MC68EN360AI25VL Freescale, MC68EN360AI25VL Datasheet - Page 109

• Manufacturer Part Number: MC68EN360AI25VL
• Manufacturer: Freescale

Specifications of MC68EN360AI25VL

• Family Name: M68000
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 25MHz
• Instruction Set Architecture: RISC
• Operating Supply Voltage (max): 3.3V
• Operating Supply Voltage (min): 2.7V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 240
• Package Type: FQFP
• Lead Free Status / RoHS Status: Compliant

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