SH7720 Datasheet, PDF (896/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 25 USB Function Controller (USBF)
A list of restrictions of settable transfer method, transfer direction, and maximum packet size is
described in table 25.2.
Table 25.2 Restrictions of Settable Values
Endpoint FIFO No.
0
1
2
3
4
5
Maximum Packet Size
8 bytes
64 bytes
64 bytes
8 bytes
0 to 64 bytes
0 to 64 bytes
Transfer Method
Control
Bulk
Bulk
Interrupt
Isochronous
Isochronous
Transfer Direction

OUT
IN
IN
OUT
IN
• Example of Setting
This is an example when endpoint 4 and 5 used for the isochronous transfer are allocated with
Alternate value.
Table 25.3 Example of Endpoint Configuration
EP No.
0
1
2
3


4
4
5
5
Transfer
Conf. Int. Alt. Method

  Control
1
0
0
Bulk
1
0
0
Bulk
1
0
0
Interrupt
1
1
0

1
1
1

1
2
0
Isochronous
1
2
1
Isochronous
1
3
0
Isochronous
1
3
1
Isochronous
Transfer
Direction
IN/OUT
OUT
IN
IN


OUT
OUT
IN
IN
Maximum Packet
Size
EP FIFO No.
8 bytes
0
64 bytes
1
64 bytes
2
8 bytes
3




0 bytes
4
64 bytes
4
0 bytes
5
64 bytes
5
Rev. 3.00 Jan. 18, 2008 Page 834 of 1458
REJ09B0033-0300