NEC uPD78056Y - Manual (Page 453)

453
CHAPTER 19 SERIAL INTERFACE CHANNEL 2
(b) Asynchronous serial interface mode register (ASIM)
ASIM is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets ASIM to 00H.
SL
<6> 5 4 3 2 1 0 <7>
Symbol
ASIM TXE RXE PS1 PS0 CL ISRM SCK FF70H 00H R/W
Address After Reset R/W
RXE
0
1
Receive Operation Control
Receive operation stopped
Receive operation enabled
TXE
0
1
Transmit Operation Control
Transmit operation stopped
Transmit operation enabled