Motorola DSP96002 User Manual

Page 178

10 - 12

DSP96002 USER’S MANUAL

MOTOROLA

Figure 10-6. Breakpoint and Trace Counter Logic

for any newly fetched instruction including instructions fetched by the interrupt processing or instructions

that will be killed by the interrupt processing.

10.7.3

External Request During STOP

Asserting

—

–

R when the chip is in the STOP state (i. e., has executed a STOP instruction) causes the

chip to exit the STOP state and enter the Debug Mode. After receiving the acknowledge, the command con-

troller must negate

—

–

R . Note that in this case, the chip completes the execution of the STOP instruction

and halts after the next instruction enters the instruction latch.