eZdsp
TM
LF2407
2000 DSP Development Systems
Reference
Technical
eZdsp
TM
LF2407
Technical Reference
505565-0001 Rev. B
December 2000
SPECTRUM DIGITAL, INC.
12502 Exchange Dr., Suite 440 Stafford, TX. 77477
Tel: 281.494.4505 Fax: 281.494.5310
sales@spectrumdigital.com www.spectrumdigital.com
IMPORTANT NOTICE
Spectrum Digital, Inc. reserves the right to make changes to its products or to discontinue any
product or service without notice. Customers are advised to obtain the latest version of relevant
information to verify data being relied on is current before placing orders.
Spectrum Digital, Inc. warrants performance of its products and related software to current
specifications in accordance with Spectrum Digital’s standard warranty. Testing and other quality
control techniques are utilized to the extent deemed necessary to support this warranty.
Please be aware, products described herein are not intended for use in life-support appliances,
devices, or systems. Spectrum Digital does not warrant, nor is it liable for, the product described
herein to be used in other than a development environment.
Spectrum Digital, Inc. assumes no liability for applications assistance, customer product design,
software performance, or infringement of patents or services described herein. Nor does Spectrum
Digital warrant or represent any license, either express or implied, is granted under any patent right,
copyright, or other intellectual property right of Spectrum Digital, Inc. covering or relating to any
combination, machine, or process in which such Digital Signal Processing development products or
services might be or are used.
WARNING
This equipment is intended for use in a laboratory test environment only. It generates, uses, and can
radiate radio frequency energy and has not been tested for compliance with the limits of computing
devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable
protection against radio frequency interference. Operation of this equipment in other environments
may cause interference with radio communications, in which case the user, at his own expense, will
be required to take any measures necessary to correct this interference.
TRADEMARKS
eZdsp is a trademark of Spectrum Digital, Inc.
Copyright
©
2000 Spectrum Digital, Inc.
Contents
1 Introduction to the eZdsp
TM
LF2407 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Provides a description of the eZdsp
TM
LF2407, key features, and board outline.
1.0 Overview of the eZdsp
TM
LF2407 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.1 Key Features of the eZdsp
TM
LF2407 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.2 Functional Overview of the eZdsp
TM
LF2407 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 Operation of the eZdsp
TM
LF2407 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Describes the operation of the eZdsp
TM
LF2407. Information is provided on the DSK’s various
interfaces.
2.0 The eZdsp
TM
LF2407 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.1 The eZdsp
TM
LF2407 Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.1.1 Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.2 eZdsp
TM
LF2407 Memory Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.2.1 Program Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.2.2 Data Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2.2.3 I/O Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2.3 eZdsp
TM
LF2407 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2.3.1 P1/P7, Analog Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
2.3.2 P2/P8, I/O Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
2.3.3 P3, Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2.3.4 P6, Expansion connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
2.3.5 P9, Parallel Port/JTAG Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2.3.6 P10, JTAG Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2.3.7 Connector Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2.4 eZdsp
TM
LF2407 Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2.4.1 JP1, VREFHI Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2.4.2 JP2, VREFLO Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
2.4.3 JP3, Vpp/Watchdog Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
2.4.4 JP4, MP/MC Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
2.5 LEDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
2.6 Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
A eZdsp
TM
LF2407 Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Contains the schematics for the eZdsp
TM
LF2407
B eZdsp
TM
LF2407 Mechanical Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Contains the mechanical information about the eZdsp
TM
LF2407
List of Figures
Figure 1-1, Block Diagram eZdsp
TM
LF2407 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Figure 2-1, eZdsp
TM
LF2407 PCB Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Figure 2-2, eZdsp
TM
LF2407 Program Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Figure 2-3, eZdsp
TM
LF2407 Data Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Figure 2-4, eZdsp
TM
LF2407 Connector Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Figure 2-5, Connector P1/P7 Pin Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Figure 2-6, Connector P2/P8 Pin Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Figure 2-7, Connector P3 Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Figure 2-8, eZdsp
TM
LF2407 Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Figure 2-9, Connector P6 Pin Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Figure 2-10, Connector P10 Pin Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Figure 2-11, 1 x 3 Jumper Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Figure 2-12, eZdsp
TM
LF2407 Jumper Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
List of Tables
Table 2-1, eZdsp
TM
LF2407 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Table 2-2, P1 Analog Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Table 2-3, P7 Analog Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Table 2-4, P2 I/O Analog Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Table 2-5, P8 I/O Analog Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Table 2-6, P6 Expansion Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Table 2-7, P10, JTAG Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Table 2-8, eZdsp
TM
LF2407 Suggested Connector Part Numbers . . . . . . . . . . . . . . . . . 2-15
Table 2-9, eZdsp
TM
LF2407 Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Table 2-10, JP1, VREFHI Source Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Table 2-11, JP2, VREFLO Source Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Table 2-12, JP3, Vpp/Watchdog Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Table 2-13, JP4, MP/MC Mode Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Table 2-14, LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
