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PDF M68MEVB1632 Data sheet ( Hoja de datos )

Número de pieza M68MEVB1632
Descripción Users Manual
Fabricantes Motorola Semiconductors 
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MC68331
User’s Manual
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability
of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and
all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different applications. All operating parameters, including
"Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others.
Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to
support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer
purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries,
affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal
injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
MOTOROLA and ! are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
© MOTOROLA, INC. 1996

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M68MEVB1632 pdf
Paragraph
TABLE OF CONTENTS
(Continued)
Title
Page
4.5.6.1
Slave (Factory Test) Mode Arbitration ......................................... 4-35
4.5.6.2
Show Cycles ................................................................................ 4-35
4.6 Reset ............................................................................................................ 4-36
4.6.1
Reset Exception Processing ................................................................ 4-36
4.6.2
Reset Control Logic .............................................................................. 4-37
4.6.3
Reset Mode Selection .......................................................................... 4-37
4.6.3.1
Data Bus Mode Selection ............................................................. 4-38
4.6.3.2
Clock Mode Selection .................................................................. 4-40
4.6.3.3
Breakpoint Mode Selection .......................................................... 4-40
4.6.4
MCU Module Pin Function During Reset ............................................. 4-40
4.6.5
Pin State During Reset ......................................................................... 4-41
4.6.5.1
Reset States of SIM Pins ............................................................. 4-41
4.6.5.2
Reset States of Pins Assigned to Other MCU Modules ............... 4-42
4.6.6
Reset Timing ........................................................................................ 4-42
4.6.7
Power-On Reset ................................................................................... 4-43
4.6.8
Reset Processing Summary ................................................................. 4-44
4.6.9
Reset Status Register .......................................................................... 4-45
4.7 Interrupts ...................................................................................................... 4-45
4.7.1
Interrupt Exception Processing ............................................................ 4-45
4.7.2
Interrupt Priority and Recognition ......................................................... 4-45
4.7.3
Interrupt Acknowledge and Arbitration ................................................. 4-46
4.7.4
Interrupt Processing Summary ............................................................. 4-47
4.7.5
Interrupt Acknowledge Bus Cycles ....................................................... 4-48
4.8 Chip Selects ................................................................................................. 4-48
4.8.1
Chip-Select Registers ........................................................................... 4-50
4.8.1.1
Chip-Select Pin Assignment Registers ........................................ 4-51
4.8.1.2
Chip-Select Base Address Registers ........................................... 4-52
4.8.1.3
Chip-Select Option Registers ....................................................... 4-52
4.8.1.4
PORTC Data Register .................................................................. 4-54
4.8.2
Chip-Select Operation .......................................................................... 4-54
4.8.3
Using Chip-Select Signals for Interrupt Acknowledge .......................... 4-54
4.8.4
Chip-Select Reset Operation ................................................................ 4-55
4.9 Parallel Input/Output Ports ........................................................................... 4-57
4.9.1
Pin Assignment Registers .................................................................... 4-57
4.9.2
Data Direction Registers ...................................................................... 4-57
4.9.3
Data Registers ...................................................................................... 4-57
4.10 Factory Test ................................................................................................. 4-57
SECTION 5 CENTRAL PROCESSING UNIT
5.1 General ........................................................................................................... 5-1
5.2 CPU32 Registers ............................................................................................ 5-2
MC68331
USER’S MANUAL
MOTOROLA
v

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M68MEVB1632 arduino
LIST OF ILLUSTRATIONS
Figure
Title
Page
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9
4-10
4-11
4-12
4-13
4-14
4-15
4-16
4-17
4-18
4-19
5-1
5-2
5-3
5-4
5-5
5-6
5-7
5-8
5-9
5-10
5-11
5-12
6-1
6-2
MCU Block Diagram........................................................................................ 3-3
Pin Assignments for 132-Pin Package ............................................................ 3-4
Pin Assignments for 144-Pin Package ............................................................ 3-5
Internal Register Memory Map ...................................................................... 3-11
Overall Memory Map ..................................................................................... 3-12
Separate Supervisor and User Space Map................................................... 3-13
Supervisor Space (Separate Program/Data Space) Map ............................. 3-14
User Space (Separate Program/Data Space) Map ....................................... 3-15
System Integration Module Block Diagram ..................................................... 4-2
System Configuration and Protection.............................................................. 4-3
Periodic Interrupt Timer and Software Watchdog Timer ................................. 4-7
System Clock Block Diagram .......................................................................... 4-9
System Clock Oscillator Circuit ..................................................................... 4-10
System Clock Filter Networks ....................................................................... 4-11
MCU Basic System ....................................................................................... 4-17
Operand Byte Order ...................................................................................... 4-21
Word Read Cycle Flowchart.......................................................................... 4-24
Write Cycle Flowchart ................................................................................... 4-25
CPU Space Address Encoding ..................................................................... 4-27
Breakpoint Operation Flowchart.................................................................... 4-29
LPSTOP Interrupt Mask Level....................................................................... 4-30
Bus Arbitration Flowchart for Single Request................................................ 4-35
Data Bus Mode Select Conditioning.............................................................. 4-39
Power-On Reset............................................................................................ 4-44
Basic MCU System ....................................................................................... 4-49
Chip-Select Circuit Block Diagram ................................................................ 4-50
CPU Space Encoding for Interrupt Acknowledge.......................................... 4-55
CPU32 Block Diagram .................................................................................... 5-2
User Programming Model ............................................................................... 5-3
Supervisor Programming Model Supplement.................................................. 5-3
Data Organization in Data Registers............................................................... 5-5
Address Organization in Address Registers.................................................... 5-5
Memory Operand Addressing ......................................................................... 5-8
Common In-Circuit Emulator Diagram .......................................................... 5-18
Bus State Analyzer Configuration ................................................................. 5-19
Debug Serial I/O Block Diagram ................................................................... 5-23
BDM Serial Data Word .................................................................................. 5-24
BDM Connector Pinout.................................................................................. 5-24
Loop Mode Instruction Sequence.................................................................. 5-25
QSM Block Diagram........................................................................................ 6-1
QSPI Block Diagram ....................................................................................... 6-6
MC68331
USER’S MANUAL
MOTOROLA
xi

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