Table of Contents
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Summary of Contents for Analog Devices Blackfin
- Page 1 Blackfin Audio EZ-Extender ® ® Manual Revision 2.1, May 2007 Part Number 82-000195-01 Analog Devices, Inc. One Technology Way Norwood, Mass. 02062-9106 This datasheet has been downloaded from http://www.digchip.com at this page...
- Page 2 Analog Devices, Inc. Printed in the USA. Limited Warranty The Blackfin Audio EZ-Extender is warranted against defects in materials and workmanship for a period of one year from the date of purchase from Analog Devices or from an authorized dealer.
- Page 3 Regulatory Compliance The Blackfin Audio EZ-Extender has been certified to comply with the essential requirements of the European EMC directive 89/336/EEC (inclusive 93/68/EEC) and, therefore, carries the “CE” mark. The Blackfin Audio EZ-Extender had been appended to Analog Devices Development Tools Technical Construction File referenced “DSPTOOLS1”...
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Page 5: Table Of Contents
Notation Conventions ..............xiii AUDIO EZ-EXTENDER INTERFACES Audio EZ-Extender Setup ............. 1-1 Analog Audio Interface ..............1-2 Digital Audio Interface ..............1-4 AUDIO EZ-EXTENDER HARDWARE REFERENCE System Architecture ..............2-2 Configuration Jumpers and Switches ..........2-4 Blackfin Audio EZ-Extender Manual... - Page 6 ADAV801–Digital Audio .............. B-5 AD1938–Analog Audio ..............B-6 Analog In 1 .................. B-7 Analog In 2 .................. B-8 Analog In 3 .................. B-9 Analog In 4 ................B-10 Analog Out 1 ................B-11 Analog Out 2 ................B-12 INDEX Blackfin Audio EZ-Extender Manual...
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Page 7: Preface
To learn more about Analog Devices development software, go to http://www.analog.com/processors/tools/ Product Overview The Blackfin Audio EZ-Extender is a separately sold daughter board that plugs onto the expansion interface of the ADSP-BF533, ADSP-BF537, or ADSP-BF561 EZ-KIT Lite evaluation system. The daughter board aids the design and prototyping phases of ADSP-BF533, ADSP-BF537, and ADSP-BF561 processor targeted applications. -
Page 8: Purpose Of This Manual
Purpose of This Manual The Blackfin Audio EZ-Extender Manual describes the operation and con- figuration of the components on the extension board. A schematic and a bill of materials are provided as a reference for future Blackfin processor board designs. viii... -
Page 9: Intended Audience
Preface Intended Audience This manual is a user’s guide and reference to the Blackfin Audio EZ-Extender. Programmers who are familiar with the Analog Devices Blackfin processor architecture, operation, and development tools are the primary audience for this manual. Programmers who are unfamiliar with VisualDSP++ or EZ-KIT Lite eval-... -
Page 10: What's New In This Manual
What’s New in This Manual What’s New in This Manual This Blackfin Audio EZ-Extender Manual has been updated for the latest revision of VisualDSP++. Technical or Customer Support You can reach Analog Devices, Inc. Customer Support in the following ways: •... -
Page 11: Supported Products
Preface Supported Products The Blackfin Audio EZ-Extender is designed as an extension board to the ADSP-BF533, ADSP-BF537, and ADSP-BF561 EZ-KIT Lite evaluation systems. Product Information You can obtain product information from the Analog Devices Web site, from the product CD-ROM, or from the printed publications (manuals). - Page 12 • ADSP-BF537 Blackfin Processor Hardware Reference • ASP-BF561 Blackfin Processor Hardware Reference Blackfin Processor Instruction Set Reference Description of all allowed processor assembly instructions. Table 2. Related VisualDSP++ Publications Title Description • ADSP-BF533 EZ-KIT Lite Evaluation Sys-...
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Page 13: Notation Conventions
Commands, directives, keywords, and feature names are in text with SECTION font. letter gothic Non-keyword placeholders appear in text with italic style format. filename Blackfin Audio EZ-Extender Manual xiii... - Page 14 In the online version of this book, the word Warning appears instead of this symbol. Additional conventions, which apply only to specific chapters, may appear throughout this document. Blackfin Audio EZ-Extender Manual...
