CC113LRGPR datasheet(62/86 Pages) TI1

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CC113L

SWRS108B – MAY 2011 – REVISED JUNE 2014

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Table 5-47. 0x1B: AGCCTRL2 - AGC Control

Bit

Field Name

Reset

R/W

Description

Reduces the maximum allowable DVGA gain.

Setting

Allowable DVGA settings

0 (00)

All gain settings can be used

7:6

MAX_DVGA_GAIN[1:0]

0 (00)

R/W

1 (01)

The highest gain setting cannot be used

2 (10)

The 2 highest gain settings cannot be used

3 (11)

The 3 highest gain settings cannot be used

Sets the maximum allowable LNA + LNA 2 gain relative to the

maximum possible gain.

Setting

Maximum allowable LNA + LNA 2 gain

0 (000)

Maximum possible LNA + LNA 2 gain

Approximately 2.6 dB below maximum possible

1 (001)

gain

Approximately 6.1 dB below maximum possible

2 (010)

gain

Approximately 7.4 dB below maximum possible

5:3

MAX_LNA_GAIN[2:0]

0 (000)

R/W

3 (011)

gain

Approximately 9.2 dB below maximum possible

4 (100)

gain

Approximately 11.5 dB below maximum

5 (101)

possible gain

Approximately 14.6 dB below maximum

6 (110)

possible gain

Approximately 17.1 dB below maximum

7 (111)

possible gain

These bits set the target value for the averaged amplitude from

the digital channel filter (1 LSB = 0 dB).

Setting

Target amplitude from channel filter

0 (000)

24 dB

1 (001)

27 dB

2 (010)

30 dB

2:0

MAGN_TARGET[2:0]

3 (011)

R/W

3 (011)

33 dB

4 (100)

36 dB

5 (101)

38 dB

6 (110)

40 dB

7 (111)

42 dB

Table 5-48. 0x1C: AGCCTRL1 - AGC Control

Bit

Field Name

Reset

R/W

Description

Not used

Selects between two different strategies for LNA and LNA 2 gain

adjustment. When 1, the LNA gain is decreased first. When 0,

AGC_LNA_PRIORITY

R/W

the LNA 2 gain is decreased to minimum before decreasing LNA

gain.

Sets the relative change threshold for asserting carrier sense

Setting

Carrier sense relative threshold

0 (00)

Relative carrier sense threshold disabled

CARRIER_SENSE_REL_

5:4

0 (00)

R/W

THR[1:0]

1 (01)

6 dB increase in RSSI value

2 (10)

10 dB increase in RSSI value

3 (11)

14 dB increase in RSSI value

Detailed Description

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