P&E Microcomputer Systems, Inc.
P.O. Box 2044, Woburn, MA 01888, USA
TEL: (617) 353-9206 FAX: (617) 353-9205
http://www.pemicro.com
USB-ML-PPCNEXUS, PowerPC Nexus Multilink Rev. A (USB 2.0)
Technical Summary
Document # PE3356, Version 1.1
1.
Introduction
2.
Usage Of The PowerPC Nexus Multilink
Interface
3.
Driver Installation On Windows XP/2000/2003/Vista
4.
Computers Running Windows 95, 98, ME, or NT
5.
Using A USB Hub
6.
Connecting To The Target
7.
Startup Reset Sequence
8.
Interface Libraries
9.
Firmware Updates
1.0
Introduction
P&E’s USB POWERPC NEXUS MULTILINK Interface provides access to the JTAG/Nexus port on
Freescale PowerPC MPC55xx processors. It is the hardware interface between a USB port on a Windows
2000, 2003, XP, or Vista machine and the standard 14-pin “Berg” debug connector on the target. By
using the USB PowerPC Nexus Multilink, the user can take advantage of the JTAG/Nexus debug mode to
halt normal processor execution and use a PC to control the processor. The user can then directly control
the target’s execution, read/write registers and memory values, debug code on the processor, and
program internal or external FLASH memory devices by using the appropriate software packages. The
pin-out of the connector as specified by Freescale is: