SH7670 Datasheet, PDF (767/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 17 USB 2.0 Host/Function Module (USB)
Table 17.14 Operation of This Module depending on PID Setting (when Function Controller
Function is Selected)
PID
00 (NAK)
01 (BUF)
Transfer Type
Bulk or interrupt
Isochronous
Bulk
Interrupt
Bulk or interrupt
Isochronous
Transfer Direction
(DIR Bit)
Operation of This Module
Operation does not Returns NAK in response to the token
depend on the
from the USB host.
setting.
For the operation when ATREPM is 1,
refer to the description of the ATREPM
bit.
Operation does not Returns nothing in response to the
depend on the
token from the USB host.
setting.
Receiving direction
(DIR = 0)
Receives data and returns ACK in
response to the OUT token from the
USB host if the FIFO buffer
corresponding to the pertinent pipe is
ready for reception. Returns NAK if not
ready.
Returns ACK in response to the PING
token from the USB host if the FIFO
buffer corresponding to the pertinent
pipe is ready for reception. Returns
NYET if not ready.
Receiving direction
(DIR = 0)
Receives data and returns ACK in
response to the OUT token from the
USB host if the FIFO buffer
corresponding to the pertinent pipe is
ready for reception. Returns NAK if not
ready.
Transmitting
direction (DIR = 1)
Transmits data in response to the token
from the USB host if the corresponding
FIFO buffer is ready for transmission.
Returns NAK if not ready.
Receiving direction
(DIR = 0)
Receives data in response to the OUT
token from the USB host if the FIFO
buffer corresponding to the pertinent
pipe is ready for reception. Discards
data if not ready.
Rev. 1.00 Nov. 14, 2007 Page 741 of 1262
REJ09B0437-0100