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Section 26 USB 2.0 Host/Function Module
R01UH0134EJ0400 Rev. 4.00 Page 1461 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name
Initial
Value R/W Description
5 PBUSY 0 R Pipe Busy
This bit indicates whether the relevant pipe is used or
not for the transaction.
0: The relevant pipe is not used for the transaction.
1: The relevant pipe is used for the transaction.
This module modifies this bit from 0 to 1 upon start of
the USB transaction for the pertinent pipe, and clears
it from 1 to 0 when one transaction completes
successfully.
Reading this bit after PID has been set to NAK
allows checking that modification of the pipe settings
is possible.
For details, refer to section 26.4.3 (1), Pipe Control
Register Switching Procedures.
4 to 2 All 0 R Reserved
These bits are always read as 0. The write value
should always be 0.