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Page 15: Audio Ez-Extender Interfaces
For detailed information, refer “Audio EZ-Extender Schematic” on page B-1. 3. Refer to the readme text files in the subdirectories of the …\Blackfin\Examples\Audio EZ-EXTENDER VisualDSP++ installation directory for information on how to con- Blackfin Audio EZ-Extender Manual... -
Page 16: Analog Audio Interface
16 input channels and eight of the 16 output channels. The number of channels can be set up in the control registers and is dependant on the sample rate. As the sample rate increases, the number of possible channels decreases. Blackfin Audio EZ-Extender Manual... - Page 17 . The divided clocks are necessary when a SYSCLK1 sample rate less than 32 kHz is required. Otherwise, a signal clock fre- quency at the pin of the AD1938 can generate the 48 kHz, 96 kHz, MCLK or 192 kHz sample rate. Blackfin Audio EZ-Extender Manual...
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Page 18: Digital Audio Interface
An external 27 MHz oscillator is used as a clock source for the PLLs. The external clocks, which also go to the AD1938 codecs, are generated from the PLLs. Blackfin Audio EZ-Extender Manual... - Page 19 Example programs demonstrating the capabilities of the digital audio interface are included in the in the subdirectories of the Visu- …\Blackfin\Examples\Audio EZ-EXTENDER alDSP++ installation directory. For more information about the ADAV801 codecs, go to and search for http://www.analog.com ADAV801 Blackfin Audio EZ-Extender Manual...
- Page 20 Digital Audio Interface Blackfin Audio EZ-Extender Manual...
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Page 21: Audio Ez-Extender Hardware Reference
2 AUDIO EZ-EXTENDER HARDWARE REFERENCE This chapter describes the hardware design of the Blackfin Audio EZ-Extender. The following topics are covered. • “System Architecture” on page 2-2 Describes the configuration of the daughter board and explains how the board components interface with the processor and EZ-KIT Lite. -
Page 22: System Architecture
A jumper setting allows the routing of the processor’s SPORTs to be swapped with the SPORTs of the analog and digital interfaces. If the SPORT on the mother board is already in use, this feature allows either of Blackfin Audio EZ-Extender Manual... - Page 23 Audio EZ-Extender Hardware Reference Figure 2-1. System Architecture Blackfin Audio EZ-Extender Manual...
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Page 24: Configuration Jumpers And Switches
EZ-KIT Lite to another set of expansion interface connectors. This allows other EZ-Extender boards to be attached to the Audio EZ-Extender. Configuration Jumpers and Switches Before using the Blackfin Audio EZ-Extender, follow the steps in “Audio EZ-Extender Setup” on page 1-1. -
Page 25: Adsp-Bf537 Ez-Kit Lite Select Jumper (Jp1.1/2)
Figure 2-2. Jumper Locations ADSP-BF537 EZ-KIT Lite Select Jumper (JP1.1/2) When interfacing the Audio EZ-Extender with the ADSP-BF537 EZ-KIT Lite, insert the jumper to route the ADSP-BF537 EZ-KIT Lite JP1.1/2 SPI select signals to the corresponding codec. Blackfin Audio EZ-Extender Manual... -
Page 26: Ez-Kit Lite Sport0 Enable Jumper (Jp1.3/4)
JP2.3/4 MCLK ADAV801 codec’s pin divided by 4 and 2, respectively. These SYSCLK1 positions can be used to supply the AD1938 codec with lower master clock frequencies to reach the lower sample rates. For more information Blackfin Audio EZ-Extender Manual... -
Page 27: Spdif Loopback Jumper (Jp4)
SW1.2 AIN1_R SW2.1 AIN2_L SW2.2 AIN2_R SW3.1 AIN3_L SW3.2 AIN3_R SW4.1 AIN4_L SW4.2 AIN4_R When the switch is , the gain is set to . When the switch is 1/(1.5) the gain is set to 1/(2.12) Blackfin Audio EZ-Extender Manual... - Page 28 Configuration Jumpers and Switches Blackfin Audio EZ-Extender Manual...
- Page 29 A AUDIO EZ-EXTENDER BILL OF MATERIALS The bill of materials corresponds to “Audio EZ-Extender Schematic” on page B-1. Please check the latest schematics on the Analog Devices web- site: http://www.analog.com/Processors/Processors/DevelopmentTools/tec hnicalLibrary/manuals/DevToolsIndex.html#Evalua- tion%20Kit%20Manuals Ref. Qty. Description Reference Designator Manufacturer Part Number...
