Analog Devices EVAL-ADV7625-SMZ Manuel utilisateur

EVAL-ADV7625-SMZ User Guide

UG-603

One Technology Way •P. O. Box 9106 •Norwood, MA 02062-9106, U.S.A. •Tel: 781.329.4700 •Fax: 781.461.3113 •www.analog.com

Advantiv EVAL-ADV7625-SMZ Video Evaluation Board

PLEASE SEE THE LAST PAGE FOR AN IMPORTANT

WARNING AND LEGAL TERMS AND CONDITIONS.Rev. 0 | Page 1 of 12

FEATURES

5 HDMI inputs, 2 HDMI outputs

PC communication via RS-232

ADSP-21487or ADSP-21489 for audio processing

EVALUATION BOARD KIT CONTENTS

EVAL-ADV7625-SMZ Advantiv video evaluation board

ADDITIONAL EQUIPMENT/SOFTWARE NEEDED

Computer with RS-232 I/O for

Sending commands to the repeater software and viewing

software output of the board

Controlling the board via Advantiv video evaluation

software (AVES3 or newer) application

Updating the firmware of the board (if desired or necessary)

GENERAL DESCRIPTION

The E VA L-ADV7625-SMZ Advantiv® video evaluation board

(AVEB) is a low cost solution for evaluating the performance of

the ADV7625 HDMI® transceiver.

The evaluation board uses a Blackfin® ADSP-BF524 processor for

system control and includes software (firmware) that provides a

serial command interface to control the functionality of the board.

This evaluation board is available in one option:

•With High Bandwidth Digital Content Protection (HDCP)

support (E VA L -ADV7625-SMZ), available only to

licensees of HDCP.

PHOTOGRAPH OF EVALUATION BOARD

11759-001

Figure 1. EVAL-ADV7625-SMZ Advantiv Video Evaluation Board

UG-603 EVAL-ADV7625-SMZ User Guide

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TABLE OF CONTENTS

Features .............................................................................................. 1

Evaluation Board Kit Contents....................................................... 1

Additional Equipment/Software Needed ...................................... 1

General Description ......................................................................... 1

Photograph of Evaluation Board .................................................... 1

Revision History ............................................................................... 2

Terminology ...................................................................................... 3

Evaluation Board Hardware.............................................................4

Configuring the Evaluation Board..............................................6

Upgrading the Software Driver .......................................................7

Using U-Boot .................................................................................7

Evaluation Board Artwork ...............................................................8

Related Links..................................................................................9

REVISION HISTORY

2/14—Revision 0: Initial Version

EVAL-ADV7625-SMZ User Guide UG-603

Rev. 0 | Page 3 of 12

TERMINOLOGY

Source

A source outputs digital audio/video over a DVI/HDMI

interface. This can be a DVD/Blu-ray player, set-top box, game

console, or any other device with a DVI/HDMI output.

Sink

A sink accepts video through a DVI/HDMI interface. This is

nearly always a display with DVI/HDMI input in the context of

this user guide.

Software driver

Within this user guide, this term refers to the software that runs

on the ADSP-BF524 and implements the link between a source

and a sink.

UG-603 EVAL-ADV7625-SMZ User Guide

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EVALUATION BOARD HARDWARE

A block diagram of the EVA L-ADV7625-SMZ is shown in Figure 2, and the most frequently used connectors are shown in Figure 3. For

more information about evaluation board hardware components, see Table 1.

