CC2550_13 Datasheet, PDF (49/61 Pages) Texas Instruments – Low-Cost Low-Power 2.4 GHz RF Transmitter

CC2550
0x29: FSTEST – Frequency Synthesizer Calibration Control
Bit Field Name
Reset R/W Description
7:0 FSTEST[7:0]
87
R/W For test only. Do not write to this register.
(0x57)
Bit Field Name
7 PTEST[7:0]
0x2A: PTEST – Production Test
Reset R/W Description
127
R/W Writing 0xBF to this register makes the on-chip temperature sensor
(0x7F)
available in the IDLE state. The default 0x7F value should then be
written back before leaving the IDLE state.
Other use of this register is for test only.
Bit Field Name
7:0 TEST2[7:0]
0x2C: TEST2 – Various Test Settings
Reset
152
(0x98)
R/W Description
R/W The value to use in this register is given by the SmartRF^® Studio
software [4].
Bit Field Name
7:0 TEST1[7:0]
0x2D: TEST1 – Various Test Settings
Reset
R/W Description
49 (0x31) R/W The value to use in this register is given by the SmartRF^®
Studio software [4].
Bit Field Name
7:2 TEST0[7:2]
1 VCO_SEL_CAL_EN
0 TEST0[0]
0x2E: TEST0 – Various Test Settings
Reset
2 (0x02)
1
1
R/W Description
R/W The value to use in this register is given by the SmartRF^®
Studio software [4].
R/W Enable VCO selection calibration stage when 1
R/W The value to use in this register is given by the SmartRF^®
Studio software [4].
28.2 Status Register Details
Bit Field Name
7:0 PARTNUM[7:0]
0x30 (0xF0): PARTNUM – Chip ID
Reset
R/W Description
130 (0x82) R
Chip part number
Bit Field Name
7:0 VERSION[7:0]
0x31 (0xF1): VERSION – Chip ID
Reset R/W Description
2 (0x02) R
Chip version number
SWRS039B
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