RL78/G1H CHAPTER 18 RF TRANSCEIVER
R01UH0575EJ0120 Rev. 1.20 Page 579 of 920
Dec 22, 2016
(13) CCA level threshold setting register (BBCCAVTH)
This register is used to set the threshold level to judge the CCA. It judges as busy for the CCA value which
is the value set to this register or greater.The value is set as 2’s complement. The setting unit is dBm (ex.
”19EH” is ”- 98dBm”).
The BBCCAVTH register is set by the serial interface in 8-bit units.
Reset signal generation sets this register to 0100H.
Figure 18 - 19 CCA Level Threshold Setting Register (BBCCAVTH) Format
Caution Be sure to clear bits 9 to 15 to “0”.
Address:
000FH, 000EH
After reset:
0100H
R/W
Symbol 15 14 13 12 11 10 9 8
BBCCAVTH
0000000CCAVTH8
76543210
CCAVTH7 CCAVTH6 CCAVTH5 CCAVTH4 CCAVTH3 CCAVTH2 CCAVTH1 CCAVTH0
CCAVTH[8:0]
CCA threshold level value
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