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Section 26 USB 2.0 Host/Function Module
Page 1454 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Table 26.12 Operation of This Module depending on PID Setting (when Host Controller
Function is Selected)
PID Transfer Type
Transfer Direction
(DIR Bit) Operation of This Module
00 (NAK) Operation does not
depend on the
setting.
Operation does not
depend on the
setting.
Does not issue tokens.
01 (BUF) Bulk or interrupt Operation does not
depend on the
setting.
Issues tokens while UACT is 1 and the
FIFO buffer corresponding to the
pertinent pipe is ready for transmission
and reception.
Does not issue tokens while UACT is 0
or the FIFO buffer corresponding to the
pertinent pipe is not ready for
transmission or reception.
Isochronous Operation does not
depend on the
setting.
Issues tokens irrespective of the status
of the FIFO buffer corresponding to the
pertinent pipe.
10 (STALL) or
11 (STALL)
Operation does not
depend on the
setting.
Operation does not
depend on the
setting.
Does not issue tokens.