RL78/G1H CHAPTER 18 RF TRANSCEIVER
R01UH0575EJ0120 Rev. 1.20 Page 627 of 920
Dec 22, 2016
(61) Transmit data counter register (BBTXCOUNT)
This register is used to indicate the transmit data counter value upon transmission. It enables the checking
of how many bytes of transmit data are currently transferred to transmitter from the transmit RAM. The value
is cleared to “0” when the packet transmission ends. Be sure to read data in the order from the lower byte to
the upper byte because the upper three bits are stored at the timing when the data of lower 8 bits is read.
BBTXCOUNT register is set via serial interface in 8-bit units.
Reset signal generation clears this register to 0000H.
Figure 18 - 74 Transmit Data Counter Register (BBTXCOUNT) Format
Caution “0” is always read for bits 11 to 15.
Address:
00BDH, 00BCH
After reset:
0000H
R
Symbol 15 14 13 12 11 10 9 8
BBTXCO
UNT
000000
TRNCOUNT10
TRNCOUNT9 TRNCOUNT8
76543210
TRNCOUNT7 TRNCOUNT6 TRNCOUNT5 TRNCOUNT4 TRNCOUNT3 TRNCOUNT2 TRNCOUNT1 TRNCOUNT0
TRNCOUNT[10:0] The transmit data counter value upon transmission
To Next Page
Loading...
