CC2420Z-RTR1 datasheet(67/92 Pages) TI

67 / 92 page

CC2420

SWRS041B

Page 67 of 89

RXCTRL0 (0x16) – Receive control register 0

Bit

Field Name

Reset

R/W

Description

15:14

Reserved, write as 0.

13:12

RXMIXBUF_CUR[1:0]

R/W

RX mixer buffer bias current.

0: 690uA

1: 980uA (nominal)

2: 1.16mA

3: 1.44mA

11:10

HIGH_LNA_GAIN[1:0]

R/W

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

9:8

MED_LNA_GAIN[1:0]

R/W

Controls current in the LNA gain compensation branch in AGC

Med gain mode.

7:6

LOW_LNA_GAIN[1:0]

R/W

Controls current in the LNA gain compensation branch in AGC

Low gain mode

5:4

HIGH_LNA_CURRENT[1:0]

R/W

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)

3:2

MED_LNA_CURRENT[1:0]

R/W

Controls main current in the LNA in AGC Med gain mode

1:0

LOW_LNA_CURRENT[1:0]

R/W

Controls main current in the LNA in AGC Low gain mode

CC2420Z-RTR1 数据表(PDF) 67 Page - Texas Instruments

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