- Page 30 C22,C34-35,C52, 080560106KAT2A 0805 C61,C85,C87,C158, C161,C167,C172, C174-175,C182, C185 2.2UF 10V 10% 0805ZD225KAT2A 0805 107.0 1/10W 1% R110 DIGI-KEY 311-107CRTR-ND 0805 0.1UF 16V 10% C31,C55,C58,C76, 0603YC104KAT2A 0603 C86,C125-130, C135,C138, C140-143,C146-147, C149-150,C154, C157,C162-165, C169-171,C176-177, C179,C183-184, C189-191,C194-195, C197,C199-200, C203,C205-206, C209-210 Blackfin Audio EZ-Extender Manual...
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Page 31: Audio Ez-Extender Bill Of Materials
R25-26,R39-42, DIGI-KEY 311-237HRTR-ND 0603 R53-54, R56-57,R70-71, R73-74,R83-84 3.32K 1/10W 1% R171-178,R186-193 DIGI-KEY 311-3.32KHRTR-ND 0603 49.9K 1/10W 1% R111-118,R144-151 DIGI-KEY 311-49.9KHRTR-ND 0603 604.0 1/10W 1% R1-8,R101-108 DIGI-KEY 311-604HRTR-ND 0603 10.0K 1/10W 1% R119-120,R122-123, DIGI-KEY 311-10.0KHRTR-ND 0603 R153-154 Blackfin Audio EZ-Extender Manual... - Page 32 311-1185-2-ND C92-95,C104-107 243.0 1/10W 1% R121 VISHAY CRCW0603243RFKEA 0603 732.0 1/10W 1% R47-48,R152 VISHAY CRCW0603732RFKEA 0603 562.0 1/10W 1% R125,R136 VISHAY CRCW0603562RFKEA 0603 390PF 25V 5% 0603 C136,C192 06033A391FAT2A 1800PF 50V 5% C40,C49 PANASONIC ECJ2VB1H182K 0805 Blackfin Audio EZ-Extender Manual...
- Page 33 4.99K 1/16W 1% R9-24,R85-100, VISHAY CRCW06034K99FKEA 0603 R170,R179-185, R194-201 24.9K 1/10W 1% R126-127,R129, DIGI-KEY 311-24.9KHTR-ND 0603 R132,R134-135, R138,R140 47UF 6.3V 10% B PANASONIC EEE0JA470WR 22.6K 1/16W 1% R124,R156, VISHAY CRCW060322K6FKEA 0603 R159-160, R163-164,R167-168 GREEN LED001 LED1 PANASONIC LN1361CTR Blackfin Audio EZ-Extender Manual...
- Page 34 Blackfin Audio EZ-Extender Manual...
- Page 35 Blackfin Audio EZ-Extender Schematic SPDIF_IN SPDIF_OUT ANALOG_OUT ANALOG 20 Cotton Road Nashua, NH 03063 DEVICES PH: 1-800-ANALOGD ANALOG_OUT RIGHT = RED BLACKFIN AUDIO EZ-EXTENDER Title LEFT = WHITE TITLE Size Board No. A0195-2005 1.2C Date 5-23-2007_11:47 Sheet...
- Page 36 CON019 3.3V ANALOG 20 Cotton Road Nashua, NH 03063 DEVICES C207 C206 C205 PH: 1-800-ANALOGD 10UF 0.1UF 10UF 0.1UF 0805 0603 0805 0603 BLACKFIN AUDIO EZ-EXTENDER Title EXPANSION INTERFACE (1 + 2) Size Board No. A0195-2005 1.2C Date 5-23-2007_11:47 Sheet...
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Page 37: Expansion Interface (1 And 2
0603 IDC1X1 IDC1X1 ANALOG 20 Cotton Road Nashua, NH 03063 DEVICES C127 C134 C130 AGND PH: 1-800-ANALOGD 10UF 0.1UF 10UF 0.1UF 0805 0603 0805 0603 BLACKFIN AUDIO EZ-EXTENDER Title EXPANSION INTERFACE (3) Size Board No. A0195-2005 1.2C Date 5-23-2007_11:47 Sheet... -
Page 38: Analog
Nashua, NH 03063 DEVICES PH: 1-800-ANALOGD C126 C154 C176 C142 C189 C165 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF ~A/B 0603 0603 0603 0603 0603 0603 BLACKFIN AUDIO EZ-EXTENDER Title SN74LVC257APWR TSSOP16 CONFIG PI3B3257 Size Board No. A0195-2005 1.2C Date 5-23-2007_11:47 Sheet... -
Page 39: Analog
10UF 0.1UF 10UF 0.1UF 10UF 0603 0805 0603 0603 0805 0805 0603 0805 0603 0805 0603 0805 0603 0805 0603 0805 0603 0805 BLACKFIN AUDIO EZ-EXTENDER Title ADAV801 - DIGITAL AUDIO Size Board No. A0195-2005 1.2C AGND2 Date 5-23-2007_11:47 Sheet... - Page 40 0.1UF 0.1UF 0.1UF 0.1UF 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 BLACKFIN AUDIO EZ-EXTENDER Title 74LVC74 AD1938 - ANALOG AUDIO AD1938 A AD1938 B Size Board No. A0195-2005 1.2C AGND AGND Date 5-23-2007_11:47 Sheet...
