SM1212E433 Semtech, SM1212E433 Datasheet - Page 65

• Manufacturer Part Number: SM1212E433
• Description: RF Module For SX1212
• Manufacturer: Semtech
• Series: -r
• Type: Transceiver, ISMr

Specifications of SM1212E433

• Frequency: 433MHz
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: SX1212E

The detailed description of the PKTParam register is given in Table 33.
Table 33: PKTParam Register Description
Name
Manchester_on
Payload_length
Node_adrs
Pkt_format
Preamble_size
Whitening_on
CRC_on
Adrs_filt
CRC_status
CRC_autoclr
Fifo_stby_access
Res
Rev 2 – June 18th, 2009
ADVANCED COMMUNICATIONS & SENSING
6.8. Packet Handling Parameters – PKTParam
Bits
7
7
4
2-1
6
5-0
6-0
7-0
6-5
3
0
7
Address
(d)
28
28
29
30
30
30
30
30
30
31
31
31
RW
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r
r/w
r/w
r/w
Description
Enable Manchester encoding/decoding:
0
1
If Pkt_format=0, payload length.
If Pkt_format=1, max length in Rx, not used in Tx.
(d): “0000000”
Node’s local address for filtering of received packets.
(d): 00h
Packet format:
0
1
Size of the preamble to be transmitted:
00
01
10
11
Whitening/dewhitening process:
0
1
CRC calculation/check:
0
1
Address filtering of received packets:
00
01
10
11
CRC check result for current packet (READ ONLY):
0
1
FIFO auto clear if CRC failed for current packet:
0
1
FIFO access in standby mode:
0
1
Reserved
(d): “000000”
on (d)
off
Write (d)
Read
off (d)
on
fixed length (d)
variable length
off (d)
on
off
on (d)
Fail
Pass
1 byte
2 bytes
3 bytes (d)
4 bytes
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off (d)
Node_adrs accepted, else rejected.
Node_adrs & 0x00 accepted, else rejected.
Node_adrs & 0x00 & 0xFF accepted, else rejected.
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SX1212