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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.
76543210
Bit:
Initial value:
R/W:
01100000
R R R R R R/(W)* R R/(W)*
SPRF TEND SPTEF ⎯⎯MODF ⎯ OVRF
Bit Bit Name
Initial
Value R/W Description
7 SPRF 0 R 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.