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Motorola DSP56012 User Manual

Page 34

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1-14

DSP56012 User’s Manual

MOTOROLA

Overview

DSP56012 Architectural Overview

P:$000E

Reserved

P:$0010

0–2

SAI Left Channel Transmitter if TXIL = 0

P:$0012

0–2

SAI Right Channel Transmitter if TXIL = 0

P:$0014

0–2

SAI Transmitter Exception if TXIL = 0

P:$0016

0–2

SAI Left Channel Receiver if RXIL = 0

P:$0018

0–2

SAI Right Channel Receiver if RXIL = 0

P:$001A

0–2

SAI Receiver Exception if RXIL = 0

P:$001C

Reserved

P:$001E

3

NMI

P:$0020

0–2

SHI Transmit Data

P:$0022

0–2

SHI Transmit Underrun Error

P:$0024

0–2

SHI Receive FIFO Not Empty

P:$0026

Reserved

P:$0028

0–2

SHI Receive FIFO Full

P:$002A

0–2

SHI Receive Overrun Error

P:$002C

0–2

SHI Bus Error

P:$002E

Reserved

P:$0030

0–2

Host Receive Data

P:$0032

0–2

Host Transmit Data

P:$0034

0–2

Host Command (default)

P:$0036

Reserved; available for Host Command, see p. B-5–B-6.

:

:

P:$003C

Reserved; available for Host Command, see p. B-5–B-6.

P:$003E

3

Illegal Instruction

P: $0040

0–2

SAI Left Channel Transmitter if TXIL = 1

P: $0042

0–2

SAI Right Channel Transmitter if TXIL = 1

P: $0044

0–2

SAI Transmitter Exception if TXIL = 1

P: $0046

0–2

SAI Left Channel Receiver if RXIL = 1

P: $0048

0–2

SAI Right Channel Receiver if RXIL = 1

P: $004A

0–2

SAI Receiver Exception if RXIL = 1

P: $004C

Reserved; available for Host Command, see p. B-5–B-6.

P: $004E

Reserved; available for Host Command, see p. B-5–B-6.

Table 1-3

Interrupt Starting Addresses and Sources (Continued)

Interrupt

Starting Address

IPL

Interrupt Source