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1/1999
Draft 1.4
ª
EXCIMER USERÕS MANUAL
Minimal PowerPC 603e Evaluation
Board
Motorola RISC Applications
risc10@email.sps.mot.com
This document describes operation of the Excimer PowerPC 603eª evaluation board
manufactured by Motorola. Excimer is an implementation of a minimal PowerPC design
as described in the application note AN1769D, ÒDesigning a Minimal PowerPCª
SystemÓ.
This UserÕs Manual is a very dynamic document which will be updated frequently with
Motorola enhancements and customer feedback. Updates are available on our website:
http://www.mot.com/SPS/PowerPC/teksupport/teklibrary/index.html
The instructions in this manual are speciÞc to a particular revision of the components in the
Excimer kit. The revisions in effect at this writing are shown in Table 1.
This document contains information on a new product under development by Motorola. Motorola reserves the right to change or
discontinue this product without notice.
© Motorola, Inc., 1999. All rights reserved.
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Summary of Contents for Motorola Minimal PowerPC 603e
- Page 1 The instructions in this manual are speciÞc to a particular revision of the components in the Excimer kit. The revisions in effect at this writing are shown in Table 1. This document contains information on a new product under development by Motorola. Motorola reserves the right to change or discontinue this product without notice.
- Page 2 Proof of concept for system design-in 1.1 Features The EXCIMER board has the following features: ¥ 1 MByte of RAM (only 512KB on rev X2) ¥ 4 Mbytes of FLASHROM ¥ 2 serial ports ¥ PowerPC 603e microprocessor Minimal PowerPC 603e Evaluation Board MOTOROLA...
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Page 3: Physical Layout
Several demonstration copies of C compilers/debuggers on CDROM ¥ PowerPC documentation CD ¥ EXCIMER UserÕs Manual (this document) ¥ DINK UserÕs Manual 1.3 Physical Layout Figure 2 shows the physical layout of the Excimer board with several important features labeled. MOTOROLA Minimal PowerPC 603e Evaluation Board... -
Page 4: Part 2 Getting Started
CAUTION: Get the orientation correct! Pin 1 on the cable has a red stripe; Pin 1 on the JTAG connector is labeled. While the connector is designed to be keyed, the cables rarely are. NOTE: The JTAG connectorÕs pin 1 will be rotated 180 degrees from revision X2 to revision X3 to better Minimal PowerPC 603e Evaluation Board MOTOROLA... - Page 5 MDINK_603e >> 9. The user now has a short interval to halt the boot process and remain in MDINK by hitting any key. From MDINK, you can download upgrades to DINK available from MotorolaÕs website or other software in s-record format.
- Page 6 ¥ Display, setting, removal of instruction breakpoints DINK is an example of a ROM-resident debugger. It resides in ROM and is copied down to RAM for execution. ROM resident debuggers are often criticized because: Minimal PowerPC 603e Evaluation Board MOTOROLA...
- Page 7 PowerPC Microprocessor though the parallel port of the PC. It translates software commands from various debugger vendors such as Cygnus, Green Hills, Metaware, Metrowerks, Microtec, Motorola, SDS, Tasking, and Wind River that utilize MacraigorÕs On-Chip Debug (OCD) Application Programming Interface (API).
- Page 8 Part 2 Downloading a DINK Upgrade DINK32 as supplied on the Excimer board is available from MotorolaÕs website in source or s-record format. While not ofÞcially supported, DINK32 serves as an application note of example PowerPC code. It is often enhanced with new functionality, support for new microprocessors or reference designs, and bug Þxes.
- Page 9 MDINK will erase all of FLASHROM and the board will be inoperable at the next reset. Should such an unfortunate event occur, MDINK will have to be reloaded into ßash through the JTAG port (probably in MotorolaÕs Apps Lab). MOTOROLA...
- Page 10 The suggested address columns in Table 2 represent the address that DINK uses to address this function. Minimal PowerPC 603e Evaluation Board MOTOROLA...
- Page 11 A copy of this Þle name xref.txt is generally provided by Motorola with the s-record Þle for a new build of DINK. As an example, Table 3 provides some key addresses combed from the xref.txt for DINK32 version 10.3.
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Page 12: Part 6 Frequency Control
Byte Write Enable Part 6 Frequency Control Motorola reserves the right to ship several different frequencies of PowerPC 603e processor on the Excimer board (Excimer often utilizes excess inventory). Consult the PowerPC 603e Hardware SpeciÞcation on our Minimal PowerPC 603e Evaluation Board... - Page 13 Motorola sales ofÞce for more information on the range of frequencies that the 603e will operate at. The maximum frequency of operation under the full spec recommended temperature and voltage ranges is encoded in the part number on the top of the part. This number might be 233MHz or 266MHz or 300MHz (always integer or half integer multiples of the 66MHz Excimer clock speed).
- Page 14 The kit is meant to be a low-cost example of a PowerPC design suitable for learning, teaching, or experimenting. Substantive applications that require large memory, PCI devices, or other advanced features should explore the Yellowknife platform also available from Motorola or evaluation systems from numerous third party vendors.
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Page 15: Appendix A Troubleshooting
Heat sink area or processor is Òtoo Physical contact with the board is Processor is running Òtoo fastÓ for hotÓ to touch. painful. ambient cooling conditions. Reduce speed via PLL_CFG jumpers or cool with moving air. MOTOROLA Minimal PowerPC 603e Evaluation Board... - Page 16 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and speciÞcally disclaims any and all liability, including without limitation consequential or incidental damages.