Renesas R5S72641 User Manual

Page of 2152
 
 
Section 19   Serial I/O with FIFO 
 
 
Page 974 of 2108 
 
R01UH0134EJ0400  Rev. 4.00 
 
 Sep 
24, 
2014 
SH7262 Group, SH7264 Group
(5)  Transmit/Receive Reset 
This module can separately reset the transmit and receive units by setting the following bits to 1. 
  Transmit reset: TXRST bit in SICTR 
  Receive reset: RXRST bit in SICTR 
 
Table 19.10 shows the details of initialization upon the transmit or receive reset. 
Table 19.10  Transmit and Receive Reset 
Type Objects 
Initialized 
Transmit reset 
SITDR 
Valid data in transmit FIFO 
The TFEMP and TDREQ bits in SISTR 
The TXE bit in SICTR 
Receive reset 
SIRDR 
Valid data in receive FIFO 
The RFFUL and RDREQ bits in SISTR 
The RXE bit in SICTR