SH7763 Datasheet, PDF (1637/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

USB function
SOF is broken
INTN (Time out)
Section 36 USB Function Controller (USBF)
Firmware
Clear time out flag
(IFR4/TMOUT = 0)
Interrupt end
Out-token reception
Data transmitted
from host is broken
FIFO A side
FIFO B side
SOF reception
FIFO buffer
switch over
Out-token reception
Data reception from host
INTN (SOF)
From figure
36.13
A
FIFO B side
No error in
receive data?
No
Yes
Set EP4 normal
reception flag to 1
(IFR3/EP4 TS = 1)
Set EP4 abnormal
reception flag to 1
(IFR3/EP4 TF = 1)
Clear SOF packet
detection flag
(IFR2/SOF = 0)
Read time stamp register
H, L (TSRH,TSRL)
Time stamps do not match
Interrupt end
FIFO A side
Figure 36.14 EP4 Isochronous-Out Transfer Operation (SOF is Broken)
Rev. 1.00 Oct. 01, 2007 Page 1571 of 1956
REJ09B0256-0100