MPC821 datasheet(11/242 Pages) NXP

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Hardware Preparation and Installation

MPC8XXFADS Design Specification—Rev 0.1

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

FIGURE 2-4 Host Controlled Operation Scheme

2•4•2

Debug Port Controller For Target System

This configuration resembles the previous, but here the local MPC is removed from its socket while

the FADS is connected via a 10 lead Flat-Cable between P5 and a matching connector on a target

system.

WARNNING

When connecting the FADS to a target system via

P5 and a 10 lead flat-cable, the MPC MUST be RE-

MOVED from its SOCKET. Otherwise, PERMANENT

DAMAGE might be inflicted to either the Local MPC

or to the Target MPC.

With this mode of operation, all on-board modules are disabled and can not be accessed in anyway,

except for the debug port controller. Also, all indications except for 5V power, 3.3V-PowerA and RUN

are darkened.

All debugger commands and debugging features are available in this mode, including s/w download,

breakpoints, etc‘... The target system may be reset or interrupted by the debug port or reset by the

FADS’s RESET switches. It is the responsibility of the target system designer, to provide Power-On-

Reset and HARD-Reset configurations, while SOFT-Reset configuration is provided by the debug-

port controller. See also 4•12•1 "MPC8XXFADS As Debug Port Controller For Target System" on

page 58.

A. On Daughter Board.

Host

Computer

5V Power Supply

ADI

37 Wire

Flat Cable

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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