Renesas RL78/G1H

RL78/G1H CHAPTER 18 RF TRANSCEIVER
R01UH0575EJ0120 Rev. 1.20 Page 609 of 920
Dec 22, 2016
(41) Communication status register 1 (COMSTATE1)
This register is used to confirm each state in communication.
Transmitting status bit shows transmit state.
CCA status bit shows CCA state.
Receiving frame status bit shows frame receive state.
Figure 18 - 54 Communication status register 1 (COMSTATE1) Format
Caution Bits 0, 4 to 7 are read as x (undefined).
Address:
0066H
After reset:
00H
R
Symbol76543210
COMSTAT
E1
xxxxFRCV
STATE
CCASTATE TRNSTATE x
FRCV
STATE
Receiving frame status bit
0 Unreceived
1 Receiving
CCASTATE CCA status bit
0 Not CCA
1CCA
TRNSTATE Transmitting status bit
0 Untransmitted
1 Transmitting