CC1150-RTR1 datasheet(42/67 Pages) TI

42 / 67 page

CC1150

SWRS037A

Page 42 of 60

25 Configuration Registers

The configuration of

CC1150 is done by

programming 8-bit registers. The configuration

data based on selected system parameters

are most easily found by using the SmartRF

Studio [11] software. Complete descriptions of

the registers are given in the following tables.

After chip reset, all the registers have default

values as shown in the tables. The optimum

value. After a reset, all registers that shall be

different from the default value therefore needs

to be programmed through the SPI interface.

There are 9 Command Strobe Registers, listed

in Table 25 Accessing these registers will

initiate the change of an internal state or

mode. There are 29 normal 8-bit Configuration

Registers, listed in Table 26. Many of these

registers are for test purposes only, and need

not be written for normal operation of

CC1150.

There are also 6 Status registers, which are

listed in Table 27. These registers, which are

read-only, contain information about the status

CC1150.

The TX FIFO is accessed through one 8-bit

the TX FIFO.

During the address transfer and while writing

to a register or the TX FIFO, a status byte is

returned. This status byte is described in Table

16 on page.20.

Table 28 summarizes the SPI address space.

Registers that are only defined on the

CC1101

transceiver are also listed.

CC1101 and CC1150

are register compatible, but registers and fields

only implemented in the transceiver always

contain 0 in

CC1150.

The address to use is given by adding the

base address to the left and the burst and

read/write bits on the top. Note that the burst

bit has different meaning for base addresses

above and below 0x2F.

Address

Strobe Name

Description

0x30

SRES

Reset chip.

0x31

SFSTXON

Enable and calibrate frequency synthesizer (if MCSM0.FS_AUTOCAL=1).

0x32

SXOFF

Turn off crystal oscillator.

0x33

SCAL

Calibrate frequency synthesizer and turn it off (enables quick start). SCAL can be strobed in

IDLE state without setting manual calibration mode (MCSM0.FS_AUTOCAL=0)

0x35

STX

Enable TX. Perform calibration first if MCSM0.FS_AUTOCAL=1.

0x36

SIDLE

Exit TX and turn off frequency synthesizer.

0x39

SPWD

Enter power down mode when CSn goes high.

0x3B

SFTX

Flush the TX FIFO buffer.

0x3D

SNOP

No operation. May be used to pad strobe commands to two bytes for simpler software.

Table 25: Command Strobes

CC1150-RTR1 Datasheet(PDF) 42 Page - Texas Instruments

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