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NXP Semiconductors DSP56362EVM User Manual

NXP Semiconductors DSP56362EVM User Manual

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Freescale Semiconductor, Inc.
DSP56362EVMUM/AD
02/01
REV # 2.5
DSP56362EVM
User's Manual
Motorola, Incorporated
emiconductor Products Sector
S
6501 William Cannon Drive West
Austin, TX 78735-8598
For More Information On This Product,
Go to: www.freescale.com

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Summary of Contents for NXP Semiconductors DSP56362EVM

  • Page 1 Freescale Semiconductor, Inc. DSP56362EVMUM/AD 02/01 REV # 2.5 DSP56362EVM User’s Manual Motorola, Incorporated emiconductor Products Sector 6501 William Cannon Drive West Austin, TX 78735-8598 For More Information On This Product, Go to: www.freescale.com...
  • Page 2 Freescale Semiconductor, Inc. This document (and other documents) can be viewed on the World Wide Web at http://www.motorola-dsp.com. This manual is one of a set of three documents. You need the following manuals to have complete product information: Family Manual, User’s Manual, and Technical Data.

  • Page 3: Table Of Contents

    Freescale Semiconductor, Inc. CONTENTS Paragraph Page Title Number Number Introduction ..........1-1 Feature Description .
  • Page 4 Freescale Semiconductor, Inc. CONTENTS Paragraph Page Title Number Number Pass-Through Operation ........6-1 Receive Interrupt Service Routines .
  • Page 5 Demonstration Configuration ........1-4 DSP56362EVM Cable Connections .......1-6 Default Jumper Locations Shown for Digital Input .
  • Page 6 Freescale Semiconductor, Inc. List of Figures Figure Page Title Number Number MOTOROLA For More Information On This Product, Go to: www.freescale.com...
  • Page 7 Freescale Semiconductor, Inc. List of Tables Table Page Title Number Number Jumpers as Installed ......... .2-1 Analog I/O Clocking Mode .

  • Page 8: Table Number

    Freescale Semiconductor, Inc. List of Tables Table Page Title Number Number viii MOTOROLA For More Information On This Product, Go to: www.freescale.com...
  • Page 9 Freescale Semiconductor, Inc. About This Manual This manual describes the functionality and use of the DSP56362EVM (Evaluation Mod- ule). Motorola offers several different ROM software versions of the DSP56362 that are supported with this EVM. DSP56362 ROM versions are available to support technolo- gies from third party licenses, such as Dolby Laboratories™, and DTS™.
  • Page 10 Freescale Semiconductor, Inc. About This Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 11: Introduction

    INTRODUCTION This section describes the basic features, hardware description and installation of the DSP56362EVM (Evaluation Module). The manual also describes the equipment and software required. Code samples and self-test code are provided on an accompanying software diskette. The schematic diagram and parts of the Evaluation Module are included in this manual. This is a generic hardware/software configuration.

  • Page 12: Feature Description

    OVERVIEW Feature Description FEATURE DESCRIPTION The DSP56362EVM is a low-cost platform for multichannel digital audio applications design, prototyping, and development. See Figure1-2. Figure 1-2 Consumer Audio Evaluation and Prototyping Platform The fully assembled and tested circuit board contains the following.

  • Page 13: Hardware Description

    • Evaluation Module board • Domain Technologies CD • Debug - Evaluation Module manual is provided on the CD-DSP56362EVM User’s Manual (this document) 1.3.2 USER SUPPLIED DEMONSTRATION HARDWARE • An AC-3 or PCM bitstream source such as a Laserdisc, DAT, CD source, or VHS.

  • Page 14: Required Software Development Hardware

    CD ROM driver, and a serial port that is capable of at least 19,200 bits-per-second data transfer rate. • Windows 95/98 or NT operating system • An RS-232 cable (DB9 male to DB9 female) DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 15: Installation Procedures

    Always use grounded wrist straps when handling sensitive components. • Never remove components from anti-static packaging until required for installation. • Always transport sensitive components in anti-static packaging. MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...

