 English |
|
|
|
|
|
|
|
| MRF24XA Datasheet, PDF (133/250 Pages) Texas Instruments – Low-Power, 2.4 GHz ISM-Band IEEE 802.15.4™ RF Transceiver with Extended Proprietary Features | |||
| |||
| ◁ |
Transmitter Side:
1
Description
Example
2
Description
Example
3
Description
Example
4
Description
Receiver Side:
1
Description
Example
2
Description
3
Description
Example
4
Description
Example
MRF24XA
TX Configuration:
SECEN = 0
CSMAEN = 0
ShortAddress: 0x1A1B
PID: 0x2C2D
Construct, download unprocessed frame
0C | 01 98 | A8 | 2C 2D | FF FF | 2C 2D | 1A 1B | FF | (no CRC)
Length = 12d + 2d (CRC) = 14d = 0x0E
FrameCtrl = 0x01 0x98 = lsb_0000_0001_1001_1000 (Data, SEC = 0, DA, SA Short
Addresses, ver2006)
Sequence = 0xA8
SA/DA PID = 0x2D2C
DA = 0xFFFF (broadcast)
SA = 0x1B1A (unicast)
MAC Payload = 0xFF
Set TXST: Launches transmission. CRC is appended.
Length is incremented accordingly.
0E | 01 98 | A8 | 2C 2D | FF FF | 2C 2D | 1A 1B | FF | A7 8E
CRC: 0xA7 0x8E
End of Transmission (No ACK Request, No CSMA): TXIF received. TXBUFEMPTY =
1
RX Configuration: SECEN = 0 (NWK), Security Suite
Address: Donât care.
RXSFDIF = 1 unless RXBUFFUL = 1
(If RXBUFFUL= 1 then RXSFDIF = 1; RXOVFIF = 1; no writing to buffer
RX Parsing and Filtering when frame reception is complete.
If duplicated packet then silently discarded
Else if packet filtered then RXFLTIF,
Otherwise RXIF = 1 (since SECEN = 0)
RXFILTER(@0x18) = 0x45
RXIF = 1. CRC is not valid for the decrypted frame.
0E | 01 98 | A8 | 2C 2D | FF FF | 2C 2D | 1A 1B | FF | A7 8E||RSVs
ï£ 2011-2013 Microchip Technology Inc.
Advanced
DS70005023B-page 133
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese