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RF Core Data Memory
Table 25-4. RAM-Based Registers (continued)
Name
Addr
Prot
Description
Configure radio hardware
Bits 0
–
1:
RXCAP
00: Do not capture on Rx packets
01: Capture start of every Rx packet
10: Capture end of every Rx packet
11: Capture start of first Rx packet only
Bits 2
–
3:
TXCAP
00: Do not capture on Tx packets
01: Capture start of every Tx packet
10: Capture end of every Tx packet
11: Capture start of first Tx packet only
Bits 4
–
5:
TXIF
: Tx IF configuration (for 2 Mbps
only)
0x607E
Sem0
PRF_RADIO_CONF
00: Zero IF
01:
±
1 MHz IF
10:
±
2 MHz IF
11:
±
3 MHz IF
Bit 6:
DCOFF
: Special dc offset handling
0: Standard dc offset
1: Use special dc offset routine measuring dc offset
right after Rx start
Bit 7:
DCWB
: Write back dc offset estimate to
override registers
0: Do not write back
1: Write back after each received packet with CRC
OK
0x607F
None
Reason why LLE ended task
PRF_ENDCAUSE
Table 25-5. Address Structure for Auto Mode
Name
Index
Prot
Description
Bit 0:
ENA0
(Enable for primary sync word
–
Rx task only)
0: Disable address entry for primary sync word
1: Enable address entry for primary sync word
Bit 1:
ENA1
(Enable for secondary sync word
–
Rx task only)
0: Disable address entry for secondary sync word
1: Enable address entry for secondary sync word
Bit 2:
REUSE
(Allow reuse of transmitted packet)
0: LLE deallocates packet after it has been acknowledged
1: LLE does not deallocate packet after it has been acknowledged
(this is up to the MCU)
Bit 3:
AA
(Enable auto acknowledgement/auto retranmsmission)
0: Disable auto ack (Rx) or auto retransmission (Tx) for this address
0x00
Sem1
1: Enable auto ack (Rx) or auto retransmission (Tx) for this address
CONF
Bit 4:
VARLEN
(variable length support)
0: Use fixed length given by RXLENGTH in receiver when receiving
packets or ACKs
1: Use variable length up to RXLENGTH in receiver when receiving
packets or ACKs
Bit 5:
FIXEDSEQ
(fixed sequence number
–
Tx task only)
0: Insert sequence number from SEQSTAT.SEQ
1: Read sequence number from Tx FIFO
Bit 6:
TXLEN
0: Insert packet length in header when transmitting
1: Used fixed-length word when transmitting
Note: Must not be set to 1 unless the peer uses fixed length
0x01
Sem1
Maximum length of received packet (0
–
127)
RXLENGTH
0x02
Sem1
Address of packet
ADDRESS
302 CC2541 Proprietary Mode Radio
SWRU191C
–
April 2009
–
Revised January 2012
Copyright
©
2009
–
2012, Texas Instruments Incorporated