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Motorola DSP96002 User Manual

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MOTOROLA

53

7.4

Interrupt Priority Register (IPR)

The Interrupt Priority Register supports the timer module with the addition of the Timer0
and Timer1 priority level bits. Figure 21 shows the revised IPR with the new bits indicated
in bold characters.

Figure 21 - Interrupt Priority Register (Address X:$FFFFFFFF)

T1L1

T0L1 T0L0

**

**

**

**

T1L0

Reserved

HBL1 HBL0 HAL1 HAL0 D1L1 D1L0 D0L1 D0L0

IRCS ICL2

ICL1 ICL0

IRBS IBL2 IBL1

IBL0 IRAS IAL2

IAL1 IAL0

DMA Channel 0 IPL
DMA Channel 1 IPL
Host A IPL
Host B IPL

IRQC IPL
IRQC Trigger Mode
IRQC Status
Reserved

IRQA IPL
IRQA Trigger Mode
IRQA Status
IRQB IPL
IRQB Trigger Mode
IRQB Status

**

**

**

**

Timer0 IPL
Timer1 IPL