  • Page 16: Pc And Power Connections

    RS-232 port DSP56362EVM Figure 1-4 DSP56362EVM Cable Connections 1. Connect the DB9P interface cable to the RS-232 port connection on the PC, and P1 on the Evaluation Module board. This provides the connection to allow the PC to control the board function.
  • Page 17 7. Setup has enough information to start copying the program files. Click NEXT to begin copying files. 8. The screen will clear and the Domain menu will appear. Click EXIT. MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 18 Freescale Semiconductor, Inc. OVERVIEW Installation Procedures DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 19: Jumpers As Installed

    Table 2-1. The locations of the headers for jumpers is shown in Figure 2-1.l Table 2-1 Jumpers as Installed Jumper From Jumper From Jumper From JP20 JP21 JP23 JP24 JP25 JP27 JP28 JP12 JP31 MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 20 Freescale Semiconductor, Inc. SETUP AND OPERATION Figure 2-1 Default Jumper Locations Shown for Digital Input DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 21: Analog I/O Description

    5. Left Surround 6. Right Surround 7. Auxiliary channel 1 8. Auxiliary channel 2 Figure2-2 shows the analog input and output connectors. Raux Laux Figure 2-2 Analog I/O Connectors MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 22 Table 2-2 Analog I/O Clocking Mode JP 20 MODE Pins 1-2 CLOCKED BY S/PDIF RECEIVER (DIGITAL INPUT) CLOCKED BY OSCILLATOR (ANALOG INPUT) JP20 Figure 2-3 Input Clocking Mode Header PLD DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 23: A/D Converter Description

    96 KHZ Note: If U26 is populated with part number CS8412, the maximum sampling rate will be 48 KHZ. JP24 Figure 2-4 JP24, A/D Sampling Rate Select Header MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...

  • Page 24: Serial Data Input

    The A/D converter sends audio data to the DSP on the serial data input SDI0. 2.1.1.2 A/D Converter Reset The A/D converter is reset by asserting the RESET signal of the DSP. DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 25: D/A Converters

    Right channel attenuation 0 dB Soft mute De-emphasis DAC operation Zero detect mute Output analog signal phase Normal Attenuation control Individual channel L/R polarity Left low/Right high MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 26 CONTROL BY CONTROL BY DA0 - L/R DA1 - LS/RS DA2 - C/S 10-11 11-12 DA3 - AUX L/R 13-14 14-15 JP31 Figure 2-5 D/A Control Header DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 27: Serial Data Outputs

    Table 2-7 D/A Serial Data Outputs SDOx SDO0 LS/RS SDO1 SDO2 AUX L/R SDO3 2.1.2.3 D/A Converter Reset Asserting the DSP RESET signal, resets the D/A converters. MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...

  • Page 28: Analog I/O Blcok Diagram

    The following figure shows the functional block diagram of the analog I/O circuitry: FS_CLK BIT_CLK DAC0 DAC1 DAC2 DSP56362 SDO0 DAC3 SDI0 SDO1 SDO2 SDO3 256FS_CLK Figure 2-6 Analog I/O Block Diagram 2-10 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 29: Digital I/O

    Configure the JP20 header for digital input. Refer to Figure 2-1 and Figure 2-7. Table 2-8 Digital I/O Clocking Mode JP20 MODE PINS 1-2 CLOCKED BY S/PDIF RECEIVER (DIGITAL INPUT) CLOCKED BY OSCILLATOR (ANALOG INPUT) MOTOROLA DSP56362EVM User’s Manual 2-11 For More Information On This Product, Go to: www.freescale.com...

  • Page 30: S/Pdif Receiver

    Table 2-9 S/PDIF Receiver Select S/PDIF INPUT Switch Position COAXIAL OPTICAL The S/PDIF receiver sends audio data to the DSP on the serial data input SDI1. 2-12 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 31: Digital Audio Transmitter

    48KHZ 3.072MHZ S is the audio data format utilized on the DSP56362EVM. The S/PDIF transmitter receives data from the DSP on the serial data output SDOx line. The SDOx is configured by placing a jumper on the JP27 header as shown below:...

  • Page 32: Digital I/O Block Diagram

    Figure 2-9 Primary Digital I/O Block Diagram J3 OR J4 SDI1 SDOx J5 OR J6 S/PDIF RX S/PDIF TX BIT_CLK FS_CLK 128FS_CLK Figure 2-10 Secondary Digital I/O Block Diagram 2-14 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 33: Dsp Clock

    2 x 20 line character display. These commands control the settings of the executed software. The microcontroller also receives status information from the DSP. MC68HC711 MOSI MISO Figure 2-11 Host Microcontroller Block Diagram MOTOROLA DSP56362EVM User’s Manual 2-15 For More Information On This Product, Go to: www.freescale.com...

