SH7205 Datasheet, PDF (1304/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 24 USB 2.0 Host/Function Module (USB)
24.4.3 Pipe Control
Table 24.21 lists the pipe setting items of this module. With USB data transfer, data transmission
has to be carried out using the logic pipe called the endpoint. This module has ten pipes that are
used for data transfer.
Settings should be entered for each of the pipes in conjunction with the specifications of the
system.
Table 24.21 Pipe Setting Items
Register
Name
DCPCFG
PIPECFG
Bit Name
TYPE
BFRE
DBLB
CNTMD
DIR
EPNUM
SHTNAK
Setting
Contents
Remarks
Specifies the
transfer type
PIPE1 to PIPE9: Can be set
Selects the
BRDY interrupt
mode
PIPE1 to PIPE5: Can be set
Selects a single PIPE1 to PIPE5: Can be set
buffer or double
buffer
Selects
continuous
transfer or non-
continuous
transfer
PIPE1 and PIPE2: Can be set (only when bulk
transfer has been selected).
PIPE3 to PIPE5: Can be set
With continuous transmission and reception, the
buffer size should be set to an integer multiple of the
payload.
Selects transfer
direction
(reading or
writing)
IN or OUT can be set
Endpoint number PIPE1 to PIPE9: Can be set
Should be set to a non-zero value when using pipes.
Selects disabled
state for pipe
when transfer
ends
PIPE1 and PIPE2: Can be set (only when bulk
transfer has been selected)
PIPE3 to PIPE5: Can be set
Rev. 1.00 Mar. 25, 2008 Page 1272 of 1868
REJ09B0372-0100