SH7203 Datasheet, PDF (1196/1686 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 23 USB 2.0 Host/Function Module (USB)
Bit
NRDY
BRDY
BCHG
DTCH
SACK
SIGN
Interrupt Name Cause of Interrupt
Function That
Generates the Related
Interrupt
Status
Buffer not ready When the host controller function is
interrupt
selected:
Host, function NRDYSTS.
PIPENRDY
• When STALL is received from the
function side for the issued token
• When no response is returned from
the function side for the issued
token
• When an overrun/underrun
occurred during isochronous
transfer
When the function controller function is
selected:
• When an IN token has been
received and there is no data to be
sent in the buffer memory
• When an OUT token has been
received and there is no area in
which data can be stored in the
buffer memory, so reception of
data is not possible
• When a CRC error or a bit stuffing
error occurred during isochronous
transfer
Buffer ready
interrupt
When the buffer is ready (reading or Host, function NRDYSYS
writing is enabled)
PIPENRDY
Bus change
interrupt
When a change of USB bus state is Host, function ⎯
detected
Disconnection When disconnection of a function
Host
⎯
detection during device during full-speed operation is
full-speed
detected
operation
Normal setup When the normal response (ACK) for Host
⎯
operation
the setup transaction is received
Setup error
When a setup transaction error (no Host
⎯
response or ACK packet corruption) is
detected
Rev. 2.00 Apr. 16, 2008 Page 1166 of 1652
REJ09B0313-0200