
110
8266A-MCU Wireless-12/09
Table 9-43 CHANNEL Register Bits
Register Bits Value Description
11 2405 MHz
12 2410 MHz
13 2415 MHz
14 2420 MHz
15 2425 MHz
16 2430 MHz
17 2435 MHz
18 2440 MHz
19 2445 MHz
20 2450 MHz
21 2455 MHz
22 2460 MHz
23 2465 MHz
24 2470 MHz
25 2475 MHz
CHANNEL4:0
26 2480 MHz
9.12.13 CCA_THRES – Transceiver CCA Threshold Setting Register
Bit 7 6
NA ($149) CCA_CS_THRES3 CCA_CS_THRES2 CCA_THRES
Read/Write RW RW
Initial Value 1 1
Bit 5 4
NA ($149) CCA_CS_THRES1 CCA_CS_THRES0 CCA_THRES
Read/Write RW RW
Initial Value 0 0
Bit 3 2
NA ($149) CCA_ED_THRES3 CCA_ED_THRES2 CCA_THRES
Read/Write RW RW
Initial Value 0 1
Bit 1 0
NA ($149) CCA_ED_THRES1 CCA_ED_THRES0 CCA_THRES
Read/Write RW RW
Initial Value 1 1
This register sets the threshold level for the Energy Detection (ED) of the Clear Channel
Assessment (CCA).
• Bit 7:4 – CCA_CS_THRES3:0 - CS Threshold Level for CCA Measurement
These bits are reserved for internal use.
• Bit 3:0 – CCA_ED_THRES3:0 - ED Threshold Level for CCA Measurement
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