SH7670 Datasheet, PDF (766/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 17 USB 2.0 Host/Function Module (USB)
Table 17.13 Operation of This Module depending on PID Setting (when Host Controller
Function is Selected)
Transfer Direction
PID
Transfer Type
(DIR Bit)
Operation of This Module
00 (NAK)
Operation does not Operation does not Does not issue tokens.
depend on the
depend on the
setting.
setting.
01 (BUF)
Bulk or interrupt
Operation does not Issues tokens while UACT is 1 and the
depend on the
FIFO buffer corresponding to the
setting.
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 Issues tokens irrespective of the status
depend on the
of the FIFO buffer corresponding to the
setting.
pertinent pipe.
10 (STALL) or Operation does not Operation does not Does not issue tokens.
11 (STALL) depend on the
depend on the
setting.
setting.
Rev. 1.00 Nov. 14, 2007 Page 740 of 1262
REJ09B0437-0100