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Section 26 USB 2.0 Host/Function Module
R01UH0134EJ0400 Rev. 4.00 Page 1369 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name
Initial
Value R/W Description
14 REW 0 R/W* Buffer Pointer Rewind
Specifies whether or not to rewind the buffer pointer.
0: The buffer pointer is not rewound.
1: The buffer pointer is rewound.
When the selected pipe is in the receiving direction,
setting this bit to 1 while the FIFO buffer is being read
allows re-reading the FIFO buffer from the first data
(in double buffer mode, re-reading the currently-read
FIFO buffer plane from the first data is allowed).
Do not set REW to 1 simultaneously with modifying
the CURPIPE bits. Before setting REW to 1, be sure
to check that FRDY is 1.
To re-write to the FIFO buffer again from the first data
for the pipe in the transmitting direction, use the
BCLR bit.
13, 12 All 0 R Reserved
These bits are always read as 0. The write value
should always be 0.