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Section 26 USB 2.0 Host/Function Module
Page 1476 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
26.4.2 Interrupt Functions
Table 26.16 lists the interrupt generation conditions for this module.
When an interrupt generation condition is satisfied and the interrupt output is enabled using the
corresponding interrupt enable register, this module issues a USB interrupt request to the interrupt
controller.
Table 26.16 Interrupt Generation Conditions
Bit Interrupt Name Cause of Interrupt
Function That
Generates the
Interrupt
Related
Status
VBINT 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
RESM Resume
interrupt
When a change in the state of the USB
bus has been detected in the
suspended state
(J-state to K-state or J-state to SE0)
Function
SOFR Frame number
update interrupt
When the host controller function is
selected:
When an SOF packet with a
different frame number has been
transmitted
When the function controller function is
selected:
When an SOF packet with a
different frame number is received
Host,
function
DVST Device state
transition
interrupt
When a device state transition is
detected
A USB bus reset detected
The suspend state detected
SET_ADDRESS request received
SET_CONFIGURATION request
received
Function DVSQ