Stereo System User Manual

B-16 DSP56012 User’s Manual MOTOROLA
Programming Reference
Application:
Date:
Programmer:
Sheet 2 of 4
CENTRAL PROCESSOR
*
= Reserved, write as 0
SAL1 SAL0 Enabled IPL
0 0 No — 0 1 Yes 0 1 0 Yes 1 1 1 Yes 2
1514131211109876543210
HPL0 SAL1 SAL0 IBL2 IBL1 IBL0 IAL2 IAL1 IAL0
Interrupt Priority
X:$FFFF Read/Write
SHL1 SHL0
Reset = $000000
Register (IPR)
23 22 21 20 19 18 1617
*
0
*
0
*
0
*
0
*
0
*
0
*
0
*
0
*
0
*
0
HPL1
00
SAI IPL
SHL1 SHL0 Enabled IPL
0 0 No — 0 1 Yes 0 1 0 Yes 1 1 1 Yes 2
SHI IPL
HPL1 HPL0 Enabled IPL
0 0 No — 0 1 Yes 0 1 0 Yes 1 1 1 Yes 2
HI IPL
ILA2 Trigger
0 Level 1 Neg. Edge
IRQB Mode
IBL1 IBL0 Enabled IPL
0 0 No — 0 1 Yes 0 1 0 Yes 1 1 1 Yes 2
ILA2 Trigger
0 Level 1 Neg. Edge
IRQA Mode
IAL1 IAL0 Enabled IPL
0 0 No — 0 1 Yes 0 1 0 Yes 1 1 1 Yes 2
DTL1 DTL0
DTL1 DTL0 Enabled IPL
0 0 No — 0 1 Yes 0 1 0 Yes 1 1 1 Yes 2
DAX IPL
IPR
Interrupt Priority Register (IPR)