MC68EC040RC25 Freescale Semiconductor, MC68EC040RC25 Datasheet - Page 8

• Manufacturer Part Number: MC68EC040RC25
• Manufacturer: Freescale Semiconductor

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

Paragraph
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.7
6.2.8
6.3
6.4
6.5
6.6
6.7
7.1
7.2
7.3
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.5
7.5.1
7.5.1.1
7.5.1.2
7.5.1.3
7.5.2
7.6
7.6.1
7.6.2
7.6.3
7.7
7.8
7.8.1
7.8.2
7.8.2.1
7.8.2.2
x
Number
Boundary Scan Register ....................................................................... 6-6
Restrictions ........................................................................................... 6-12
Disabling The IEEE Standard 1149.1A Operation ................................ 6-13
Motorola M68040 BSDL Description (Version 2.2) ............................... 6-15
MC68040, MC68LC040, MC68EC040
Bus Characteristics ............................................................................... 7-1
Data Transfer Mechanism..................................................................... 7-3
Misaligned Operands ............................................................................ 7-6
Processor Data Transfers ..................................................................... 7-9
Acknowledge Bus Cycles ...................................................................... 7-29
Breakpoint Interrupt Acknowledge Bus Cycle ....................................... 7-35
Bus Exception Control Cycles............................................................... 7-36
Bus Synchronization ............................................................................. 7-43
Bus Arbitration And Examples .............................................................. 7-44
JTAG Electrical Characteristics .......................................................... 6-21
HIGHZ ............................................................................................... 6-4
SAMPLE/PRELOAD.......................................................................... 6-4
DRVCTL.T ......................................................................................... 6-4
SHUTDOWN ..................................................................................... 6-5
PRIVATE ........................................................................................... 6-5
DRVCTL.S......................................................................................... 6-5
BYPASS ............................................................................................ 6-6
Byte, Word, and Long-Word Read Transfers .................................... 7-10
Line Read Transfer ............................................................................ 7-12
Byte, Word, and Long-Word Write Transfers .................................... 7-20
Line Write Transfers .......................................................................... 7-22
Read-Modify-Write Transfers (Locked Transfers) ............................. 7-26
Interrupt Acknowledge Bus Cycles .................................................... 7-29
Bus Errors ......................................................................................... 7-37
Retry Operation ................................................................................. 7-41
Double Bus Fault ............................................................................... 7-43
Bus Arbitration ................................................................................... 7-45
Bus Arbitration Examples .................................................................. 7-52
TABLE OF CONTENTS (Continued)
Interrupt Acknowledge BUS Cycle (Terminated Normally) ............ 7-31
Autovector Interrupt Acknowledge bus Cycle ................................ 7-33
Spurious Interrupt Acknowledge Bus Cycle................................... 7-34
Dual M68040 Fairness Arbitration ................................................. 7-52
Dual M68040 Prioritized Arbitration ............................................... 7-54
Freescale Semiconductor, Inc.
For More Information On This Product,
M68040 USER’S MANUAL
Go to: www.freescale.com
Bus Operation
Section 7
Title
MOTOROLA
Number
Page