EZ-USB Datasheet, PDF (218/334 Pages) Cypress Semiconductor – The EZ-USB USB Integrated Circuit

Bit 1:
SOFIE
Start of frame Interrupt Enable
This bit is the interrupt mask for the SOFIE bit. When this bit is “1,” the interrupt is
enabled, when it is “0,” the interrupt is disabled.
Bit 0:
SUDAVIE SETUP data available Interrupt Enable
This bit is the interrupt mask for the SUDAVIE bit. When this bit is “1,” the interrupt is
enabled, when it is “0,” the interrupt is disabled.
EZ-USB TRM v1.9
Chapter 12. EZ-USB Registers
Page 12-25