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Texas Instruments CC2500 - Page 63

Texas Instruments CC2500
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CC2500
S
WRS040
C
Page
63
of
89
0x07: PKTCTRL1
Packet
Automation C
ontrol
Bit
Field Name
Reset
R/W
Description
7:5
0 (000)
R/W
Preamble quality estimator threshold. The preamble quality
estimator increases an internal counter by one each t
ime a bit is
received that is different from the previous bit, and decreases the
counter by
8
each time a bit is received that is the same as the
last bit.
A threshol
d of 4
PQT for this counter is used to gate sync word
detection. When PQT=0 a sync word is always accepted.
4
Reserved
0
R0
3
CRC_AUTOFLUSH
0
R/W
Enable automa
tic flush of RX FIFO when CRC is
not OK. This
requires th
at only one packet is in the RX
FIFO
and that packet
length is limited to the RX FIFO size.
PKTCTRL0.CC2400_E
N
must
be 0 (default) for the CRC
auto
flush function to work correctly.
2
APPEND_STATUS
1
R/W
When enabled, two status bytes will be appended to the payload
of the packet. The status
bytes contain RSSI and LQI values, as
well as the CRC OK flag.
1:0
ADR_CHK[1:0]
0 (00)
R/W
Controls address check configuration of received packages.
Setting
Address check configuration
0 (00)
No address check
1 (01)
Address check, no broadcast
2 (10)
Address check and
0 (0x00) broadcast
3 (11)
Address check and
0 (0x00) and 255 (0xFF)
broadcast

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