CC2431 Datasheet, PDF (11/15 Pages) Texas Instruments – System-on-Chip for 2.4 GHz ZigBee-TM / IEEE 802.15.4 with Location Engine

CC2431
Bit Name
7:5 -
4
EN
3
DONE
2
PARLD
1
REFLD
0
RUN
Reset R/W Description
00
R0
Reserved, read as 0.
0
R/W Enable location engine
0 Disable location engine
1 Enable location engine
0
R
Estimation completed. After 1 has been written to RUN, this
bit is cleared and then set to 1 when the estimated data is
ready.
0
R/W Load parameters. This bit shall be written as 1 before the
set of parameters are written to MEASPARM. Write 0 to this
bit after the last parameter has been written.
0
R/W Load reference coordinates. This bit shall be written as 1
before the set of coordinates are written to REFCOORD.
Write 0 to this bit after the last coordinate has been written.
0
R0W1 Location estimate start. This bit shall be written as 1 when
desired coordinates and parameters have been written to
REFCOORD and MEASPARM registers. Estimation
process starts when 1 is written to this bit. Always read as
0.
Table 6: Register LOCENG (0xDF57)
Bit Name
7:0 LOCX
Reset R/W Description
00h
R
Location estimate X coordinate.
Table 7: Register LOCX (0xDF58)
Bit Name
7:0 LOCY
Reset R/W Description
00h
R
Location estimate Y coordinate.
Table 8: Register LOCY (0xDF59)
Bit Name
7:0 LOCMIN
Reset
00h
R/W
R
Description
Location estimate minimum value
Table 9: Register LOCMIN (0xDF5A)
Bit Name
7:0 VERSION[7:0]
Reset
0x01
R/W
R
Description
Chip revision number
Table 10: Register CHVER (0xDF60)
Bit Name
7:0 CHIPID[7:0]
Reset
0x89
R/W
R
Description
Chip identification number. Always read as 0x89.
Table 11: Register CHIPID (0xDF61)
SWRS034
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