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Section 26 USB 2.0 Host/Function Module
R01UH0134EJ0400 Rev. 4.00 Page 1515 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Table 26.22 Relationship between Transfer Mode Settings by CNTMD Bit and Timings at
which Reading Data or Transmitting Data from FIFO Buffer is Enabled
Continuous or Non-
Continuous Transfer
Mode Method of Determining if Reading or Transmitting Data is Enabled
Non-continuous
transfer
(CNTMD = 0)
In the receiving direction (DIR = 0), reading data from the FIFO buffer is
enabled when:
This module receives one packet.
In the transmitting direction (DIR = 1), transmitting data from the FIFO
buffer is Data of the maximum packet size is written to the FIFO
buffer.
or
Data of the short packet size (including 0-byte data) is written to the
FIFO buffer and then writes 1 to BVAL.