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Summary of Contents for Spectrum Digital EVM320LF2407A
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Spectrum Digital EVM320LF2407A Evaluation Module for TMS320LF2407A DSP Limited Availability New From Surplus Stock Open Web Page https://www.artisantg.com/98294-1 A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
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TMS320LF2407 Evaluation Module Technical Reference 2001 DSP Development Systems Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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IMPORTANT NOTICE Spectrum Digital, Inc. reserves the right to make changes to its products or to discontinue any product or service without notice, and advises its customers to obtain the latest version of relevant information to verify, before placing orders, that the information being relied on is current.
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Contents Introduction to the TMS320LF2407 Evaluation Module ......Provides you with a description of the TMS320LF2407 Evaluation Module, key features, and board outline.
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2.11.11 Jumper JP11, Enable/Disable RTS to BIO-/IOPC1 ....... 2-22 2.11.12 Jumper JP12, Enable/Disable RXD to SCIRXD/IOPA1 .
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About This Manual This document describes the board level operations of the TMS320LF2407 evaluation module (EVM). The EVM is based on the Texas Instruments TMS320LF2407 Digital Signal Processor. The TMS320LF2407 EVM is a table top card to allow engineers and software developers to evaluate certain characteristics of the TMS320LF2407 DSP to determine if the processor meets the designers application requirements.
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Chapter 1 Introduction to the TMS320LF2407 Evaluation Module This chapter provides you with a description of the TMS32LF2407 Evaluation Module along with the key features and a block diagram of the circuit board. Topic Page Overview of the TMS320LF2407 EVM Key Features of the TMS320LF2407 EVM Functional Overview of the TMS320LF2407 EVM Artisan Technology Group - Quality Instrumentation ...
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Spectrum Digital, Inc 1.0 Overview of the TMS320LF2407 EVM The TMS320LF2407 evaluation module(EVM) is a stand-alone card that lets evaluators examine certain characteristics of the LF2407 digital signal processor(DSP) to determine if this DSP meets their application requirements. Furthermore, the module is an excellent platform to develop and run software on the LF2407 family of processors.
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Spectrum Digital, Inc 1.2 Functional Overview of the TMS320LF2407 EVM Figure 1-1 shows a block diagram of the basic configuration for the LF2407 EVM. The major interfaces of the EVM include the target ram, analog interface, CAN interface, serial boot rom, user leds and switches, RS232 interface, SPI data logging interface, and expansion interface.
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Chapter 2 Operation of the TMS320LF2407 Evaluation Module This chapter describes the operation of the TMS32LF2407 Evaluation Module along with the key interfaces and an outline of the circuit board. Topic Page The TMS320LF2407 EVM Operation The TMS320LF2407 EVM Board 2.1.1 Power Connector TMS320LF2407 Memory Interface...
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Spectrum Digital, Inc Topic Page 2.11 EVM320LF2407 Jumpers 2-17 2.11.1 Jumper JP1, Enable/Disable CAN Terminator 2-18 2.11.2 Jumper JP2, CAN Input Select 2-19 2.11.3 Jumper JP3, Serial ROM Write Protect Select 2-19 2.11.4 Jumper JP4, SPI Port Routing Select 2-19 2.11.5...
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Spectrum Digital, Inc 2.0 The TMS320LF2407 EVM Operation This chapter describes the LF2407 Evaluation module, its key components, and how they operate. It also provides information on the EVM’s various interfaces. The LF2407 EVM consists of six major blocks of logic.
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Spectrum Digital, Inc 2.1.1 Power Connector The LF2407 is powered by a 5 volt only power supply which is available with the module. An on board low drop out 3.3 volt regulator provides the 3.3 volt power. The board requires 750 milliamps at 5 volts. The power is supplied via 2 millimeter jack J1. If expansion boards are connected to the module a higher amperage power supply may be necessary.
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Spectrum Digital, Inc Figure 2-2 below shows the memory timing on the EVM320LF2407. CLKOUT ADDRESS DATA READ WRITE STRB- RAMOE- RAMWE- Figure 2-2, Zero Wait State Memory Timing Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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Spectrum Digital, Inc 2.2.1 Program Memory There are two configurations for program memory. The selection of these configurations is done by the position of jumper, JP6. If JP6 is in the 2-3 position then the DSP is in microcomputer mode and the internal flash memory is enabled from 0x0000 to 0x7fff.
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Spectrum Digital, Inc 2.2.2 Data Memory The data memory configuration is shown below. External RAM is enabled from 0x8000-0xffff. 0000 Memory-Mapped Register and Reserved 005F 0060 On-Chip 007F DARAM B2 0080 Reserved 01FF 0200 On-Chip DARAM B0 (CNF = 0)
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Spectrum Digital, Inc 2.2.3 I/O Space The I/O map for the TMS320LF2407 EVM is shown below: 0000 D/A Converter 0004 0005 Reserved 0007 4 Position DIP Switch 0008 0009 Reserved 000B LEDs 000C 000D Reserved 7FFF 8000 External FFFF Figure 2-5, I/O Space Configuration 2.3 User Switches and LEDs...