- Page 41 TSSOP14 ANALOG INPUT SIGNAL SPECS CAN BE FOUND IN THE MANUAL A5V_AMP ANALOG 20 Cotton Road Nashua, NH 03063 DEVICES PH: 1-800-ANALOGD C197 0.1UF BLACKFIN AUDIO EZ-EXTENDER Title 0603 ANALOG IN 1 Size Board No. A0195-2005 1.2C AGND Date 5-23-2007_11:47...
- Page 42 TSSOP14 ANALOG INPUT SIGNAL SPECS CAN BE FOUND IN THE MANUAL A5V_AMP ANALOG 20 Cotton Road Nashua, NH 03063 DEVICES PH: 1-800-ANALOGD C177 0.1UF BLACKFIN AUDIO EZ-EXTENDER Title 0603 ANALOG IN 2 Size Board No. A0195-2005 1.2C AGND Date 5-23-2007_11:47...
- Page 43 TSSOP14 ANALOG INPUT SIGNAL SPECS CAN BE FOUND IN THE MANUAL A5V_AMP ANALOG 20 Cotton Road Nashua, NH 03063 DEVICES PH: 1-800-ANALOGD C157 0.1UF BLACKFIN AUDIO EZ-EXTENDER Title 0603 ANALOG IN 3 Size Board No. A0195-2005 1.2C AGND Date 5-23-2007_11:47...
- Page 44 TSSOP14 ANALOG INPUT SIGNAL SPECS CAN BE FOUND IN THE MANUAL A5V_AMP ANALOG 20 Cotton Road Nashua, NH 03063 DEVICES PH: 1-800-ANALOGD C141 0.1UF BLACKFIN AUDIO EZ-EXTENDER Title 0603 ANALOG IN 4 Size Board No. A0195-2005 1.2C AGND Date 5-23-2007_11:47...
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Page 45: Analog Out 1
ANALOG OUTPUT SIGNAL SPECS CAN BE FOUND IN THE MANUAL AGND AGND A5V_AMP A5V_AMP ANALOG 20 Cotton Road Nashua, NH 03063 DEVICES PH: 1-800-ANALOGD C209 C210 0.1UF 0.1UF BLACKFIN AUDIO EZ-EXTENDER Title 0603 0603 ANALOG OUT 1 Size Board No. A0195-2005 1.2C AGND AGND Date 5-23-2007_11:47 Sheet... -
Page 46: Analog Out 2
ANALOG OUTPUT SIGNAL SPECS CAN BE FOUND IN THE MANUAL AGND AGND A5V_AMP A5V_AMP ANALOG 20 Cotton Road Nashua, NH 03063 DEVICES PH: 1-800-ANALOGD C129 C128 0.1UF 0.1UF BLACKFIN AUDIO EZ-EXTENDER Title 0603 0603 ANALOG OUT 2 Size Board No. A0195-2005 1.2C AGND AGND Date 5-23-2007_11:47 Sheet... -
Page 47: Index
1-3, oscillators, EZ-KIT Lites SPORT0 enable jumper (JP1.3/4), SPORT1 enable jumper (JP1.5/6), bill of materials, board layout, schematic, frame sync signals, 1-3, clock I2S mode, 1-4, frequencies, 1-3, input/output digital streams, signals, 1-3, Blackfin Audio EZ-Extender Manual... - Page 48 SW1-4 (analog input gain) switches, multibit sigma-delta architecture, SYSCLK1 pin, 1-3, SYSCLK3 pin, 1-3, 1-5, system architecture, notation conventions, -xiii time-division multiplexed (TDM) mode, 1-2, phase-locked loop (PLL), 1-3, primary serial port, TX/RX pins, product overview, -vii Blackfin Audio EZ-Extender Manual...