Motorola DSP56012 ユーザーズマニュアル

Serial Host Interface

Serial Host Interface Programming Model

MOTOROLA

DSP56012 User’s Manual

5-7

and the

exceptions generated by the SHI are prioritized as shown in

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