MOTOROLA

MPC505

10

MPC505ADI/D

DEVELOPMENT SUPPORT

MPC505 development support features include internal breakpoint comparators, internal bus visi-

bility, program flow tracking, and a development port.

• Breakpoints Force Exception-Handling when User-Programmable Conditions Are Met

• Watchpoints Are Reported on External Pins when User-Programmable Conditions are Met

• Show-cycle Features Allow Internal Bus Activity to be Visible Externally

• Program Flow Tracking

— Exact program trace can be obtained with minimal decrease in performance.

— Instruction execution tracking output signals.

• Hardware and Software Debug Modes

— Hardware debug mode supports debugging with an in-circuit emulator. All development

support features are protected for use by an in-circuit emulator. Instructions are shifted in

and data is shifted in and out through the development port.

— Software debug mode supports debugging with a software monitor. All development sup-

port features are protected for use by an exception handler (i.e., a software monitor pro-

gram).

• Development Port

— Allows external development system full control over the CPU during debug without using

regular bus pins and without placing restrictions on user software.

— Uses a three-pin serial interface for both software and hardware debug modes.

— Allows external breakpoints in either hardware or software debug mode.

— Supports both asynchronous and synchronous serial transmissions.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com