mcf5272 Freescale Semiconductor, Inc, mcf5272 Datasheet - Page 20

• Manufacturer Part Number: mcf5272
• Description: Mcf5272 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

Paragraph
Number
20.1
20.2
20.2.1
20.2.2
20.2.3
20.2.4
20.2.5
20.3
20.4
20.5
20.5.1
20.6
20.6.1
20.6.2
20.7
20.8
20.9
20.10
20.11
20.12
20.12.1
20.12.2
20.12.3
20.12.4
21.1
21.2
21.3
21.4
21.5
21.6
21.7
xx
Features ............................................................................................................. 20-1
Bus and Control Signals.................................................................................... 20-1
Bus Exception: Double Bus Fault..................................................................... 20-4
Bus Characteristics............................................................................................ 20-4
Data Transfer Mechanism................................................................................. 20-4
External Bus Interface Types............................................................................ 20-8
Burst Data Transfers ....................................................................................... 20-18
Misaligned Operands ...................................................................................... 20-18
Interrupt Cycles............................................................................................... 20-19
Bus Errors ....................................................................................................... 20-20
Bus Arbitration................................................................................................ 20-22
Reset Operation............................................................................................... 20-22
Overview........................................................................................................... 21-1
JTAG Test Access Port and BDM Debug Port................................................. 21-2
TAP Controller.................................................................................................. 21-3
Boundary Scan Register.................................................................................... 21-4
Instruction Register........................................................................................... 21-7
Restrictions ....................................................................................................... 21-8
Non-IEEE 1149.1 Operation............................................................................. 21-9
Address Bus (A[22:0]).................................................................................. 20-2
Data Bus (D[31:0]) ....................................................................................... 20-2
Read/Write (R/W)......................................................................................... 20-2
Transfer Acknowledge (TA)......................................................................... 20-3
Transfer Error Acknowledge (TEA)............................................................. 20-3
Bus Sizing ..................................................................................................... 20-5
Interface for FLASH/SRAM Devices with Byte Strobes............................. 20-8
Interface for FLASH/SRAM Devices without Byte Strobes...................... 20-13
Master Reset ............................................................................................... 20-23
Normal Reset .............................................................................................. 20-24
Software Watchdog Timer Reset Operation............................................... 20-25
Soft Reset Operation................................................................................... 20-26
IEEE 1149.1 Test Access Port (JTAG)
MCF5272 User’s Manual
CONTENTS
Bus Operation
Chapter 20
Chapter 21
Title
MOTOROLA
Number
Page