MC68EC040RC40A Freescale Semiconductor, MC68EC040RC40A Datasheet - Page 21

• Manufacturer Part Number: MC68EC040RC40A
• Description: IC MPU 32BIT 40MHZ 179-PGA
• Manufacturer: Freescale Semiconductor

Specifications of MC68EC040RC40A

• Processor Type: M680x0 32-Bit
• Speed: 40MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 179-PGA
• Lead Free Status / RoHS Status: Contains lead / RoHS Compliant
• Features: -

8-5
8-6
9-1
9-2
9-3
9-4
9-5
9-6
9-7
9-8
9-9
9-10
9-11
9-12
9-13
9-14
9-15
9-16
10-1
10-2
10-3
10-4
11-1
11-2
11-3
11-4
11-5
11-6
C-1
C-2
C-3
E-1
E-2
E-3
E-4
MOTOROLA
Number
Table
Write-Back Data Alignment .......................................................................... 8-27
Access Error Stack Frame Combinations .................................................... 8-31
Floating-Point Control Register Encodings .................................................. 9-3
MC68040 FPU Data Formats and Data Types ............................................ 9-7
Single-Precision Real Format Summary ...................................................... 9-8
Double-Precision Real Format Summary..................................................... 9-9
Extended-Precision Real Format Summary ................................................. 9-10
Packed Decimal Real Format Summary ...................................................... 9-11
Floating-Point Condition Code Encodings.................................................... 9-17
Floating-Point Conditional Tests .................................................................. 9-19
Floating-Point Exception Vectors ................................................................. 9-20
Unimplemented Instructions ......................................................................... 9-21
Possible Operand Errors Exceptions ........................................................... 9-29
Overflow Rounding Mode Values................................................................. 9-32
Underflow Rounding Mode Values............................................................... 9-34
Possible Divide by Zero Exceptions ............................................................. 9-36
Divide by Zero Rounding Mode Values........................................................ 9-37
State Frame Field Information ...................................................................... 9-44
Instruction Timing Index ............................................................................... 10-1
Number of Memory Accesses ...................................................................... 10-3
CINV Timing ................................................................................................. 10-8
CPUSH Best and Worst Case Timing .......................................................... 10-8
Maximum Power Dissipation for Output Buffer Mode Configuration ............ 11-13
Thermal Parameters with No Heat Sink or Airflow ....................................... 11-17
Thermal Parameters with Forced Airflow and
Thermal Parameters with Forced Airflow and
Thermal Parameters with Heat Sink and No Airflow .................................... 11-21
Thermal Parameters with Heat Sink and Airflow.......................................... 11-22
Additional MC68040V and MC68EC040V Signals....................................... C-2
Bus Encodings During LPSTOP Broadcast Cycle ....................................... C-4
IEEE Standard 1149.1A Instructions............................................................ C-12
MC68040 Floating-Point Instructions ........................................................... E-2
MC68040FPSP Floating-Point Instructions.................................................. E-3
Support for Data Types and Data Formats .................................................. E-4
Exception Conditions ................................................................................... E-4
No Heat Sink for the MC68040 .................................................................. 11-18
No Heat Sink for the MC68LC040 and MC68EC040 ................................. 11-19
LIST OF TABLES (Continued)
Freescale Semiconductor, Inc.
For More Information On This Product,
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M68040 USER’S MANUAL
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