MC68340AG16VE Freescale Semiconductor, MC68340AG16VE Datasheet - Page 73

• Manufacturer Part Number: MC68340AG16VE
• Description: IC MPU 32BIT 16MHZ 144-LQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68340AG16VE

• Processor Type: M683xx 32-Bit
• Speed: 16MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP
• Controller Family/series: 68K
• Core Size: 32 Bit
• No. Of I/o's: 16
• Cpu Speed: 16MHz
• No. Of Timers: 2
• Embedded Interface Type: UART
• Digital Ic Case Style: LQFP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

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IF BREAKPOINT INSTRUCTION EXECUTED:
IF BKPT PIN ASSERTED:
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 A2–A4
5. CLEAR T-BIT (A1)
6. SET SIZE 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 ONE'S ON A4–A2
5. SET T-BIT (A-1) TO ONE
6. SET SIZE 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)
BREAKPOINT OPERATION FLOW
(A)
ACKNOWLEDGE BREAKPOINT
PROCESSOR
Figure 3-11. Breakpoint Operation Flowchart
Freescale Semiconductor, Inc.
For More Information On This Product,
(B)
MC68340 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
MOTOROLA