mc68331cpv20b1 Freescale Semiconductor, Inc, mc68331cpv20b1 Datasheet - Page 4

• Manufacturer Part Number: mc68331cpv20b1
• Description: Mc68331 32 Bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Paragraph
4.2.11
4.2.12
4.2.13
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.4
4.4.1
4.4.1.1
4.4.1.2
4.4.1.3
4.4.1.4
4.4.1.5
4.4.1.6
4.4.1.7
4.4.1.8
4.4.1.9
4.4.1.10
4.4.1.11
4.4.2
4.4.3
4.4.4
4.4.5
4.5
4.5.1
4.5.2
4.5.2.1
4.5.2.2
4.5.3
4.5.4
4.5.4.1
4.5.4.2
4.5.5
4.5.5.1
4.5.5.2
4.5.5.3
4.5.5.4
4.5.6
System Clock ................................................................................................. 4-9
External Bus Interface .................................................................................. 4-17
Bus Operation .............................................................................................. 4-22
Periodic Interrupt Timer .......................................................................... 4-7
Low-Power STOP Operation .................................................................. 4-8
Freeze Operation ................................................................................... 4-9
Clock Sources ...................................................................................... 4-10
Clock Synthesizer Operation ................................................................ 4-10
External Bus Clock ............................................................................... 4-15
Low-Power Operation ........................................................................... 4-15
Loss of Reference Signal ..................................................................... 4-16
Bus Signals .......................................................................................... 4-18
Dynamic Bus Sizing ............................................................................. 4-20
Operand Alignment .............................................................................. 4-21
Misaligned Operands ........................................................................... 4-21
Operand Transfer Cases ...................................................................... 4-22
Synchronization to CLKOUT ................................................................ 4-23
Regular Bus Cycles .............................................................................. 4-23
Fast Termination Cycles ....................................................................... 4-25
CPU Space Cycles ............................................................................... 4-26
Bus Exception Control Cycles .............................................................. 4-30
External Bus Arbitration ........................................................................ 4-34
Address Bus ................................................................................. 4-18
Address Strobe ............................................................................ 4-18
Data Bus ...................................................................................... 4-18
Data Strobe .................................................................................. 4-18
Read/Write Signal ........................................................................ 4-18
Size Signals ................................................................................. 4-18
Function Codes ............................................................................ 4-19
Data and Size Acknowledge Signals ........................................... 4-19
Bus Error Signal ........................................................................... 4-19
Halt Signal .................................................................................... 4-20
Autovector Signal ......................................................................... 4-20
Read Cycle ................................................................................... 4-24
Write Cycle ................................................................................... 4-25
Breakpoint Acknowledge Cycle .................................................... 4-27
LPSTOP Broadcast Cycle ............................................................ 4-30
Bus Errors .................................................................................... 4-32
Double Bus Faults ........................................................................ 4-32
Retry Operation ............................................................................ 4-33
Halt Operation .............................................................................. 4-33
Freescale Semiconductor, Inc.
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Go to: www.freescale.com
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Title
USER’S MANUAL
MC68331
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