HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 915

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

Figure 25.17
transmission to host
transmission to host
In-token reception
In-token reception
SOF reception
SOF reception
No valid data
No valid data
in EP5 FIFO
in EP5 FIFO
FIFO buffer
switch over
0-byte data
0-byte data
USB function
EP5 Isochronous-In Transfer Operation (SOF in Broken)
Interrupt request (Time out)
Interrupt request (FIFO)
(IFR3/EP5 TR = 1)
(IFR3/EP5 TR = 1)
Set EP5 transmit
Set EP5 transmit
transmission
transmission
request flag
request flag
0-byte data
0-byte data
FIFO A side
FIFO B side
figure 25.16
From
B
Section 25
Rev. 3.00 Jan. 18, 2008 Page 853 of 1458
Clear SOF packet detection
Time stamps do not match
Read time stamp register
of data to EP5 data
(FCLR1/EP5CCLR)
(IFR4/TMOUT = 0)
Clear time out flag
Write one packet
register (EPDR5)
flag (IFR2/SOF = 0)
H, L (TSRH, TSRL)
Write 1 to EP5
Firmware
CPU clear
USB Function Controller (USBF)
FIFO B side
FIFO A side
REJ09B0033-0300