DIG AUDIO I/F

(EZ-EXTENDER)

ADV7625

HDMI INPUT 1

HDMI INPUT 2

HDMI INPUT 3

HDMI INPUT 4

HDMI INPUT 5

ADSP-BF524

BLACKFIN

CPU

RECEIVER

FLASH

MEMORY

SDRAM

MEMORY

PUSH-

BUTTONS

JTAG

RS-232

ADSP-21487

SHARC

AUDIO

PROCESSOR

FLASH

MEMORY

SDRAM

MEMORY

DSP

HEADER

JTAG

RS-232

HDMI OUTPUT 1

HDMI OUTPUT 2

I2CDIGITAL

AUDIO DIGITAL

AUDIO

DIGITAL

AUDIO DIGITAL

AUDIO

11759-004

Figure 2. Block Diagram of the EVAL-ADV7625-SMZ

EVAL-ADV7625-SMZ User Guide UG-603

Rev. 0 | Page 5 of 12

TxA

TxB

RxE

RxD

RxC RxB RxA

ADSP-BF524

RS-232

ADSP-BF524

JTAG

11759-003

Figure 3. Photograph of Board with Most Frequently Used Connectors Labeled

Table 1. Evaluation Board Hardware Components

Reference

Designator Function Description

J12 Power connector J12 is where the 5 V, 3.6 A power supply is connected.

SW1 ADSP-BF524 reset This switch resets the ADSP-BF524 processor.

P1 ADSP-BF524

RS-232 port

RS-232 interface between the ADSP-BF524 and the computer (for user control and debug output).

J1 ADSP-BF524 JTAG The ICE-100B or the HPUSB-ICE is connected here to program the ADSP-BF524 flash or to execute

source code debugging.

SW6 SHARC® reset This switch resets the SHARC processor.

J11

SHARC JTAG

The ICE-100B or the HPUSB-ICE is connected here to program the SHARC flash or to execute source

code debugging.

J2, J3, J4, J5, J6 HDMI inputs J2 is RxA, J3 is RxB, J4 is RxC, J5 is RxD, and J6 is RxE.

J7, J8 HDMI outputs J7 is TxA, and J8 is TxB.

J10 Digital audio

interface

A modified SHARC Audio EZ-Extender® board can be connected to this if analog audio output is

desired.

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CONFIGURING THE EVALUATION BOARD

The evaluation board can be connected as shown in Figure 2.

You can use either the software driver or the scripts to configure

the board such that RxA/RxB/RxC/RxD/RxE are connected to

TxA/TxB.

Whether the software driver starts automatically depends on if a

jumper is installed across Pin 1 and Pin 2 of J15, as follows:

•Without a jumper installed across Pin 1 and Pin 2 of J15,

the application automatically starts the software driver

after power-up, allowing an HDMI sink to receive content

from an HDMI/HDCP source soon after it is connected.

•With a jumper installed across Pin 1 and Pin 2 of J15, the

application pauses at the command prompt after power-up

and does not start the software driver, allowing you to

configure the board. Configuring the board is typically

accomplished with the AVES3 application but can also be

accomplished using I2C write commands.

The RS-232 command line interface operates at 115,200 baud,

eight data bits, no parity, one stop bit, and no flow control.

Typing help via RS-232 lists the commands that can be used to

control the board and indicates the version of the firmware and

the build date.

There are two main ways to configure the board:

•Software driver via RS-232

•Advantiv video evaluation software (AV ES3 or newer)

Using the Software Driver via RS-232

In this mode, the RS-232 interface is used primarily to control

the software driver. The software driver outputs messages via

RS-232 as it establishes an encrypted HDMI link and sources,

sinks, or formats changes. Registers can still be read/written

from the command line, but anything that is written to a

full list of commands, type help. The most frequently used

commands are described in Table 2.

Table 2. Most Frequently Used Commands

Command Description

hdmia a (RXA to TXA)

hdmib a (RXB to TXA)

hdmic a (RXC to TXA)

hdmid a (RXD to TXA)

hdmie a (RXE to TXA)

hdmia b (RXA to TXB)

hdmib b (RXB to TXB)

hdmic b (RXC to TXB)

hdmid b (RXD to TXB)

hdmie b (RXE to TXB)

Using AVES3

AVES3 is a Windows®-based application that runs on a PC and

allows you to use scripts to configure registers on the ADV7625.

This application also displays the individual bit fields for each

software supports RS-232, USB, and I2C (using the Total Phase,

Inc., Aardvark™ I2C/SPI host adapter).

