MC68360EM33L Freescale Semiconductor, MC68360EM33L Datasheet - Page 109

• Manufacturer Part Number: MC68360EM33L
• Description: IC MPU QUICC 33MHZ 240-FQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68360EM33L

• Processor Type: M683xx 32-Bit
• Speed: 33MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 240-FQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

IF BREAKPOINT INSTRUCTION EXECUTED:
IF BKPT PIN OR INTERNAL LOGIC ASSERTED BKPT
INTERNALLY:
IF BREAKPOINT INSTRUCTION EXECUTED AND
DSACKx IS ASSERTED:
IF BKPT PIN ASSERTED AND DSACKx IS ASSERTED:
IF BREAKPOINT INSTRUCTION EXECUTED:
IF BKPT PIN ASSERTED:
IF BREAKPOINT INSTRUCTION EXECUTED:
IF BKPT PIN ASSERTED:
IF BERR ASSERTED:
1) SET R/W TO READ
2) SET FUNCTION CODE TO CPU SPACE
3) PLACE CPU SPACE TYPE 0 ON A19–A16
4) PLACE BREAKPOINT NUMBER ON A4–A2
5) CLEAR T-BIT (A1)
6) SET SIZx TO WORD
7) ASSERT AS AND DS
1) SET R/W TO READ
2) SET FUNCTION CODE TO CPU SPACE
3) PLACE CPU SPACE TYPE 0 ON A19–A16
4) PLACE ALL ONES ON A4–A2
5) SET T-BIT (A1) TO ONE
6) SET SIZx TO WORD
7) ASSERT AS AND DS
1) LATCH DATA
2) NEGATE AS AND DS
3) GO TO (A)
1) NEGATE AS AND DS
1) PLACE LATCHED DATA IN INSTRUCTION PIPELINE
2) CONTINUE PROCESSING
1) CONTINUE PROCESSING
1) INITIATE ILLEGAL INSTRUCTION PROCESSING
1) INITIATE HARDWARE BREAKPOINT PROCESSING
2) GO TO (A)
1) NEGATE AS AND DS
2) GO TO (B)
(A)
BREAKPOINT ACKNOWLEDGE
PROCESSOR
Figure 4-23. Breakpoint Operation Flowchart
Freescale Semiconductor, Inc.
For More Information On This Product,
(B)
MC68360 USER’S MANUAL
Go to: www.freescale.com
IF BREAKPOINT INSTRUCTION EXECUTED:
IF BKPT PIN ASSERTED:
1) NEGATE DSACKx or BERR
1) PLACE REPLACEMENT OPCODE ON DATA BUS
2) ASSERT DSACKx
1) ASSERT BERR TO INITIATE EXCEPTION PROCESSING
1) ASSERT DSACKx
1) ASSERT BERR TO INITIATE EXCEPTION PROCESSING
-OR-
-OR-
EXTERNAL DEVICE
Bus Operation