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Section 26 USB 2.0 Host/Function Module
R01UH0134EJ0400 Rev. 4.00 Page 1425 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name
Initial
Value R/W Description
2 CCPL 0 R/W*
1
Control Transfer End Enable
When the function controller function is selected,
setting this bit to 1 enables the status stage of the
control transfer to be completed.
0: Invalid
1: Completion of control transfer is enabled.
When this bit is set to 1 while the corresponding
PID bits are set to BUF, this module completes the
control transfer stage.
Specifically, during control read transfer, this
module transmits the ACK handshake in response
to the OUT transaction from the USB host, and
outputs the zero-length packet in response to the IN
transaction from the USB host during control write
or no-data control transfer. However, on detecting
the SET_ADDRESS request, this module operates
in auto response mode from the setup stage up to
the status stage completion irrespective of the
setting of this bit.
This module modifies this bit from 1 to 0 on
receiving the new setup packet.
A 1 cannot be written to this bit while VALID is 1.
When the host controller function is selected, be
sure to write 0 to this bit.