Renesas R5S72622 User Manual

Page of 2152
 
 
Section 16   Renesas Serial Peripheral Interface 
 
 
Page 786 of 2108 
 
R01UH0134EJ0400  Rev. 4.00 
 
 Sep 
24, 
2014 
SH7262 Group, SH7264 Group
16.3.4
 
Status Register (SPSR) 
SPSR indicates the operating status. 
Note:  *  Only 0 can be written to clear the flag after reading 1.
7
6
5
4
3
2
1
0
Bit:
Initial value:
R/W:
0
1
1
0
0
0
0
0
R
R
R
R
R
R/(W)*
R
R/(W)*
SPRF
TEND SPTEF
MODF
OVRF
 
 
Bit Bit 
Name 
Initial 
Value R/W Description 
SPRF 
Receive Buffer Full Flag  
Indicates that the number of receive data units in the 
receive buffer (SPRX) is equal to or greater than the 
receive buffer data triggering number specified in the 
buffer control register (SPBFCR).  
0: The number of receive data units in the receive 
buffer is less than the receive buffer data 
triggering number.  
1: The number of receive data units in the receive 
buffer is equal to or greater than the receive buffer 
data triggering number.  
[Clearing conditions] 
  The receive buffer data is read until the number 
of data units in the receive buffer becomes less 
than the specified receive buffer data triggering 
number. 
  Receive buffer data reset is enabled. 
  Power-on reset  
[Setting condition] 
  The number of data units in the receive buffer is 
equal to or greater than the specified receive 
buffer data triggering number.