AN2008 Motorola / Freescale Semiconductor, AN2008 Datasheet
AN2008
Related parts for AN2008
AN2008 Summary of contents
Page 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., 2000. All rights reserved. ® 68K Target System: Order Number: AN2008/D Rev. 0, 7/2000 ...
Page 2
... Motorola has funded the development of an assembler code converter - PortASM/68K, written by MicroAPL Ltd. in the U.K. (Consult http://www.mot.com/SPS/HPESD/tools/companion.html This utility will run on either PC’s (under DOS, Windows 3.x, Windows95/98 & Windows NT) or Sun Workstations (under SunOS or Solaris) and is available free of charge via download from the web. This ...
Page 3
Design Considerations The MC68EC020 is a low-cost, (high performance) embedded derivative of the popular 32-bit MC68020 Microprocessor. The major differences between the MC68020 and the MC68EC020 is that the MC68EC020 has a 24-bit address bus and does not implement ...
Page 4
Design Considerations Clock Clock input multiplied PLL JTAG JTAG interface Master bus arbitration 4K SRAM Debug module BDM interface ColdFire module A key feature required for debugging a microprocessor system is memory. This allows the designer to download and run ...
Page 5
MC68EC020 PGA—MCF5307FT, Gateway Reference Design This section includes the following subsections: • MCF5307 CPU, Clock, RESET and BDM Circuit • RS232 Communications Port • MC5307FT Microprocessor Connection • FSRAM and Flash Memory Connections • PLL PSU and Initialization of ...
Page 6
MC68EC020 PGA—MCF5307FT, Gateway Reference Design The test mode signals on the MCF5307 microprocessor determine whether the device operates in BDM or JTAG test mode. The MTMOD0 is the key signal that determines this selection so the MTMOD[3:1] signals should be ...
Page 7
Pull-up resistors R5-R8 (10K) are required for stable FLASH operation and these are connected to /BYTE, RY/BY, RP and WP active low pins on the chip. The pull-up resistor attached to the /BYTE pin on the FLASH device sets the ...
Page 8
MC68EC020 PGA—MCF5307FT, Gateway Reference Design Alternatively, if both the transfer type and modifier pins are all de-asserted, the transfer modifier pins carry the interrupt level being acknowledged. Thus in this case, interrupt level 7 would be acknowledged. The bus is ...
Page 9
Jumper JP3 is used to select either on-module FLASH chip select or off-module user chip select. If the jumper is in position 2 /3, off-module user chip select is activated and the local FLASH chip select if the jumper is ...
Page 10
PALASM Control Equations for PAL U10 Appendix A PALASM Control Equations for PAL U10 TITLE U10_BUS_ARBITRATION PATTERN P00001 REVISION 1 DATE 5th March 1998 AUTHOR Pete Highton COMPANY Motorola SPS (c) 1998 CHIP U10 PALCE16V8 PIN 1 CLK PIN 2 ...
Page 11
Appendix B PALASM Control Equations for PAL U11 TITLE PATTERN REVISION DATE AUTHOR COMPANY CHIP U11 PALCE16V8 PIN 1 CLK PIN 2 /DSACK0 PIN 3 /DSACK1 PIN 4 /CS0 PIN 5 /CS1 PIN 6 /CS2 PIN 7 /CS3 PIN 8 ...
Page 12
Appendix C—Schematics ;----------------------------------- Simulation Segment ------------ SIMULATION TRACE_ON DSACK0 DSACK1 TA SETF /DSACK0 /DSACK1 CLOCKF CLK CLOCKF CLK SETF DSACK0 CLOCKF CLK CLOCKF CLK SETF /DSACK0 /DSACK1 CLOCKF CLK CLOCKF CLK SETF DSACK1 CLOCKF CLK CLOCKF CLK SETF /DSACK0 /DSACK1 ...
Page 13
MCF5307 to MC68EC020 Gateway Reference Design Appendix C—Schematics 13 ...
Page 14
Appendix C—Schematics 14 MCF5307 to MC68EC020 Gateway Reference Design ...
Page 15
MCF5307 to MC68EC020 Gateway Reference Design Appendix C—Schematics 15 ...
Page 16
Appendix C—Schematics 16 MCF5307 to MC68EC020 Gateway Reference Design ...
Page 17
MCF5307 to MC68EC020 Gateway Reference Design Appendix C—Schematics 17 ...
Page 18
Appendix C—Schematics 18 MCF5307 to MC68EC020 Gateway Reference Design ...
Page 19
MCF5307 to MC68EC020 Gateway Reference Design Appendix C—Schematics 19 ...
Page 20
... Technical Information Center: 1–800–521–6274 HOME PAGE: http://www.motorola.com/semiconductors Document Comments : FAX (512) 895-2638, Attn: RISC Applications Engineering World Wide Web Addresses : http://www.motorola.com/PowerPC http://www.motorola.com/NetComm http://www.motorola.com/ColdFire are registered trademarks of Motorola, Inc. Motorola, Inc Equal AN2008/D ...