely on-chip LC VCO.

A crystal is to be connected to XOSC_Q1 and XOSC_Q2. The crystal oscillator generates the reference

frequency for the synthesizer, as well as clocks for the digital part. A 4-wire SPI serial interface is used for

configuration and data buffer access. The digital baseband includes support for channel configuration,

packet handling and data buffering.

5.2

Functional Block Diagram

Figure 5-1. CC1150 Simplified Block Diagram

5.3

Configuration Overview

CC1150 can be configured to achieve optimum performance for many different applications. Configuration

is done using the SPI interface. The following key parameters can be programmed:

•

Power-down and power-up mode

•

Crystal oscillator power up and power down

•

Transmit mode

•

RF channel selection

•

Data rate

•

Modulation format

•

RF output power

•

Data buffering with 64-byte transmit FIFO

•

Packet radio hardware support

•

Forward Error Correction with interleaving

•

Data Whitening

Details of each configuration register can be found in Section 5.20.

Figure 5-2 shows a simplified state diagram that explains the main CC1150 states, together with typical

usage and current consumption. For detailed information on controlling the CC1150 state machine, and a

complete state diagram, see Section 5.11.

Detailed Description

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