HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 912

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 25
Rev. 3.00 Jan. 18, 2008 Page 850 of 1458
REJ09B0033-0300
Figure 25.15
USB Function Controller (USBF)
Data reception from host
Out-token reception
from host is broken
Out-token reception
Data transmitted
(IFR3/EP4 TS = 1)
reception flag to 1
SOF reception
SOF is broken
Set EP4 normal
FIFO buffer
switch over
receive data?
No error in
USB function
EP4 Isochronous-Out Transfer Operation (SOF is Broken)
Yes
Interrupt request (Time out)
No
Interrupt request (SOF)
Set EP4 abnormal
(IFR3/EP4 TF = 1)
reception flag to 1
FIFO B side
FIFO A side
From figure
25.14
A
Time stamps do not match
Read time stamp register
H, L (TSRH,TSRL)
(IFR4/TMOUT = 0)
Clear time out flag
Clear SOF packet
(IFR2/SOF = 0)
Interrupt end
Interrupt end
detection flag
Firmware
FIFO B side
FIFO A side