MC68EC040RC25 Freescale Semiconductor, MC68EC040RC25 Datasheet - Page 9
MC68EC040RC25
Manufacturer Part Number
MC68EC040RC25
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68EC040RC25.pdf
(442 pages)
Specifications of MC68EC040RC25
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
25MHz
Instruction Set Architecture
RISC
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Through Hole
Pin Count
179
Package Type
PGA
Lead Free Status / Rohs Status
Supplier Unconfirmed
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MOT
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Paragraph
7.8.2.3
7.8.2.4
7.9
7.9.1
7.9.2
7.9.3
7.9.4
7.10
7.11
7.11.1
7.11.2
7.11.3
8.1
8.2
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
8.2.7
8.2.8
8.2.9
8.2.10
8.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.4.6.1
8.4.6.2
8.4.6.3
8.4.6.4
MOTOROLA
Number
Bus Snooping Operation ....................................................................... 7-59
Reset Operation .................................................................................... 7-65
Special Modes of Operation .................................................................. 7-68
Exception Processing Overview ............................................................ 8-1
Integer Unit Exceptions ......................................................................... 8-5
Exception Priorities ............................................................................... 8-19
Return From Exceptions........................................................................ 8-20
Snoop-Inhibited Cycle........................................................................ 7-60
Snoop-Enabled Cycle (No Intervention Required) ............................ 7-61
Snoop Read Cycle (Intervention Required) ....................................... 7-63
Snoop Write Cycle (Intervention Required) ....................................... 7-63
Output Buffer Impedance Selection ................................................... 7-68
Multiplexed Bus Mode ....................................................................... 7-68
Data Latch Enable Mode ................................................................... 7-69
Access Fault Exception ..................................................................... 8-6
Address Error Exception.................................................................... 8-8
Instruction Trap Exception ................................................................. 8-8
Illegal Instruction and Unimplemented Instruction Exceptions .......... 8-9
Privilege Violation Exception ............................................................. 8-9
Trace Exception ................................................................................. 8-10
Format Error Exception ..................................................................... 8-11
Breakpoint Instruction Exception ....................................................... 8-12
Interrupt Exception ............................................................................ 8-12
Reset Exception................................................................................. 8-17
Four-Word Stack Frame (Format $0) ................................................ 8-21
Four-Word Throwaway Stack Frame (Format $1) ............................. 8-21
Six-Word Stack Frame (Format $2) ................................................... 8-22
Floating-Point Post-Instruction Stack Frame (Format $3) ................. 8-23
Eight-Word Stack Frame (Format $4)................................................ 8-23
Access Error Stack Frame (Format $7) ............................................. 8-24
TABLE OF CONTENTS (Continued)
M68040 Synchronous DMA Arbitration .......................................... 7-55
M68040 Asynchronous DMA Arbitration ........................................ 7-57
Effective Address ........................................................................... 8-24
Special Status Word (SSW) ........................................................... 8-24
Write-Back Status .......................................................................... 8-26
Fault Address ................................................................................. 8-26
Freescale Semiconductor, Inc.
For More Information On This Product,
Exception Processing
Go to: www.freescale.com
M68040 USER’S MANUAL
Section 8
Title
Number
Page
xi
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