Datasheet

Section 22 USB Function Module (USB)
Rev. 2.00 Aug. 20, 2008 Page 861 of 1198
REJ09B0403-0200
22.4 Interrupt Sources
This module has five interrupt signals. Table 22.6 shows the interrupt sources and their
corresponding interrupt request signals. The USBINTN interrupt signals are active low and can
only be detected by level sensing.
Table 22.6 Interrupt Sources
Register Bit
Transfer
Mode
Interrupt
Source Description
Interrupt
Request Signal DTC Activation
IFR0 0 EP0i_TS* EP0i transfer
complete
USBINTN2 or
USBINTN3
×
1
Control
transfer
(EP0)
EP0i_TR* EP0i transfer
request
USBINTN2 or
USBINTN3
×
2 EP0o_TS* EP0o receive
complete
USBINTN2 or
USBINTN3
×
3 SETUP_TS* Setup command
receive complete
USBINTN2 or
USBINTN3
×
4 Bulk_in
transfer
(EP2)
EP2_EMPTY EP2 FIFO empty
USBINTN2 or
USBINTN3
USBINTN1
5 EP2_TR EP2 transfer
request
USBINTN2 or
USBINTN3
×
6 Bulk_out
transfer
(EP1)
EP1_FULL EP1 FIFO Full
USBINTN2 or
USBINTN3
USBINTN0
7 Status BRST Bus reset
USBINTN2 or
USBINTN3
×
IFR1 0 Status VBUSF USB disconnection
detection
USBINTN2 or
USBINTN3
×
1 EP3_TS EP3 transfer
complete
USBINTN2 or
USBINTN3
×
2
Interrupt_in
transfer
(EP3)
EP3_TR EP3 transfer
request
USBINTN2 or
USBINTN3
×
3 Status VBUSMN VBUS connection
status
— ×
4
5
— Reserved —
— —
6
7