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Table51 shi interrupt vectors, Table52 shi internal interrupt priorities, Table 5-1 – Motorola DSP56012 User Manual

Page 155: Shi interrupt vectors -7, Table 5-2, Shi internal interrupt priorities -7

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Serial Host Interface

Serial Host Interface Programming Model

MOTOROLA

DSP56012 User’s Manual

5-7

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

.

Table 5-1

SHI Interrupt Vectors

Address

Interrupt Source

P: $0020

SHI Transmit Data

P: $0022

SHI Transmit Underrun Error

P: $0024

SHI Receive FIFO Not Empty

P: $0026

Reserved

P: $0028

SHI Receive FIFO Full

P: $002A

SHI Receive Overrun Error

P: $002C

SHI Bus Error

Table 5-2

SHI Internal Interrupt Priorities

Priority

Interrupt

Highest

SHI Bus Error

SHI Receive Overrun Error

SHI Transmit Underrun Error

SHI Receive FIFO Full

SHI Transmit Data

Lowest

SHI Receive FIFO Not Empty