MC68EC040RC25A Freescale Semiconductor, MC68EC040RC25A Datasheet - Page 9

• Manufacturer Part Number: MC68EC040RC25A
• Description: IC MPU 32BIT 25MHZ 179-PGA
• Manufacturer: Freescale Semiconductor

Specifications of MC68EC040RC25A

• Processor Type: M680x0 32-Bit
• Speed: 25MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 179-PGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

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