Sample rate controlled by 12.288 MHz Oscillator or by DSP timer ... Clock sample rates .... spdu082c.pdf â Audio Daughter Card Customer Support Guide ... Configuration pour l'utilisation de la carte TMDX326040A avec la carte mère DSP.
C6416 Test and Evaluation Board (TEB) kit contains: • Audio Daughter Card - TMDX326040A • Cover Letter • EMC compliancy Card Hardware Features • Board Size: 3.5” x 3” Inches • PCM3003 – Burr Brown® 16-/20-Bit SingleEnded Analog Input/Output Stereo Audio Codec (TI Lit. # SPAS079) • Compatible with TI C31 and C6711 DSKs (attaches via header connector) • Line-in/out stereo mini audio jacks • 2 electret microphones • Sample rate controlled by 12.288 MHz Oscillator or by DSP timer output pin. • Separate Analog/Digital power regulators and ground planes for high-resolution audio. • 20/16-bit codec selection
• • • • •
Clock sample rates Jack/Microphone selection Line/Microphone input gain control selection Oscillator/DSP Timer selection Sampling rate Jumpers
Software Features • Program examples and Users Guide are provided via download from TI FTP site: ftp://ftp.ti.com/pub/cs/c6x/DSK/AudioDC Price: US $50 Order Entry now available Other Required Tools Not Included • TMS320C31 (TMDS3200031) or TMS320C6711 (TMDS320006711) DSK
*European Customers who use the C6711 DSK must order version with European power cord (TMS320006711E)
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Table of Contents AUDIO DAUGHTER CARD TMDX326040A ......................................... 1 USERS GUIDE (REVISION 1.0) ............ 1 C6416 TEST AND EVALUATION BOARD (TEB) KIT CONTAINS: .................................................. 1 HARDWARE FEATURES .................................. 1 SOFTWARE FEATURES ................................... 1 ORDER ENTRY NOW AVAILABLE ...................... 1 OTHER REQUIRED TOOLS NOT INCLUDED .......... 1
Setup/Test Connect the Audio Daughter Card to your DSK 1. Disconnect the DSK board power 2. Connect the ADC header to the DSK connector Top View C31 DSK
C6711 DSK
ADC
Parallel Port
ADC
Connector Parallel Port
Connector
Power Connector Power Connector
Figure 1. C31 DSK setup
Figure 2. C6711 DSK setup
3. Verify Jumper Settings (below) 4. Connect the Parallel port cable and Power supply as instructed by DSK guide 5. Run C31 or C6711 DSK test program (for details see “Loop back test programs” section) a. Connect an audio input source and powered speakers b1. For C6711 DSK run “..\6711 DSK\codec_poll1.out b2. For C31 DSK run “..\C31 DSK\Loop3_16.dsk c. You should hear the audio input through the speakers Default Jumper Settings Out
JP7 – no connect, Digital Ground JP8 – no connect, Digital Vdd (3.3V) JP9 – no connect, Analog Ground JP10 – no connect, Analog Vdd (3.3V) JP11 – pin 5-6 JP12 – pin 3-4 U8 – C6711 DSK Connector (bottom) *Note to find pin 1 on the jumpers, you can look on bottom of board. The square through hole on the jumper is pin 1.
FIGURE 3 JUMPER SETTINGS
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Jumper Descriptions (See Schematics for signal details) JP1 – Add Right Microphone Input to Signal (default - connection on pin 1-2) JP2 – Add Left Microphone Input to Signal (default - connection on pin 1-2) JP3 – connector to C31 DSK (on bottom of board) JP4– PCM3003 Pin configuration (default - no connection) Pin 1-2 unconnected 16-bit data format, connected 32-bit data format (20 bit data) Pin 3-4 connected – de-emphasize 1 (see data sheet) Pin 5-6 connected – de-emphasize 2 JP5 – Master Clock (MCLK) source Pin 1-2 connected – MCLK provided by DSK Pin 3-4 connected – MCLK generated by 12.288 MHz ADC Clock (default) * Connect only one set of jumpers (Pins 1-2 or Pins 3-4) at a time JP6 – Frame Sync timing (default - connection on pin 3-4) Pin 3-4: Standard left/right frame sync. Signal that is 16/32 data bit clocks high and 16/32 bits low (default – pin 3-4). Pins 1-2, 5-6: Although the C31 DSK can use the 16/32 bit Frame Sync. Signal (example provided), the less complicated approach is to provide a 1.5 clk high frame sync. You can do this by connecting pins 1-2 and 5-6. See C31 examples for details. JP7 – no connect, Digital Ground JP8 – no connect, Digital Vdd (3.3V) JP9 – no connect, Analog Ground JP10 – no connect, Analog Vdd (3.3V) JP11/12- Bit Rate/Data Rate Jumpers (default - JP11: pin 5-6, JP12: pin 3-4) fclk = 12.288 MHz or JP12 Sample Rate fclk = DSP TCLK Pins 1-2 Pins 3-4 JP11 Pins 1-2 32BIT, 48ksps = fclk/256 Not valid Bit Pins 3-4 16BIT, 48ksps = fclk/256 32BIT, 48ksps = fclk/512 Rate Pins 5-6 Not valid 16BIT, 48ksps = fclk/512 See Burr-Brown PCM3003 Data Sheet (sbas079.pdf) p. 15 U8 – C6711 DSK Connector (bottom)
Trouble Shooting If the test above does not work try the following: 1. Make sure the Audio daughter card is firmly connected to the DSK. On the C31 DSK make sure that all the pins are in the Audio daughter card female connector. 2. Make sure Power is applied to the DSK. 3. Make sure the Parallel port is connected to the DSK and PC 4. Verify that the Audio Daughter Card Jumpers are in their default setting (see above) 5. Verify that the DSK is working by using a DSK test program (see DSK documentation)
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Documentation/Examples Readme.txt – text version of this document BML.XLS – Bill Material List (excel) ..\C6711\* - C6711 DSK example code ..\C31\* - C31 DSK example code aib_sch.ps – Schematics (Post Script) aib.ps – top and bottom level gerbers (Post Script) spdu082c.pdf – Audio Daughter Card Customer Support Guide spra711.pdf - TMS320 Cross-Platform Daughter card Specification spra595.pdf – Application Note: TMS320C6000 McBSP: I 2 S Interface sbas079.pdf – Burr Brown PCM3002/3 Data Sheet
Configuration pour l’utilisation de la carte TMDX326040A avec la carte mère DSP Starter Kit TMS320C6711 : Enlever les jumpers JP1 et JP2 Mettre un jumper en JP4 en position 5-6 Modifier l’emplacement des jumpers JP11 et JP12 pour fonctionner à fe=48 kHz
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