MCF5282CVM66 Freescale, MCF5282CVM66 Datasheet - Page 619
MCF5282CVM66
Manufacturer Part Number
MCF5282CVM66
Description
Manufacturer
Freescale
Datasheet
1.MCF5282CVM66.pdf
(766 pages)
Specifications of MCF5282CVM66
Cpu Family
MCF528x
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
66MHz
Interface Type
CAN/I2C/QSPI/UART
Total Internal Ram Size
64KB
# I/os (max)
150
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
3.3V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
256
Package Type
MA-BGA
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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Chapter 30
Debug Support
This chapter describes the Revision A enhanced hardware debug support.
30.1
The debug module is shown in
Debug support is divided into three areas:
Freescale Semiconductor
•
•
•
Real-time trace support—The ability to determine the dynamic execution path through an
application is fundamental for debugging. The ColdFire solution implements an 8-bit parallel
output bus that reports processor execution status and data to an external emulator system. See
Section 30.3, “Real-Time Trace
Background debug mode (BDM)—Provides low-level debugging in the ColdFire processor
complex. In BDM, the processor complex is halted and a variety of commands can be sent to the
processor to access memory and registers. The external emulator uses a three-pin, serial,
full-duplex channel. See
“Programming
Real-time debug support—BDM requires the processor to be halted, which many real-time
embedded applications cannot do. Debug interrupts let real-time systems execute a unique service
routine that can quickly save the contents of key registers and variables and return the system to
normal operation. External development systems can access saved data because the hardware
supports concurrent operation of the processor and BDM-initiated commands. See
“Real-Time Debug
Overview
Enabling Flash security disables BDM communications.
Control
Model.”
BKPT
Support.”
Figure 30-1. Processor/Debug Module Interface
Figure
PST[3:0], DDATA[3:0]
Section 30.5, “Background Debug Mode
ColdFire CPU Core
Debug Module
Trace Port
CLKOUT
30-1.
Support.”
NOTE
Communication Port
DSCLK, DSI, DSO
(BDM),” and
High-speed
local bus
Section 30.4,
Section 30.6,
30-1
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