RF_REG31

Bit Field

Read/Write

Field Name

Description

31:30

RW

RSSI_DETECT_RSSI_DET_CR_LEN

Number of samples to estimate the carrier offset (banked)

29:28

RW

RSSI_DETECT_RSSI_DET_WAIT

Symbols to wait after the RSSI detection (banked)

27:26

RW

RSSI_DETECT_RSSI_DET_DIFF_LL

Set the distance between the actual value and the subtracted one (banked)

25

RW

RSSI_DETECT_EN_ABS_RSSI_DETECT

Absolute RSSI detection (banked)

24

RW

RSSI_DETECT_EN_DIFF_RSSI_DETECT

Differential RSSI detection (banked)

23

RW

SUBBAND_CORR_SUBBAND_CORR_EN

Subband correction

22:20

RW

SUBBAND_CORR_SUBBAND_CORR_RX

Subband correction in Rx

18:16

RW

SUBBAND_CORR_SUBBAND_CORR_TX

Subband correction in Tx

11

RW

TXRX_CONF_INV_CLK_PLL_TX

Invert PLL clock when the radio is in Tx mode

10

RW

TXRX_CONF_INV_CLK_DIG_TX

Invert digital clock when the radio is in Tx mode

9:8

RW

TXRX_CONF_SB_WAIT_T_TX

Xor value to apply to sb_wait_t (register SUBBAND_CONF) when the radio is in Tx mode

7

RW

PA_RAMPUP_FULL_PA_RAMPUP

PA rampup configuration

6:4

RW

PA_RAMPUP_DEL_PA_RAMPUP

Time to wait to start the ramp-up after the PA enable is detected

3:2

RW

PA_RAMPUP_TAU_PA_RAMPUP

Time constant of the ramp-up/ramp-down

1

RW

PA_RAMPUP_EN_PA_RAMPDOWN

PA ramp-down

0

RW

PA_RAMPUP_EN_PA_RAMPUP

PA ramp-up linearization

Bit Field

Field Name

Value Symbol

Value Description

Hex Value

31:30

RSSI_DETECT_RSSI_DET_CR_LEN

RSSI_DETECT_RSSI_DET_CR_LEN_32

32 samples

0x0*

RSSI_DETECT_RSSI_DET_CR_LEN_64

64 samples

0x1

RSSI_DETECT_RSSI_DET_CR_LEN_128

128 samples

0x2

RSSI_DETECT_RSSI_DET_CR_LEN_256

256 samples

0x3

29:28

RSSI_DETECT_RSSI_DET_WAIT

RSSI_DETECT_RSSI_DET_WAIT_0

0 symbol

0x0*

RSSI_DETECT_RSSI_DET_WAIT_1

1 symbol

0x1

RSSI_DETECT_RSSI_DET_WAIT_2

2 symbols

0x2

RSSI_DETECT_RSSI_DET_WAIT_4

4 symbols

0x3

27:26

RSSI_DETECT_RSSI_DET_DIFF_LL

RSSI_DETECT_RSSI_DET_DIFF_LL_1

1 sample

0x0*

RSSI_DETECT_RSSI_DET_DIFF_LL_2

2 samples

0x1

RSSI_DETECT_RSSI_DET_DIFF_LL_3

3 samples

0x2

RSSI_DETECT_RSSI_DET_DIFF_LL_4

4 samples

0x3

25

RSSI_DETECT_EN_ABS_RSSI_DETECT

RSSI_DETECT_EN_ABS_RSSI_DETECT_DISABLE

Disable the absolute RSSI detection

0x0*

RSSI_DETECT_EN_ABS_RSSI_DETECT_ENABLE

Enable the absolute RSSI detection

0x1

24

RSSI_DETECT_EN_DIFF_RSSI_DETECT

RSSI_DETECT_EN_DIFF_RSSI_DETECT_DISABLE

Disable the differential RSSI detection

0x0*

RSSI_DETECT_EN_DIFF_RSSI_DETECT_ENABLE

Enable the differential RSSI detection

0x1

23

SUBBAND_CORR_SUBBAND_CORR_EN

SUBBAND_CORR_SUBBAND_CORR_EN_DISABLE

Disable the subband correction

0x0*

SUBBAND_CORR_SUBBAND_CORR_EN_ENABLE

Enable the subband correction

0x1

22:20

SUBBAND_CORR_SUBBAND_CORR_RX

SUBBAND_CORR_SUBBAND_CORR_RX_DEFAULT

0x0*

18:16

SUBBAND_CORR_SUBBAND_CORR_TX

SUBBAND_CORR_SUBBAND_CORR_TX_DEFAULT

0x0*

11

TXRX_CONF_INV_CLK_PLL_TX

TXRX_CONF_INV_CLK_PLL_TX_DISABLE

0x0*

TXRX_CONF_INV_CLK_PLL_TX_ENABLE

0x1

10

TXRX_CONF_INV_CLK_DIG_TX

TXRX_CONF_INV_CLK_DIG_TX_DISABLE

0x0*

TXRX_CONF_INV_CLK_DIG_TX_ENABLE

0x1

9:8

TXRX_CONF_SB_WAIT_T_TX

TXRX_CONF_SB_WAIT_T_TX_DEFAULT

0x0*

7

PA_RAMPUP_FULL_PA_RAMPUP

PA_RAMPUP_FULL_PA_RAMPUP_DISABLE

The PA rampup doesn't use the PA backoff enable bit

0x0

PA_RAMPUP_FULL_PA_RAMPUP_ENABLE

The PA rampup uses the PA backoff enable bit (from -40 dBm)

0x1*

6:4

PA_RAMPUP_DEL_PA_RAMPUP

PA_RAMPUP_DEL_PA_RAMPUP_DEFAULT

0x4*

3:2

PA_RAMPUP_TAU_PA_RAMPUP

PA_RAMPUP_TAU_PA_RAMPUP_DEFAULT

0x0*

1

PA_RAMPUP_EN_PA_RAMPDOWN

PA_RAMPUP_EN_PA_RAMPDOWN_DISABLE

Disable the PA ramp-down

0x0

PA_RAMPUP_EN_PA_RAMPDOWN_ENABLE

Enable the PA ramp-down

0x1*

0

PA_RAMPUP_EN_PA_RAMPUP

PA_RAMPUP_EN_PA_RAMPUP_DISABLE

Disable the PA ramp-up

0x0

PA_RAMPUP_EN_PA_RAMPUP_ENABLE

Enable the PA ramp-up

0x1*