CC2400_08 Datasheet, PDF (73/84 Pages) Texas Instruments – 2.4 GHz Low-Power RF Transceiver

CC2400
Bit
3:2
Field Name
DATA_FORMAT[1:0]
1
MODULATION_FORMAT
0
TX_GAUSSIAN_FILTER
Reset R/W
0
R/W
0
R/W
1
R/W
Description
Selects line-coding format used during RX and TX operations.
00: NRZ
01: Manchester
10: 8/10 line-coding (Not applied to preambles or sync words)
11: Reserved
Modulation format of modem:
0: FSK/GFSK
1: Reserved
When this bit is set the data sent in TX is Gaussian filtered
before transmission enabling GFSK
GRDEC (0x21) - Generic Radio Decimation Control and Status
Bit
15:13
12
Field Name
-
IND_SATURATION
11:10 DEC_SHIFT[1:0]
9:8
CHANNEL_DEC[1:0]
7:0
DEC_VAL[7:0]
Reset R/W
0
W0
-
R
0
R/W
0
R/W
0
R/W
Description
Reserved, write as 0.
Signal indicates whether the accumulate-and-dump decimation
filters have saturated at some point since the last read. If
saturation occurs the DEC_SHIFT can be adjusted. The status
flag is cleared when reading the GRDEC register.
Controls extra shifts in decimation, for extra precision.
Decimation shift value:
2: -2
3: -1
0: 0
1: 1
Selects channel filter bandwidth.
00: 1 MHz (used for 1Mbps and 250 kbps datarates)
01: 500 kHz (used for 10 kbps data rate)
01: 250 kHz
11: 125 kHz
In combination with CHANNEL_DEC[1:0], DEC_VAL[7:0] is
used to program the data rate. See page 40 for a description.
PKTSTATUS (0x22) - Packet Mode Status
Bit
15:11
10
Field Name
-
SYNC_WORD_RECEIVED
Reset R/W
0
W0
0
R
9
CRC_OK
-
R
8
-
7:0
-
0
R
-
R
Description
Reserved, write as 0.
Indicates that the currently configured sync word has been
received since RX was turned on.
Indicates that the two next bytes available to be read from the
FIFO equal the CRC16 calculated over the bytes already read
from the FIFO.
Reserved for future use.
Reserved for future use.
SWRS042A
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