CC1100-RTR1 datasheet(83/100 Pages) TI1

83 / 100 page

CC1100

SWRS038D

Page 83 of 92

0x24: FSCAL2 – Frequency Synthesizer Calibration

Bit

Field Name

Reset

R/W

Description

7:6

Reserved

VCO_CORE_H_EN

R/W

Choose high (1) / low (0) VCO

4:0

FSCAL2[4:0]

10 (0x0A)

R/W

Frequency synthesizer calibration result register. VCO current calibration

result and override value

Fast frequency hopping without calibration for each hop can be done by

calibrating upfront for each frequency and saving the resulting FSCAL3,

FSCAL2

and FSCAL1 register values. Between each frequency hop,

calibration can be replaced by writing the FSCAL3, FSCAL2 and FSCAL1

0x25: FSCAL1 – Frequency Synthesizer Calibration

Bit

Field Name

Reset

R/W

Description

7:6

Reserved

5:0

FSCAL1[5:0]

32 (0x20)

R/W

Frequency synthesizer calibration result register. Capacitor array setting

for VCO coarse tuning.

Fast frequency hopping without calibration for each hop can be done by

calibrating upfront for each frequency and saving the resulting FSCAL3,

FSCAL2

and FSCAL1 register values. Between each frequency hop,

calibration can be replaced by writing the FSCAL3, FSCAL2 and FSCAL1

0x26: FSCAL0 – Frequency Synthesizer Calibration

Bit

Field Name

Reset

R/W

Description

Reserved

6:0

FSCAL0[6:0]

13 (0x0D)

R/W

Frequency synthesizer calibration control. The value to use in this

0x27: RCCTRL1 – RC Oscillator Configuration

Bit

Field Name

Reset

R/W

Description

Reserved

6:0

RCCTRL1[6:0]

65 (0x41)

R/W

RC oscillator configuration.

0x28: RCCTRL0 – RC Oscillator Configuration

Bit

Field Name

Reset

R/W

Description

Reserved

6:0

RCCTRL0[6:0]

0 (0x00)

R/W

RC oscillator configuration.

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