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DSP. This expansion bus allows the user to design custom circuitry to be used with his application without having to design a CPU card. In addition this interface is used by Spectrum Digital for all of its add-on modules. 2.6.1 TMS320LF2407 EVM Expansion Connector Expansion boards interface to the TMS320LF2407 EVM via an expansion bus.
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Spectrum Digital, Inc 2.6.1.1 Expansion I/O Connector The definition of P1, which has the I/O signals is shown below. Table 2: P1 I/O Pin # Signal Pin # Signal VCC, +5 Volts VCC, +5 Volts PWM1/IOPA6 PWM2/IOPA7 PWM3/IOPB0 PWM4/IOPB1 PWM5/IOPB2...
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Spectrum Digital, Inc 2.6.1.2 Expansion Analog Connector The definition of P2, which has the analog signals is shown below. Table 3: P2 Analog Pin # Signal Pin # Signal VCCA, +5V Analog VCCA, +5V Analog TMS2/IOPD7 * IOPF6 ADCIN2 ADCIN3...
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Spectrum Digital, Inc 2.6.1.3 Expansion Address and Data Connector The definition of P3, which has the address and data signals is shown below. Table 4: P3 Address/Data Pin # Signal Pin # Signal TMS320LF2407 Evaluation Module Technical Reference 2-12 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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Spectrum Digital, Inc 2.6.1.4 Expansion Control Connector The definition of P4, which has the control signals is shown below. Table 5: P4 Control Pin # Signal Pin # Signal VCC, +5 Volts VCC, +5 Volts WR-/IOPC0 STRB- R/W- READY PDPINTB-...
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The TMS320LF2407 has an on board SPI data logger interface which is compatible with the Spectrum Digital SPI515 emulator. This interface allows high speed data transfer logging using the LF2407’s SPI port. The pin out for this connector is shown in the table below.
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Spectrum Digital, Inc 2.9 On-Chip Asynchronous Serial Port The TMS320LF2407 DSP has an on-chip asynchronous serial port. This port is brought out to connector P6 on the EVM320LF2407. Connector P6 is a DB9 female connector. This RS232 connector allows the user to connect an external instrument or computer to the EVM320LF2407.
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Spectrum Digital, Inc 2.10 CAN Interface The EVM320LF2407 has a CAN interface which provides an additional high speed serial interface. A 4 pin mini-DIN female connector, P7, is used to interface to the CAN bus. The pinouts for this connector are shown in the figure and table below. The CAN termination resistor is controlled by jumper JP12.
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Spectrum Digital, Inc 2.11 EVM320LF2407 Jumpers The TMS320LF2407 EVM has 16 jumpers which determine how features on the EVM are utilized. The table below lists the jumpers and their function. The following sections describe the use of each jumper. Table 10: EVM320LF2407 Jumpers...
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Spectrum Digital, Inc The figure below shows the position of the jumpers on the LF2407 EVM. JP15 JP3-5 JP12 JP11 JP10 JP16 JP13 JP14 Figure 2-8, LF2407 EVM Jumper Positions 2.11.1 Jumper JP1, Enable/Disable CAN Terminator Jumper JP1 enables or disables the CAN termination resistor. Using position 2-3 enables the termination resistor.
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Spectrum Digital, Inc 2.11.2 Jumper JP2, CAN Input Select Jumper JP2 is used to select the source of the CANRX input signal. If position 1-2 is selected the CAN input signal is connected to the CAN receiver. Using position 2-3 allows the CANRX/IOPC7 connected to the expansion connector P4, pin 24 to be used as the signal source.
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Spectrum Digital, Inc 2.11.5 Jumper JP5, Enable/Disable Flash Programming Jumper JP5 is connected to the VCCP pin of the TMS320LF2407. On the LF2407 device this pin enables the programming of the internal flash memory. It also allows disabling the watchdog timer module. Refer to the LF2407 User’s Guide for the programming sequence to disable the watchdog timer.
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Spectrum Digital, Inc 2.11.8 Jumper JP8, VREFHI Select Jumper JP8 is used to select the source for the VREFHI pin on the TMS320LF2407. Position 1-2 selects the VCCA power which is +3.3 volts. If position 2-3 is used trim pot R1 is used which allows a variable VREF High from 0-3.3 volts.
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Spectrum Digital, Inc 2.11.11 Jumper JP11, Enable/Disable RTS to BIO-/IOPC1 Jumper JP11 enables the serial port P6 RTS- to the DSP’s BIO-/IOPC1 pin. Using position 1-2 disables this feature, while position 2-3 enables it. This is used when hardware handshaking is required on a serial port communication protocol.
