CC2430
Radio : Radio Registers
RXCTRL1H (0xDF0E)
Bit Name
Reset
R/W
Description
Reserved, read as 0.
7:6 -
0
1
R0
Controls reference bias current to RX band-pass filters:
5
4
RXBPF_LOCUR
RXBPF_MIDCUR
R/W
0 : 4 uA
1 : 3 uA (Default)
Controls reference bias current to RX band-pass filters:
0
R/W
0 : 4 uA (Default)
1 : 3.5 uA
LNA low gain mode setting in AGC low gain mode.
LNA low gain mode setting in AGC medium gain mode.
RX Mixers high gain mode setting in AGC high gain mode.
3
2
1
0
LOW_LOWGAIN
MED_LOWGAIN
HIGH_HGM
1
0
1
0
R/W
R/W
R/W
R/W
RX Mixers high gain mode setting in AGC medium gain
mode.
MED_HGM
RXCTRL1L (0xDF0F)
Bit
Name
Reset
R/W
Description
Selects varactor array setting in the LNA
7:6
LNA_CAP_ARRAY[1:0]
01
R/W
00 : OFF
01 : 0.1 pF (x2) (Nominal)
10 : 0.2 pF (x2)
11 : 0.3 pF (x2)
Control of the receiver mixers output current.
5:4
3:2
1:0
RXMIX_TAIL[1:0]
RXMIX_VCM[1:0]
01
01
10
R/W
R/W
R/W
00 : 12 µA
01 : 16 µA (Nominal)
10 : 20 µA
11 : 24 µA
Controls VCM level in the mixer feedback loop
00 : 8 µA mixer current
01 : 12 µA mixer current (Nominal)
10 : 16 µA mixer current
11 : 20 µA mixer current
Controls current in the mixer
RXMIX_CURRENT[1:0]
00 : 360 µA mixer current (x2)
01 : 720 µA mixer current (x2)
10 : 900 µA mixer current (x2) (Nominal)
11 : 1260 µA mixer current (x2)
CC2430 Data Sheet (rev. 2.1) SWRS036F
Page 191 of 211
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