dsp56167 Freescale Semiconductor, Inc, dsp56167 Datasheet - Page 100

• Manufacturer Part Number: dsp56167
• Description: Advance Information 16-bit Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

Design Considerations
Special Design Considerations for Conversions from DSP56166 to DSP56167
4-24
PAGU Operation
The following figures and tables summarize PAGU operation.
PE
0
1
1
1
Figure 4-14 PAGU Operation During Fast Interrupt
PE = 1
AD = 0
(PAGU Not Enabled)
; PE, AD reset to 0
bfset #$0200,omr
nop
; PE bit set
.
.
.
move x:(r0)+,b
move a,x:(r1)+
move r1,x:(r2)+
add a,bb,x:(r3)+
Program
Table 4-7 PAGU Operation Summary
Main
AD
0
1
-
-
DSP56167/D, Rev. 1
Interrupt
Fast
Yes
No
-
-
PE = 1
AD Ignored
(PAGU Enabled)
move x:(r0)+,x:TX
move x1,y1
Addr. Reg.
Updated
Addr. Reg.
Updated
Drives XAB1
Drives XAB1
Disabled
Disabled
Core AALU
Interrupt
Host
Fast
Disabled
Disabled
Drives
XAB1Addr.
Reg. Updated
Drives XAB1
Addr. Reg.
Updated
PAGU
MOTOROLA