Unlike in the previous version of AVES (AVES2), in AVES3 each

evaluation board has its own AVES3 folder, which contains .xml

files and scripts specific to that evaluation board.

If you purchased an E VA L -ADV7625-SMZ evaluation board,

there is documentation in the evaluation kit that explains where

to download the AVES3 software and the AVES3 folder.

If you received an E VA L -ADV7625-SMZ evaluation board from

an Analog Devices sales representative, ask your sales contact

about the AVES3 software and the AVES3 folder.

EVAL-ADV7625-SMZ User Guide UG-603

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UPGRADING THE SOFTWARE DRIVER

The software driver on the evaluation board can be updated

using the U-Boot bootloader that comes with the evaluation

board. However, it is preferable to purchase VisualDSP++® 5.0

and a low cost JTAG debugger for Blackfin processors (HPUSB-

ICE or ICE-100B) to use in case the U-Boot software is

accidentally erased or corrupted.

USING U-BOOT

Every E VA L -ADV7625-SMZ evaluation board is shipped with

the U-Boot bootloader firmware. Assuming this software has

not been erased or corrupted, you have the option of upgrading

the firmware using only an RS-232 cable and software.

An example of output from the U-Boot follows:

-------------------

U-Boot 2012.07-rc2 (ADI-2012R2) (Jul 01 2013

- 15:24:32)

CPU: ADSP bf524-0.2 (Detected Rev: 0.2)

(spi flash boot)

Board: ADI Advantiv™ Video Evaluation Board

Support: http://ez.analog.com

Clock: VCO: 300 MHz, Core: 300 MHz, System:

100 MHz

RAM: 8 MiB

SF: Detected M25P80 with page size 64 KiB,

total 1 MiB

In: serial

Out: serial

Err: serial

KGDB: [on serial] ready

Hit any key to stop autoboot:

-------------------

For this RS-232 output, you can use the following steps to

upgrade the software driver on your board, if you determine

this is necessary. Note that these instructions assume you are

using the latest version of Tera Term for Windows (which is free

to download and use), but any RS-232 software with YMODEM

upload capability should also work.

1. At the hit any key to stop autoboot prompt, press a key

during the countdown.

2. At the bfin >prompt, type the following command:

sf probe 0:1

You should see the following:

SF: Detected M25P80 with page size 256,

total 1 MiB

1024 KiB M25P80 at 0:1 is now current

device

bfin>

3. At this prompt, type the following command:

loady

You should see the following output:

## Ready for binary (ymodem) download to

0x00100000 at 115200 bps...

4. In Tera Term, under File, click Transfer, and then click

YMODEM and select Send … .

5. Select the application firmware (for example, E VA L -

ADV7625_v1p65_app.bin) and click Open.

6. You should see the YMODEM Send dialog box progress

quickly from 0% to 100%. If the software stalls at Packet 1

or Packet 2 for a few seconds, you may need to cancel the

transfer and retry. ( Yo u may need to repeat Step 3 through

Step 5 a few times to accomplish the transfer.) After the

transfer is complete, you should see the following:

CCxyzModem - CRC mode,

0(SOH)/215(STX)/0(CAN) packets, 5 retries

## Total Size = 0x000357fc = 219132

Bytes

bfin>

7. At this prompt, type the following command to erase the

application area of the SPI flash memory:

sf erase 0x60000 0xa0000

You should then see the following output:

bfin>

8. At this prompt, type the following command to program

the application area of the SPI flash memory:

sf write $(loadaddr) 0x60000 $(filesize)

You should then see the following output:

bfin>

9. At this prompt, if you reset your board and allow the

countdown to complete, U-Boot launches the newly

programmed application firmware.

UG-603 EVAL-ADV7625-SMZ User Guide

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EVALUATION BOARD ARTWORK

11759-002

Figure 4. Assembly Drawing (Top Side) of the EVAL-ADV7625-SMZ

EVAL-ADV7625-SMZ User Guide UG-603

Rev. 0 | Page 9 of 12

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