SH7764 Datasheet, PDF (992/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 21 USB 2.0 Host/Function Module (USB)
Table 21.17 Interrupt Generation Conditions
Bit
VBINT
RESM
SOFR
DVST
Interrupt Name Cause of Interrupt
Function That
Generates the Related
Interrupt
Status
VBUS interrupt When a change in the state of the
VBUS input pin has been detected
(low to high or high to low)
Host,
function
VBSTS
Resume
interrupt
When a change in the state of the USB Function

bus has been detected in the
suspended state
(J-state to K-state or J-state to SE0)
Frame number When the host controller function is Host,

update interrupt selected:
function
• When an SOF packet with a
different frame number has been
transmitted
When the function controller function is
selected:
• SOFRM = 0:
When an SOF packet with a
different frame number is received
• SOFRM = 1:
When the SOF with the µframe
number 0 cannot be received due
to a corruption of a packet
Device state
transition
interrupt
When a device state transition is
detected
• A USB bus reset detected
Function
DVSQ
• The suspend state detected
• SET_ADDRESS request received
• SET_CONFIGURATION request
received
Rev. 1.00 Nov. 22, 2007 Page 936 of 1692
REJ09B0360-0100