MC68340AG16E Freescale Semiconductor, MC68340AG16E Datasheet - Page 73
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MC68340AG16E
Manufacturer Part Number
MC68340AG16E
Description
IC MPU 32BIT 16MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68340FE25E.pdf
(441 pages)
Specifications of MC68340AG16E
Processor Type
M683xx 32-Bit
Speed
16MHz
Voltage
5V
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
Processor Series
M683xx
Core
CPU32
Maximum Clock Frequency
16 MHz
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Details
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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
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