  • Page 34: Rs-232/Mc68Hc711 Interface

    Configure the header as shown in the following table, when using the RS-232 transceiver to communicate with the MC68HC711 microcontroller. Table 2-12 RS232 Communication with MC68HC711 PINS JP28 JUMPER JUMPER JP28 Figure 2-12 RS-232 Communication Select 2-16 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 35: Pld Functions

    In this case, the system clock, left/right clock, and bit clock are generated from oscillators depending on the selected sampling rate on JP24. Figure 2-14 shows these sampling rates. MOTOROLA DSP56362EVM User’s Manual 2-17 For More Information On This Product, Go to: www.freescale.com...
  • Page 36 8 ( ) 24.576Mhz ³ BIT_CLK 96Khz Sampling Rate 24.576Mhz 256FS_CLK 24.576Mhz ³ FS_CLK 4 ( ) 24.576Mhz ³ BIT_CLK Figure 2-14 PLD Clock Outputs - A/D 2-18 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...
  • Page 37 Table 2-13 D/A Converter Select DA_SELx = 1 DA_SELx = 0 INITIALIZED DA_SEL0 DA_SEL1 DA_SEL2 DA_SEL1 DA_SEL0 DA_SEL2 DA_SEL1 DA_SEL0 DA_SEL2 ALL DAs DA_SEL2 DA_SEL0 DA_SEL1 MOTOROLA DSP56362EVM User’s Manual 2-19 For More Information On This Product, Go to: www.freescale.com...
  • Page 38 PLD Functions The PLD inverts the output from the RS-232 transceiver to the HC08 microcontroller as shown in the following figure. RESET_MCU RESET_MCU Figure 2-16 HC08 Reset 2-20 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 39: Operating Mode Selection

    HI08 BOOTSTRAP IN 8051 MUX BUS MODE HI08 BOOTSTRAP IN 68302 BUS MODE Refer to the DSP56362 User’s Manual for a detailed description of the operating modes. MOTOROLA DSP56362EVM User’s Manual 2-21 For More Information On This Product, Go to: www.freescale.com...
  • Page 40 Freescale Semiconductor, Inc. SETUP AND OPERATION Operating Mode Selection Figure 2-17 Operating Mode Jumper (JP8) Location 2-22 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 41: Expansion Port

    EXTERNALSIDE DSP SIDE EXTERNALSIDE DSP SIDE +3.3V MOSI MISO SCKT SCKR HREQ HCKT HCKR SDO0 SDO1 SDO2 SDO3 TIO0 SDI1 SDI0 JP12 Figure 2-18 Expansion Connector MOTOROLA DSP56362EVM User’s Manual 2-23 For More Information On This Product, Go to: www.freescale.com...

  • Page 42: Once Port

    The following table specifies the OnCE signals. Refer to Figure 2-1 for location of JP10. Table 2-16 OnCE Port Connector JP10 JP10 SIGNAL SIGNAL NO CONNECT NO CONNECT RESET +3.3V NO CONNECT TRST 2-24 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 43: Rs-232/Once Interface

    MC68HC705C8, configure the header as shown in the following table. Refer to Figure 2-1 and Figure 2-19 for header location. Table 2-17 RS-232 Communications with MC68HC705 PINS JP28 JUMPER JUMPER JP28 Figure 2-19 RS-232 Communication Select MOTOROLA DSP56362EVM User’s Manual 2-25 For More Information On This Product, Go to: www.freescale.com...

  • Page 44: Memory

    See Figure 2-20. Table 2-18 Memory Line Settings HEADER SIGNAL HEADER SIGNAL HEADER SIGNAL JP13 JP14 JP15 2-26 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...
  • Page 45 Freescale Semiconductor, Inc. SETUP AND OPERATION Memory Figure 2-20 Memory Header Locations MOTOROLA DSP56362EVM User’s Manual 2-27 For More Information On This Product, Go to: www.freescale.com...

  • Page 46: Sram

    JP13-JP15 headers. ADDRESS A0..A17 JP14 SRAM EPROM A0..A17 A0..A16 JP15 D0..D7 D0..D23 DATA D0..D23 JP13 Figure 2-21 External Memory Interface Diagram 2-28 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 47: Power Supply

    The following figure shows the functional block diagram of the power supply circuit. +5VA 5V REGULATOR DC-DC CONVERTER - 5V P2 OR P3 7.5 — 9V AC/DC 3.3V REGULATOR 3.3V Figure 2-22 Evaluation Module Power Supply Diagram MOTOROLA DSP56362EVM User’s Manual 2-29 For More Information On This Product, Go to: www.freescale.com...

