Renesas RL78/G1H - Page 622

RL78/G1H CHAPTER 18 RF TRANSCEIVER
R01UH0575EJ0120 Rev. 1.20 Page 604 of 920
Dec 22, 2016
(36) ACK reply time setting register (ACKRTNTIM)
This register is used to set the ACK reply time in the non-BEACON mode.
The ACKRTNTIM register consists of 16 bits and can be accessed (serial interface communication) in 8 bit
unit.
Reset signal generation sets this register to 0002H.
Figure 18 - 47 ACK Reply Time Setting Register (ACKRTNTIM) Format
(Setting example) In the non-BEACON mode
Only the ACK counter compare 3 register is used to set the time from the completion of packet receive to
the TRG_ON time. Initial value: 0002H = 2 symbols (Set value: 1H = 1 symbol)
Counter stops and H is set to the TRG_ON signal when the 10-bit timer for the ACK reply mode starts
from 000H upon completion of receive and it match with the ACK reply time setting register value in the
non-BEACON mode.
Figure 18 - 48 Count Operation in the Non-BEACON Mode
Address:
0047H, 0046H
After reset:
0002H
R/W
Symbol 15 14 13 12 11 10 9 8
ACKRTNT
IM
76543210
ACKRTNTIM ACK reply time in the non-BEACON mode
350 µs
Tx
Rx
TRG_ON
The ACK reply time setting register counts this period.
Note "a" involves several symbols of unevenness.
350 ? s + Setting value + a
Note
a
Delay time in the modem reception block
Communication
status
Counter value