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LCD Controller
LBUINTR — Next base address update interrupt
The LCD next base address update interrupt is asserted when either the LCDUPBASE
or LCDLPBASE values have been transferred to the LCDUPCURR or LCDLPCURR
incrementers (respectively). This tells the system that it is safe to update the
LCDUPBASE or LCDLPBASE registers with new frame base addresses, if required.
This interrupt can be cleared by writing a 1 to the LNBU bit in the LCDStatus register.