MC68HC000EI20 Freescale Semiconductor, MC68HC000EI20 Datasheet - Page 3

• Manufacturer Part Number: MC68HC000EI20
• Description: IC MPU 16BIT 20MHZ 68-PLCC
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC000EI20

• Processor Type: M680x0 32-Bit
• Speed: 20MHz
• Voltage: 3.3V, 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

Paragraph
Number
4.1
4.1.1
4.1.2
4.1.3
4.2
5.1
5.1.1
5.1.2
5.1.3
5.1.4
5.2
5.2.1
5.2.2
5.2.3
5.3
5.4
5.4.1
5.4.2
5.4.3
5.4.4
5.5
5.6
5.7
5.8
6.1
6.1.1
6.1.2
6.1.3
6.1.4
6.2
6.2.1
6.2.2
6.2.3
viii
Data Transfer Operations............................................................................. 4-1
Data Transfer Operations............................................................................ 5-1
Bus Arbitration .......................................................................................... 5-11
Bus Arbitration Control .............................................................................. 5-15
Bus Error and Halt Operation .................................................................... 5-23
Reset Operation ........................................................................................ 5-29
The Relationship of DTACK, BERR, and HALT ......................................... 5-30
Asynchronous Operation .......................................................................... 5-32
Synchronous Operation ............................................................................ 5-35
Privilege Modes............................................................................................ 6-1
Exception Processing................................................................................... 6-4
Write Cycle ............................................................................................... 4-3
Read-Modify-Write Cycle.......................................................................... 4-5
Other Bus Operations............................................................................... 4-8
Write Cycle .............................................................................................. 5-4
Read-Modify-Write Cycle......................................................................... 5-7
CPU Space Cycle.................................................................................... 5-9
Requesting The Bus .............................................................................. 5-14
Receiving The Bus Grant ...................................................................... 5-15
Acknowledgment of Mastership (3-Wire Arbitration Only)..................... 5-15
Bus Error Operation .............................................................................. 5-24
Retrying The Bus Cycle......................................................................... 5-26
Halt Operation ....................................................................................... 5-27
Double Bus Fault ................................................................................... 5-28
Privilege Mode Changes .......................................................................... 6-2
Reference Classification........................................................................... 6-3
Kinds Of Exceptions ................................................................................. 6-5
Multiple Exceptions................................................................................... 6-8
Read Operations ...................................................................................... 4-1
Read Operations ..................................................................................... 5-1
Supervisor Mode ...................................................................................... 6-2
User Mode ................................................................................................ 6-2
Exception Vectors .................................................................................... 6-4
TABLE OF CONTENTS (Continued)
Freescale Semiconductor, Inc.
For More Information On This Product,
16-Bit Bus Operations
Exception Processing
M68000 USER’S MANUAL
8-Bit Bus Operations
Go to: www.freescale.com
Section 4
Section 5
Section 6
Title
MOTOROLA
Number
Page