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Section 16 Renesas Serial Peripheral Interface
Page 788 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name
Initial
Value R/W Description
2 MODF 0 R/(W)* Mode Fault Error Flag
Indicates the occurrence of a mode fault error. If the
MODFEN bit is set to 1 when this module is in slave
mode and the SSL pin is negated before the RSPCK
cycle necessary for data transfer ends, this module
detects a mode fault error. The active level of the
SSL signal is determined by the SSL0P bit in the
slave select polarity register (SSLP).
[Clearing conditions]
SPSR is read when the MODF bit is 1, and then
0 is written to the MODF bit.
Power-on reset
0: No mode fault error occurred
1: A mode fault error occurred
Note: This bit is valid only in SPI slave mode.
1 0 R Reserved
The write value should always be 0. Otherwise,
operation cannot be guaranteed.
0 OVRF 0 R/(W)* Overrun Error Flag
Indicates the occurrence of an overrun error. If a
serial transfer ends when there is not enough space
for receiving the specified length of data in the
receive buffer (SPRX), this module detects an
overrun error, and sets the OVRF bit to 1.
[Clearing conditions]
SPSR is read when the OVRF bit is 1, and then 0
is written to the OVRF bit.
Power-on reset
0: No overrun error occurred
1: An overrun error occurred
Note: This bit is valid only in SPI slave mode.
Note: * Only 0 can be written to clear the flag after reading 1.