CC2500_06 Datasheet, PDF (56/84 Pages) Texas Instruments – Single Chip Low Cost Low Power RF Transceiver

CC2500
Bit Field Name
7:4 Reserved
3:0 FIFO_THR[3:0]
0x03: FIFOTHR – RX FIFO and TX FIFO thresholds
Reset
R/W Description
0
R0 Write 0 for compatibility with possible future extensions
7 (0111) R/W Set the threshold for the TX FIFO and RX FIFO. The threshold
is exceeded when the number of bytes in the FIFO is equal to
or higher than the threshold value.
Setting Bytes in TX FIFO Bytes in RX FIFO
0 (0000)
61
4
1 (0001)
57
8
2 (0010)
53
12
3 (0011)
49
16
4 (0100)
45
20
5 (0101)
41
24
6 (0110)
37
28
7 (0111)
33
32
8 (1000)
29
36
9 (1001)
25
40
10 (1010)
21
44
11 (1011)
17
48
12 (1100)
13
52
13 (1101)
9
56
14 (1110)
5
60
15 (1111)
1
64
Bit Field Name
7:0 SYNC[15:8]
0x04: SYNC1 – Sync word, high byte
Reset
R/W Description
211 (0xD3) R/W 8 MSB of 16-bit sync word
Bit Field Name
7:0 SYNC[7:0]
0x05: SYNC0 – Sync word, low byte
Reset
R/W Description
145 (0x91) R/W 8 LSB of 16-bit sync word
Bit Field Name
7:0 PACKET_LENGTH
0x06: PKTLEN – Packet length
Reset
R/W Description
255 (0xFF)
R/W Indicates the packet length when fixed length packets
are enabled. If variable length packets are used, this
value indicates the maximum length packets allowed.
PRELIMINARY Data Sheet (Rev.1.2) SWRS040A
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