RXCTRL0 (0x16) – Receive control register 0

 

Bit

Field Name

Reset

R/W

 

15:14

-

0

W0

 

13:12

RXMIXBUF_CUR[1:0]

1

R/W

11:10 HIGH_LNA_GAIN[1:0]

0

R/W

9:8

MED_LNA_GAIN[1:0]

2

R/W

 

 

 

 

7:6

LOW_LNA_GAIN[1:0]

3

R/W

 

 

 

 

5:4

HIGH_LNA_CURRENT[1:0]

2

R/W

3:2

MED_LNA_CURRENT[1:0]

1

R/W

1:0

LOW_LNA_CURRENT[1:0]

1

R/W

CC2420

Description

Reserved, write as 0.

RX mixer buffer bias current.

0:690uA

1:980uA (nominal)

2:1.16mA

3:1.44mA

Controls current in the LNA gain compensation branch in AGC High gain mode.

0:Compensation disabled

1:100 µA compensation current

2:300 µA compensation current (Nominal)

3:1000 µA compensation current

Controls current in the LNA gain compensation branch in AGC Med gain mode.

Controls current in the LNA gain compensation branch in AGC Low gain mode

Controls main current in the LNA in AGC High gain mode

0:240 µA LNA current (x2)

1:480 µA LNA current (x2)

2:640 µA LNA current (x2)

3:1280 µA LNA current (x2)

Controls main current in the LNA in AGC Med gain mode

Controls main current in the LNA in AGC Low gain mode

SWRS041B

Page 67 of 89

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Image 67
Texas Instruments 3138 155 232931 manual RXCTRL0 0x16 Receive control register, RXMIXBUFCUR10