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Section 26 USB 2.0 Host/Function Module
Page 1490 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
transferred after the data following the OUT token was received, setting the PIPENRDY
bit to 1.
However, during re-transmission (due to DATA-PID disagreement), the NRDY interrupt
request is not generated. In addition, if an error occurs in the DATA packet, the NRDY
interrupt request is not generated.
On receiving a PING token when there is no space available in the FIFO buffer.
In this case, this module generates a NRDY interrupt request at the reception of the PING
token, setting the PIPENRDY bit to 1.
For the pipe for isochronous transfers, when a token is not received normally within an
interval frame.
In this case, this module generates a NRDY interrupt request, setting the PIPENRDY bit to
1.