The interrupt vector table for the Serial Host Interface is shown in Table 5-1 and the
exceptions generated by the SHI are prioritized as shown in Table 5-2.
Address
P: $0020
P: $0022
P: $0024
P: $0026
P: $0028
P: $002A
P: $002C
Priority
Highest
Lowest
MOTOROLA
Table 5-1 SHI Interrupt Vectors
SHI Transmit Data
SHI Transmit Underrun Error
SHI Receive FIFO Not Empty
Reserved
SHI Receive FIFO Full
SHI Receive Overrun Error
SHI Bus Error
Table 5-2 SHI Internal Interrupt Priorities
SHI Bus Error
SHI Receive Overrun Error
SHI Transmit Underrun Error
SHI Receive FIFO Full
SHI Transmit Data
SHI Receive FIFO Not Empty
DSP56012 User's Manual
Serial Host Interface Programming Model
Interrupt Source
Interrupt
Serial Host Interface
5-7