  • Page 48: Dsp Power

    DATA BUS HOST ADDRESS BUS SHI, ESAI, DAX, TIMER QUIET CORE (LOW) POWER CCQL QUIET CORE (HIGH) POWER CCQH JP1 JP5 JP3 Figure 2-23 DSP Power Jumpers 2-30 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 49: Documentation

    DSP56362/D User Manual DSP56362UM/D Family Manual DSP56300FM/D Other DESCRIPTION LOCATION Devices PCM1800 Technical Datasheet http://www.burr-brown.com/download/DataSheets/PCM1800.pdf PCM1716 Technical Datasheet http://www.burr-brown.com/Products/DataSheets/PCM1716.pdf CS8414 Technical Datasheet http://www.cirrus.com/ftp/pubs/8413-4.pdf CS8402 Technical Datasheet http://www.cirrus.com/ftp/pubs/8401.pdf MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 50 Freescale Semiconductor, Inc. COMPONENT DATASHEETS Documentation DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...
  • Page 51 Freescale Semiconductor, Inc. SCHEMATICS SECTION SCHEMATICS The schematics for the DSP56362EVM are included in the following pages. The bill of material is listed in Section 5. MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 52 33 34 35 36 IMAGING AND ENTERTAINMENT SOLUTIONS 37 38 39 40 DIGITAL AUDIO APPLICATIONS 41 42 43 44 256FS_CLK 45 46 47 48 Size Title 49 50 DSP56362EVM DSP56362 2.2.1 Date: Sheet 1 of 10 Thursday, September 09, 1999...
  • Page 53 21 22 17 18 23 24 19 20 25 26 27 28 29 30 31 32 33 34 35 36 MOTOROLA IMAGING AND ENTERTAINMENT SOLUTIONS DIGITAL AUDIO APPLICATIONS Size Title DSP56362EVM EXTERNAL MEMORY 2.2.1 Date: Thursday, September 09, 1999 Sheet...
  • Page 54 6 R/W \DA_MUTE JP16 HC11_RXD PD0/RXD HC11_TXD PD1/TXD MISO PD2/MISO MOSI PD3/MOSI PD4/SCK PD5/SS MODA GP1U58Y DA_SEL2 \HREQ 0.1uF MOTOROLA IMAGING AND ENTERTAINMENT SOLUTIONS DIGITAL AUDIO APPLICATIONS Size Title DSP56362EVM MICROCONTROLLER AND LCD 2.2.1 Date: Sheet Tuesday, September 21, 1999...
  • Page 55 SAMPLING RATE SEL ECT JP23 FREQ 32KHZ OFF 44.1KHZ 0.01uF OFF ON 48KHZ OFF OFF 96KHZ 11.2896MHZ JP25 MOTOROLA IMAGING AND ENTERTAINMENT SOLUTIONS DIGITAL AUDIO APPLICATIONS Size Title 8.192MHZ DSP56362EVM S/PDIF I/O PLD 2.2.1 Date: Sheet Tuesday, September 21, 1999...
  • Page 56 C1/FC0 BIT_CLK JP27 FS_CLK FSYNC SDO0 100pF SDATA SDO1 CBL/SBC SDO2 C/SBF SDO3 EM0/C9 128FS_CLK EM1/C8 \RESET 0.1uF GP1F32T MOTOROLA IMAGING AND ENTERTAINMENT SOLUTIONS DIGITAL AUDIO APPLICATIONS Size Title DSP56362EVM SECONDARY S/PDIF OUTPUT 2.2.1 Date: Thursday, September 09, 1999 Sheet...
  • Page 57 470pF CINNR +5VA OUT_RIGHT \RESET RSTB CINPR 100K FSYNC CINNL FS_CLK 470pF LRCK CINPL BIT_CLK 256FS_CLK SYSCLK MOTOROLA IMAGING AND ENTERTAINMENT SOLUTIONS DIGITAL AUDIO APPLICATIONS Size Title DSP56362EVM ANALOG INPUT 2.2.1 Date: Sheet 6 of 10 Thursday, September 09, 1999...
  • Page 58 \DA_MUTE C129 10uF MUTE EXTL C130 10uF DA_MODE MODE EXTR C131 U25B +5VA 330pF MC33078 5.6K 3.9K C134 2.7K MOTOROLA 2700pF IMAGING AND ENTERTAINMENT SOLUTIONS DIGITAL AUDIO APPLICATIONS Size Title DSP56362EVM ANALOG OUTPUTS 2.2.1 Date: Thursday, September 09, 1999 Sheet...
  • Page 59 \RESET \DA_MUTE 10uF MUTE 2700pF EXTL 10uF DA_MODE MODE EXTR +5VA U19B 330pF MC33078 OUT_RIGHT 5.6K 3.9K 2.7K 2700pF MOTOROLA IMAGING AND ENTERTAINMENT SOLUTIONS DIGITAL AUDIO APPLICATIONS Size Title DSP56362EVM AUXILIARY ANALOG OUTPUTS 2.2.1 Date: Sheet Thursday, September 09, 1999...
  • Page 60 0.1uF DSP_CLK_3V 0.1uF MC68HC705C8A-QFP TCAP TCMP \TRST \RESET MOSI \RESET_MCU RESET MISO 3.6864MHZ 22pF 22pF RESET_MCU 145407 HC11_TXD HC11_RXD JP28 MOTOROLA IMAGING AND ENTERTAINMENT SOLUTIONS DIGITAL AUDIO APPLICATIONS Size Title DSP56362EVM RS-232/OnCE INTERFACE 2.2.1 Date: Thursday, September 09, 1999 Sheet...
  • Page 61 FM4001 C149 C147 C148 C150 0.33uF 47uF 470uF 0.1uF VOUT MC7805 NMF0505_SIP +VREG PCB Mounting Holes .125 .125 .125 .125 MOTOROLA IMAGING AND ENTERTAINMENT SOLUTIONS DIGITAL AUDIO APPLICATIONS Size Title DSP56362EVM POWER SUPPLY 2.2.1 Date: Sheet Thursday, September 09, 1999...
  • Page 62 Freescale Semiconductor, Inc. Section 4-12 DSP56362EVM USER’S MANUAL MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 63: Evaluation Module Parts

