CC2550-RTY1 datasheet(49/62 Pages) TI2

49 / 62 page

CC2550

SWRS039B

Page 49 of 58

0x29: FSTEST – Frequency Synthesizer Calibration Control

Bit

Field Name

Reset

R/W

Description

7:0

FSTEST[7:0]

(0x57)

R/W

For test only. Do not write to this register.

0x2A: PTEST – Production Test

Bit

Field Name

Reset

R/W

Description

PTEST[7:0]

127

(0x7F)

R/W

Writing 0xBF to this register makes the on-chip temperature sensor

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.

0x2C: TEST2 – Various Test Settings

Bit

Field Name

Reset

R/W

Description

7:0

TEST2[7:0]

152

(0x98)

R/W

The value to use in this register is given by the SmartRF® Studio

software [4].

0x2D: TEST1 – Various Test Settings

Bit

Field Name

Reset

R/W

Description

7:0

TEST1[7:0]

49 (0x31)

R/W

The value to use in this register is given by the SmartRF®

Studio software [4].

0x2E: TEST0 – Various Test Settings

Bit

Field Name

Reset

R/W

Description

7:2

TEST0[7:2]

2 (0x02)

R/W

The value to use in this register is given by the SmartRF®

Studio software [4].

VCO_SEL_CAL_EN

R/W

Enable VCO selection calibration stage when 1

TEST0[0]

R/W

The value to use in this register is given by the SmartRF®

Studio software [4].

28.2

Status Register Details

0x30 (0xF0): PARTNUM – Chip ID

Bit

Field Name

Reset

R/W

Description

7:0

PARTNUM[7:0]

130 (0x82)

Chip part number

0x31 (0xF1): VERSION – Chip ID

Bit

Field Name

Reset

R/W

Description

7:0

VERSION[7:0]

2 (0x02)

Chip version number

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