Renesas R5S72624 Manual De Usuario

Descargar
Página de 2152
 
Section 19   Serial I/O with FIFO 
 
R01UH0134EJ0400  Rev. 4.00  
 
Page 965 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
(2)  Transmit/Receive Timing 
The SIOFTxD transmit timing and SIOFRxD receive timing relative to the SIOFSCK can be set as 
the sampling timing in the following ways. The transmit/receive timing is set using the REDG bit 
in SIMDR. 
  Falling-edge sampling 
  Rising-edge sampling (possible only in master mode) 
 
Figure 19.4 shows the transmit/receive timing. 
SIOFSCK
SIOFSYNC
SIOFTxD
SIOFRxD
SIOFSCK
SIOFSYNC
SIOFTxD
SIOFRxD
(a) Falling-edge sampling 
(a) Rising-edge sampling 
Receive timing
Transmit timing
Receive timing
Transmit timing
 
Figure 19.4   Transmit/Receive Timing 
19.4.3
 
Transfer Data Format 
This module performs the following transfer. 
  Transmit/receive data: Transfer of 8-bit monaural/16-bit monaural/16-bit stereo data 
 
(1)  Transfer Mode 
 This module supports the following two transfer modes as listed in table 19.4. The transfer mode 
can be specified by the TRMD1 and TRMD0 bits in SIMDR. 
Table 19.4  Serial Transfer Modes 
Transfer Mode 
SIOFSYNC 
Bit Delay 
Slave mode 
Synchronous pulse 
SYNCDL bit 
Master mode