    C72, C73, C75, C77, C88, C89, C91, C93, C104, C105,C107, C109, C120, C121, C123,C125 C59, C60 470pF, CHIPCAP 0805, 50V/5% TOL PANASONIC ECU-V1H471JCX C66, C67 22pF, CHIPCAP 1206, 50V/5% TOL PANASONIC ECU-V1H220JCN MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 64 JP35 Not Populated JP22 SINGLE ROW 8 PIN HEADER BERG 86001-408 JP24 DOUBLE ROW 4 PIN HEADER BERG 67997-404 JP28 DOUBLE ROW 6 PIN HEADER BERG 67997-406 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...
  • Page 65 71.5, CHIP RES 0805, 1/10WATT 1% PANASONIC ERJ-6ENF71R5V R26, R93, R94 1K, CHIP RES 0805, 1/10WATT 5% PANASONIC ERJ-6GEYJ102V R39, R40 100K, CHIP RES 0805, 1/10WATT 5% PANASONIC ERJ-6GEYJ104V MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 66 DIGITAL AUDIO TRANSMITTER CRYSTAL CS8404A-CS 20-BIT A/D CONVERTER, BURR-BROWN PCM1800 24-PIN/SSOP BUFFER WITH 3 STATE OUTPUT, FAIRCHILD NC7SZ125M5 SOT23-5 8-BIT MICROCONTROLLER MOTOROLA MC68HC705C8ACFB RS-232 TRANSCEIVER MOTOROLA MC145407DW DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...
  • Page 67 Mouser PLCC socket, 52 pin Mouser 151-1553 and the part information for the socket is given in the following columns. The programmed part in installed in the socket. MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...

  • Page 68: Pld Equations

    ’com,keep,retain’; scale7..scale0 node istype ’reg_d’; DIV4 node; DIV64 node; DIV256 node; FM_CLK256B node istype ’keep,retain’; "sets DIVIDE = [div3..div0]; FS_GEN = [scale7..scale0]; "constants h,l,x,z,c = 1,0,.x.,.z.,.c.; DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...
  • Page 69 FS_CLK128 = ( FS_CLK128 $ ((JUMP & FM_CLK256 & !FS_CLK256) # (!JUMP &CS_MCK & !FS_CLK256))); " Divide by 2 for the Clock input Mux CLK12M := !CLK12M; CLK12M.CLK = CLK24M; MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 70 !DA2_PLD = ((!DA_SEL2 & DA_SEL1 & !DA_SEL0) # (DA_SEL2 & !DA_SEL1 &!DA_SEL0)); !DA1_PLD = ((!DA_SEL2 & !DA_SEL1 & DA_SEL0) # (DA_SEL2 & !DA_SEL1 &!DA_SEL0)); !DA0_PLD = ((!DA_SEL2 & !DA_SEL1 & !DA_SEL0) # (DA_SEL2 & !DA_SEL1 &!DA_SEL0)); DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 71: Pass-Through Operation