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Spectrum Digital, Inc 2.11.13 Jumper JP13, Oscillator Source Select Jumper JP13 is used to select the source of the TMS320LF2407 Clockin. Jumper position 1-2 selects the onboard oscillator. If position 2-3 is used the clock is from pin 31 on the Control connector P4. The table below shows the positions and their functions.
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Spectrum Digital, Inc 2.11.16 Jumper JP16, Booten Select The EVM320LF2407 has the ability to load code from an external serial EEPROM via the on chip boot loader or the RS-232 serial link. To use the bootloader function the DSP must be in microcontroller mode (JP6). For serial ROM boot loading the SPI is routed to the serial ROM (JP4), and JP16 must be in the 2-3 position.
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Spectrum Digital, Inc 2.14 Resets There are multiple resets for the TMS320LF2407 EVM. The first reset is the power on reset which is generated by the power regulator, U12. This device waits until power is within the specified voltage range before releasing the power on reset pin to the TMS320LF2407.
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Spectrum Digital, Inc 2.18 Test Points Two test points are provided on the TMS320LF2407 EVM. They are connected to the GND, and analog ground planes. These are used for connecting test instrument’s ground probes. The table below shows the test points and their signals.
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Appendix A TMS320LF2407 EVM PAL Equations This appendix lists the two PAL logic equations that are used on the TMS320LF2407 Evaluation Module (EVM). Topic Page Decode PAL Equations Glue Logic PAL Equations Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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A.1 Decode PAL Equations The following PAL equations are used for the decode logic ** 504883a.tdl ** Drawing Number: 504883a ** Title: TMS320LF2407 EVM Decode ** Customer Name: Spectrum Digital Inc. ** Company: Spectrum Digital Inc. ** Engineer: Ron Peterson 504883(in /* A2...
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The following PAL equations are used for the glue logic control. ** 504884b.tdl ** Drawing Number: 504884 ** Title: TMS320LF2407 EVM Decode ** Customer Name: Spectrum Digital Inc. ** Company: Spectrum Digital Inc. ** Engineer: Ron Peterson 504884(inA0, /* DSP address a0...
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Appendix B TMS320LF2407 EVM Schematics This appendix contains the schematics for the TMS320LF2407 EVM. The schematics were drawn on ORCAD. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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Appendix C DAC7625 Digital-to-Analog Converter Programming Information This appendix contains the programming information for the DAC7625 Digital-to-Analog Converter(DAC) as it is used on the EVM320LF2407 Evaluation Module (EVM). Topic Page DAC7625 Digtial-to-Analog Converter DAC7625 Pin Configuration DAC7625 Pin Assignment Theory of Operation Analog Outputs Reference Inputs Digital Interface...
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Spectrum Digital, Inc C.1 DAC7625 DIGITAL-to-ANALOG CONVERTER The EVM320LF2407 uses a DAC7625 Digital-to-Analog Converter (DAC) manufactured by BURR-BROWN. The following sections describe the functionality of this device as it is used on the EVM320LF2407 For complete information regarding this device the user is referred to the data sheet which is available from the BURR-BROWN website at “www.burr-brown.com”.
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Spectrum Digital, Inc C.3 Pin Descriptions Table 1: Pin Descriptions Pin # Pin Name Description Reference Input voltage High. Sets maximum output voltage for all DACs. REFH DAC B Voltage Output. OUTB DAC A Voltage Output. OUTA Negative Analog Supply Voltage, 0 or -5V.
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Spectrum Digital, Inc C.4 Theory of Operation The DAC7625 is a quad, voltage output, 12 bit digital-to-analog converter (DAC). The architecture is a classic R-2R ladder configuration followed by an operational amplifier that serves as a buffer. Each DAC has its own R-2R ladder network and output op-amp, but all share the reference voltage inputs.
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Spectrum Digital, Inc C.7 Digital Interface Table I shows the basic control logic for the DAC7625. Note that each internal register is level triggered and not edge triggered. When the appropriate signal is LOW, the resister becomes more transparent. When the signal is returned HIGH, the digital word currently in the register is latched.
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Spectrum Digital, Inc C.8 I/O Mapping The DAC7625 DAC resides at addresses 0x0000-0x0004 in the I/O address space on the EVM420LF2407 These are write only locations. Locations 0x0000 - 0x0003 contain the holding registers for channels 1-4 respectively. By writing to location 0x0004 the data presently in the individual channel holding registers is transferred to the DACs for output conversion.
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Appendix D EVM320 Mechanical Information This appendix contains the mechanical information about the EVM and Wire Wrap Prototype Modules produced by Spectrum Digital. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
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