AT86RF232
Register 0x2D (CSMA_SEED_0):
The register CSMA_SEED_0 contains the lower 8-bit of CSMA_SEED.
Figure 7-22 . Register CSMA_SEED_0.
Bit
0x2D
Read/Write
Reset value
Bit
0x2D
Read/Write
Reset value
7
R/W
1
3
R/W
1
6
R/W
1
2
R/W
0
CSMA_SEED_0
CSMA_SEED_0
5
R/W
1
1
R/W
1
4
R/W
0
0
R/W
0
CSMA_SEED_0
CSMA_SEED_0
? Bit 7:0 - CSMA_SEED_0
Lower 8-bit of CSMA_SEED, bits[7:0]. Used as seed for random number generation in
the CSMA-CA algorithm.
Table 7-29. CSMA_SEED_0.
Register Bits
CSMA_SEED_0
Value
0xEA
Description
This register contains the lower 8-bit of the CSMA_SEED,
bits[7:0]. The higher 3-bit are part of register bits
CSMA_SEED_1 (register 0x2E, CSMA_SEED_1).
CSMA_SEED is the seed for the random number
generation that determines the length of the back-off
period in the CSMA-CA algorithm.
Register 0x2E (CSMA_SEED_1):
The CSMA_SEED_1 register is a control register for RX_AACK and contains a part of
the CSMA_SEED for the CSMA-CA algorithm.
Figure 7-23 . Register CSMA_SEED_1.
Bit
7
6
5
4
0x2E
AACK_FVN_MODE
AACK_SET_PD
AACK_DIS_ACK
CSMA_SEED_1
Read/Write
Reset value
Bit
0x2E
Read/Write
Reset value
R/W
0
3
AACK_I_AM_
COORD
R/W
0
R/W
1
2
R/W
0
R/W
0
1
CSMA_SEED_1
R/W
1
R/W
0
0
R/W
0
CSMA_SEED_1
71
8321A – MCU Wireless – 10/11
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