CC2550 Datasheet, PDF (33/50 Pages) Texas Instruments – Single Chip Low Cost Low Power RF-Transmitter

CC2550
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 24: Command Strobes
Preliminary Data Sheet (rev. 1.1) SWRS039
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