Renesas R5S72621 User Manual
Section 22 Renesas SPDIF Interface
Page 1190 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
22.13
Usage Notes
22.13.1
Clearing TUIR
After TUI is written to, the TUIR bit is cleared only after transmission of a maximum of one frame
is completed. When using a transmitter user information interrupt to write data to TUI, check that
the TUIR bit is cleared before terminating the interrupt handling routine so that the interrupt is not
unexpectedly accepted again.
is completed. When using a transmitter user information interrupt to write data to TUI, check that
the TUIR bit is cleared before terminating the interrupt handling routine so that the interrupt is not
unexpectedly accepted again.
22.13.2
Frequency of Clock Input for Audio
The frequency of the clock input to the AUDIO_X1 and AUDIO_X2 or AUDIO_CLK must be
lower than the P
lower than the P
frequency.