MC68332ACFC25 Freescale Semiconductor, MC68332ACFC25 Datasheet - Page 70
MC68332ACFC25
Manufacturer Part Number
MC68332ACFC25
Description
IC MCU 32BIT 25MHZ 132-PQFP
Manufacturer
Freescale Semiconductor
Series
M683xxr
Specifications of MC68332ACFC25
Core Processor
CPU32
Core Size
32-Bit
Speed
25MHz
Connectivity
EBI/EMI, SCI, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
15
Program Memory Type
ROMless
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
132-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68332ACFC25
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC68332ACFC25
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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4-30
IF BREAKPOINT INSTRUCTION EXECUTED:
IF BKPT PIN ASSERTED:
IF BREAKPOINT INSTRUCTION EXECUTED AND
IF BKPT PIN ASSERTED AND
IF BERR ASSERTED:
IF BKPT INSTRUCTION EXECUTED:
IF BKPT PIN ASSERTED:
IF BKPT INSTRUCTION EXECUTED:
IF BKPT PIN ASSERTED:
1) INITIATE ILLEGAL INSTRUCTION PROCESSING
1) INITIATE HARDWARE BREAKPOINT PROCESSING
3) PLACE CPU SPACE TYPE 0 ON ADDR[19:16]
4) PLACE BREAKPOINT NUMBER ON ADDR[4:2]
7) ASSERT AS AND DS
3) PLACE CPU SPACE TYPE 0 ON ADDR[19:16]
7) ASSERT AS AND DS
1) SET R/W TO READ
5) CLEAR T-BIT (ADDR1) TO ZERO
6) SET SIZE TO WORD
1) SET R/W TO READ
4) PLACE ALL ONES ON ADDR[4:2]
5) SET T-BIT (ADDR1) TO ONE
6) SET SIZE TO WORD
2) SET FUNCTION CODE TO CPU SPACE
2) SET FUNCTION CODE TO CPU SPACE
2) CONTINUE PROCESSING
1) CONTINUE PROCESSING
DSACK IS ASSERTED:
1) PLACE LATCHED DATA IN INSTRUCTION PIPELINE
DSACK IS ASSERTED:
3) GO TO (A)
2) GO TO (A)
2) GO TO (B)
1) LATCH DATA
2) NEGATE AS AND DS
1) NEGATE AS AND DS
1) NEGATE AS AND DS
(A)
ACKNOWLEDGE BREAKPOINT
CPU32
Figure 4-12 Breakpoint Operation Flowchart
Freescale Semiconductor, Inc.
For More Information On This Product,
SYSTEM INTEGRATION MODULE
(B)
Go to: www.freescale.com
BREAKPOINT OPERATION FLOW
IF BKPT INSTRUCTION EXECUTED:
IF BKPT ASSERTED:
1) ASSERT BERR TO INITIATE EXCEPTION PROCESSING
1) ASSERT BERR TO INITIATE EXCEPTION PROCESSING
1) NEGATE DSACK or BERR
1) PLACE REPLACEMENT OPCODE ON DATA BUS
2) ASSERT DSACK
1) ASSERT DSACK
OR:
OR:
PERIPHERAL
USER’S MANUAL
MC68332
1110A
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