Stereo System User Manual

Memory, Operating Modes, and Interrupts
Interrupt Priority Register
MOTOROLA DSP56012 User’s Manual 3-17
SAI Right Channel Receiver
SAI Right Channel Transmitter
SHI Bus Error
SHI Receive Overrun Error
SHI Transmit Underrun Error
SHI Receive FIFO Full
SHI Transmit Data
SHI Receive FIFO Not Empty
HOST Command Interrupt
HOST Receive Data Interrupt
HOST Transmit Data Interrupt
DAX Transmit Underrun Error
DAX Block Transferred
Lowest
DAX Transmit Register Empty
Table 3-5 Interrupt Vectors
Address Interrupt Source
P: $0000 Hardware RESET
P: $0002 Stack Error
P: $0004 Trace
P: $0006 SWI
P: $0008 IRQA
P: $000A IRQB
P: $000C Reserved
P: $000E Reserved
P: $0010 SAI Left Channel Transmitter if TXIL = 0
P: $0012 SAI Right Channel Transmitter if TXIL = 0
P: $0014 SAI Transmitter Exception if TXIL = 0
P: $0016 SAI Left Channel Receiver if RXIL = 0
Table 3-4 Interrupt Priorities (Continued)
Priority Interrupt