    The receive last slot interrupt service routine esai_rxls_isr resets the buffer pointer to RX_BUFF_BASE in case the pointer is corrupted after the last slot of the frame. For example, after the right data is received. MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 72 #RX_BUFF_BASE,r0; Reset rx buffer pointer just in ; case it was corrupted move r0,x:RX_PTR ; Update rx buffer pointer move x:-(r6),r0 ; Restore r0rti Figure 6-2 Receive Interrupt Service Routines DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...
  • Page 73 ; Update tx buffer pointer move x:-(r6),m0 ; Restore m0 move x:-(r6),r0 ; Restore r0rti esai_txls_isr ; ESAI TRANSMIT LAST SLOT ISR MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 74 #TX_BUFF_BASE,r0 ; Reset pointer move r0,x:TX_PTR ; Reset tx buffer pointer just in ; case it was corrupted move x:-(r6),r0rti Figure 6-4 Transmit Interrupt Service Routines DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 75: Main Loop

    #RightRecieve,X:flags,* bclr #RightRecieve,X:flags move x:RX_BUFF_BASE,a ;receive left move x:RX_BUFF_BASE+1,b ;receive right move a,x:TX_BUFF_BASE ;transmit left move b,x:TX_BUFF_BASE+1 ;transmit right jmp LOOP Figure 6-5 Passthrough Main Loop MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...

  • Page 76: Digital Pass-Through

    Dgtl Anlg Figure 6-6 LCD Pass-through Screen 5. Press switch S2 and select digital input. Pass-through code downloads for approximately two seconds before audio output is heard. DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 77: Digital Pass-Through Jumper Settings

    JP20 is in and S6 must be set for the appropriate connector (optical or coax). JP20 ELC OPT JP24 JP 24 Jumper Settings Sample Rate Freq. 32 KHZ 44.1 KHZ 48 KHZ 96 KHZ Figure 6-7 Jumper Settings for Digital Pass-Through MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...

  • Page 78: Analog Pass-Through

    Dgtl Anlg Figure 6-8 LCD pass-through Screen 5. Press switch S3 to select analog input. Pass-through code downloads for approximately two seconds before audio output is heard. DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 79: Analog Pass-Through Jumper Settings

    44.1 KHZ If U26 is populated with 48 KHZ P/N CS8412, the sampling rate will be 48 KHZ. 96 KHZ Figure 6-9 Jumper Settings for Analog Pass-Through MOTOROLA DSP56362EVM User’s Manual For More Information On This Product, Go to: www.freescale.com...
  • Page 80 Freescale Semiconductor, Inc. RUNNING THE PASS-THROUGH CODE Analog Pass-Through Jumper Settings 6-10 DSP56362EVM User’s Manual MOTOROLA For More Information On This Product, Go to: www.freescale.com...

  • Page 81: A/D Sampling Rate Select

    Freescale Semiconductor, Inc. INDEX where to find, 3-1 Numerics 256FS_CLK, 2-5, 2-12 description, 2-13 demonstration configuration, 1-4 digital I/O block diagrams, 2-14 A/D converter clocking, 2-11 description, 2-5 connectors, 2-11 reset, 2-6 description, 2-11 A/D sampling rate select, 2-5 primary block diagram, 2-14 analog I/O secondary block diagram, 2-14 block diagram, 2-10...
  • Page 82 Freescale Semiconductor, Inc. INDEX software development hardware, 1-4 MC68HC711, 2-8 software mode settings MC68HC711E20, 2-15 D/A converter, 2-8 block diagram, 2-15 SRAM, 2-28 memory, 2-26 suggested reading, ix OnCE port, 2-24 direct connection, 2-24 RS-232 interface, 2-25 overview, 1-1 pass through code digital pass through, 6-6 digital pass through jumpers, 6-7 interrupt service routines, 6-1...
  • Page 83 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com...
  • Page 84 Freescale Semiconductor, Inc. How to reach us: USA/Europe/Locations Not Listed: Asia/Pacific: Japan: Motorola Literature Distribution Motorola Semiconductors H.K. Ltd. Nippon Motorola Ltd. 8B Tai Ping Industrial Park SPD, Strategic Planning Office P.O. Box 5405 Denver, Colorado 80217 51 Ting Kok Road 4-32-1, Nishi-Gotanda (303) 675-2140 Tai Po, N.T., Hong Kong...

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