MC68EC020FG25 Freescale Semiconductor, MC68EC020FG25 Datasheet - Page 5

• Manufacturer Part Number: MC68EC020FG25
• Description: IC MPU 32 BIT 25MHZ 100-QFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68EC020FG25

• Processor Type: M680x0 32-Bit
• Speed: 25MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

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5.5.2
5.5.3
5.5.4
5.6
5.7
5.7.1
5.7.1.1
5.7.1.2
5.7.1.3
5.7.1.4
5.7.2
5.7.2.1
5.7.2.2
5.7.2.3
5.8
6.1
6.1.1
6.1.2
6.1.3
6.1.4
6.1.5
6.1.6
6.1.7
6.1.8
6.1.9
6.1.10
6.1.11
6.1.12
6.2
6.2.1
6.2.2
6.2.3
6.3
6.4
MOTOROLA
Number
Bus Synchronization................................................................................ 5-62
Bus Arbitration ......................................................................................... 5-62
Reset Operation ...................................................................................... 5-76
Exception Processing Sequence ............................................................ 6-1
Bus Fault Recovery ................................................................................. 6-21
Coprocessor Considerations ................................................................... 6-25
Exception Stack Frame Formats ............................................................. 6-25
Halt Operation...................................................................................... 5-60
Double Bus Fault ................................................................................. 5-60
MC68020 Bus Arbitration .................................................................... 5-63
MC68EC020 Bus Arbitration ............................................................... 5-70
Reset Exception................................................................................... 6-4
Bus Error Exception ............................................................................. 6-4
Address Error Exception...................................................................... 6-6
Instruction Trap Exception ................................................................... 6-6
Illegal Instruction and Unimplemented Instruction Exceptions ............ 6-7
Privilege Violation Exception ............................................................... 6-8
Interrupt Exceptions ............................................................................. 6-11
Breakpoint Instruction Exception ......................................................... 6-17
Multiple Exceptions.............................................................................. 6-17
Return from Exception ......................................................................... 6-19
Special Status Word (SSW)................................................................. 6-21
Using Software to Complete the Bus Cycles ....................................... 6-23
Completing the Bus Cycles with RTE .................................................. 6-24
Retry Operation ................................................................................... 5-56
Trace Exception ................................................................................... 6-9
Format Error Exception ....................................................................... 6-10
TABLE OF CONTENTS (Continued)
Bus Request (MC68020) ................................................................. 5-66
Bus Grant (MC68020) ...................................................................... 5-66
Bus Grant Acknowledge (MC68020) ............................................... 5-66
Bus Arbitration Control (MC68020) .................................................. 5-67
Bus Request (MC68EC020) ............................................................ 5-71
Bus Grant (MC68EC020) ................................................................. 5-71
Bus Arbitration Control (MC68EC020) ............................................. 5-73
SECTION 1: OVERVIEW
Exception Processing
M68020 USER’S MANUAL
Section 6
Title
UM Rev 1
Number
Page
ix