GMS30C7201 Datasheet, PDF (183/352 Pages) Hynix Semiconductor – 60MHz operation frequency Low power consumption

Fast AMBA Peripherals
12.6.3 Error conditions
Input Buffer Overrun
A DMA interrupt for the Ir channel during Ir receive indicates that the incoming data has
exceeded the buffer length programmed into the DMA.
Receiver Abort Detected
SR0.RAB indicates, when set, that the far-end transmitter sent an abort signal during frame
transmission.
Receiver Overrun
SR1.ROR indicates that new data was received while the Ir receiver FIFO was full. This could
occur when DMA has been stopped or in the unlikely event of the interrupt service routine not
transferring the last two words from the FIFO at the end of a frame.
CRC Error
If the CRC for the received data does not match the CRC value contained in the incoming data
stream, SR1.CRC will be set.
Frame Error (FIr only)
IrFSR0.FRE indicates that a framing error has been detected.
These error flags are cleared by reading IrData, at which point the error flags associated with
the next word in the FIFO (if present) are transferred into the status registers.
GMS30C7201 Data Sheet
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