SX1211
WIRELESS & SENSING
6.8. Packet Handling Parameters – PKTParam
The detailed description of the PKTParam register is given in Table 33.
Table 33: PKTParam Register Description
Name
Bits
Address
RW
Description
(d)
Manchester_on
7
28
r/w
Enable Manchester encoding/decoding:
0
1
off (d)
on
Payload_length
6-0
28
r/w
If Pkt_format=0, payload length.
If Pkt_format=1, max length in Rx, not used in Tx.
(d): “0000000”
Node_adrs
7-0
29
r/w
Node’s local address for filtering of received packets.
(d): 00h
Pkt_format
7
30
r/w
Packet format:
0
1
fixed length (d)
variable length
Preamble_size
6-5
30
r/w
Size of the preamble to be transmitted:
00
01
10
11
1 byte
2 bytes
3 bytes (d)
4 bytes
Whitening_on
4
30
r/w
Whitening/dewhitening process:
0
1
off (d)
on
CRC_on
3
30
r/w
CRC calculation/check:
0
1
off
on (d)
Adrs_filt
2-1
30
r/w
Address filtering of received packets:
00
01
10
11
off (d)
Node_adrs accepted, else rejected.
Node_adrs & 0x00 accepted, else rejected.
Node_adrs & 0x00 & 0xFF accepted, else rejected.
CRC_status
0
30
r
CRC check result for current packet (READ ONLY):
0
1
Fail
Pass
CRC_autoclr
7
31
r/w
FIFO auto clear if CRC failed for current packet:
0
1
on (d)
off
Fifo_stby_access
6
31
r/w
FIFO access in standby mode:
0
1
Write (d)
Read
Res
5-0
31
r/w
Reserved
(d): “000000”
Rev 8 – February 2013
Page 65 of 92
www.semtech.com
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