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Section 16 Renesas Serial Peripheral Interface
R01UH0134EJ0400 Rev. 4.00 Page 787 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name
Initial
Value R/W Description
6 TEND 1 R Transmit End
This bit is set to 1 when transmission is completed,
and this bit is 0 when transmission is not completed.
[Clearing condition]
When transmit data are moved from the transmit
register to the shift register.
[Setting condition]
When the number of data units in the transmit
buffer (SPTX) is zero when a serial transfer is
completed.
5 SPTEF 1 R Transmit Buffer Empty Flag
Indicates that the number of transmit data units in the
transmit buffer (SPTX) is equal to or less than the
transmit buffer data triggering number specified in
the buffer control register (SPBFCR).
0: The number of transmit data units in the transmit
buffer is equal to or greater than the specified
transmit buffer data triggering number.
1: The number of transmit data units in the transmit
buffer is less than the specified transmit buffer
data triggering number.
[Clearing condition]
When data is written to the transmit buffer until
the number of transmit data units in the transmit
buffer exceeds the specified transmit buffer data
triggering number.
[Setting conditions]
When the number of transmit data units in the
transmit buffer is less than the specified transmit
buffer data triggering number.
When transmit buffer data reset is enabled.
Power-on reset
4, 3 All 0 R Reserved
The write value should always be 0. Otherwise,
operation cannot be guaranteed.