Manual do usuário Texas Instruments TVP5154EVM

Manual para o dispositivo Texas Instruments TVP5154EVM

Dispositivo: Texas Instruments TVP5154EVM
Categoria: Hardware
Fabricante: Texas Instruments
Tamanho: 0.76 MB
Data de adição: 11/16/2014
Número de páginas: 55
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TVP5154EVM
User's Guide
Literature Number: SLEU069A
February 2006–Revised July 2006

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2 SLEU069A–February 2006–Revised July 2006 Submit Documentation Feedback

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Contents 1 Functional Description................................................................................................. 6 1.1 Description Overview ............................................................................................ 6 2 Board Level Description .............................................................................................. 7 2.1 Test Points and Jumpers........................................................................................ 7 2.2 Co

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List of Figures 1 TVP5154EVM Block Diagram.............................................................................................. 7 2 Anti-Aliasing Filter Selection................................................................................................ 8 3 TVP5154EVM System-Level Block Diagram............................................................................. 9 2 4 WinVCC – I C Configuration Screen .........................................................................

Resumo do conteúdo contido na página número 5

List of Tables 2 1 I C Address Selection Jumpers (I2CSEL1, JP9 and I2CSEL2, JP10)................................................ 7 2 Power-Down-Mode Selection Jumper (PDN, JP11) .................................................................... 7 3 Main Menu Summary ...................................................................................................... 16 4 TVP5154 Register Map Editor Controls................................................................................. 21 5

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User's Guide SLEU069A–February 2006–Revised July 2006 TVP5154EVM User's Guide 1 Functional Description The TVP5154EVM evaluation module is a printed circuit board designed for evaluation of the TVP5154 quad video decoder. The board includes the TMS320DM642 digital signal processor (DSP) and is designed with a 120-pin connector, which allows a connection to multiple backends; the evaluation module (EVM) is shipped with a professional encoder module. The board is designed to provide ease of use, w

Resumo do conteúdo contido na página número 7

www.ti.com Board Level Description 2 Board Level Description The TVP5154EVM consists of the TVP5154EVM module and the encoder EVM module. A 4-row 120-pin connector connects the boards. The block diagram of the EVM set is shown in Figure 1. Figure 1. TVP5154EVM Block Diagram 2.1 Test Points and Jumpers The TVP5154EVM was designed with test points and jumpers to help in evaluation and troubleshooting. Each jumper is set by default in its preferred state for the TVP5154EVM. There are test points fo

Resumo do conteúdo contido na página número 8

www.ti.com Board Level Description 2 Note: If the I C address is changed on either the TVP5154 board or the encoder board while the 2 TVP5154EVM is powered up, that device will not recognize the new I C address. The reset button on the TVP5154EVM must be pressed and WinVCC must be reconfigured for the new 2 I C address. 2.2 Common Board Interface The TVP5154EVM uses a 4-row 120-pin connector to share common signals and the 5-V power supply between the boards. This connection allows multiple back

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www.ti.com System-Level Description 3 System-Level Description A system-level block diagram incorporating the TVP5154 is shown in Figure 3. Typical commercially-available test equipment is also shown. The primary features of this configuration are: • Power is provided by a single 5-V power supply provided with the EVM and is shared between both modules via the 120-pin connector. • Supported analog inputs include composite video and S-video. • Re-encoded composite video and S-video are output via

Resumo do conteúdo contido na página número 10

www.ti.com Software Installation The system comes with the anti-alias filters bypassed. To connect the filters, you must rotate the appropriate jumpers (JP1–JP8) as described in section 2.3. 2 The I C slave address can be selected with jumpers JP9 and JP10. There are four possible addresses: B8, BA, BC, and BE. The default setting for these jumpers is for the shunt to short pins 2-3, which selects 0xB8. These are connected to pins 117 and 118, which are read at power up. If you move both the 2 j

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www.ti.com WinVCC Quick Start 2 Figure 4. WinVCC – I C Configuration Screen 3. Ensure that all other boxes are selected as “Not Used” and that all program options buttons are set to ENABLE. Click OK. 2 4. If there are no I C communication issues, the Real-Time Polling dialog window displays next as shown 2 2 in Figure 5. If there are I C issues, an I C Test Report box displays. Completely exit out of WinVCC, 2 double-check the parallel port cable connections, I C address settings, cycle power on

Resumo do conteúdo contido na página número 12

www.ti.com WinVCC Quick Start Figure 5. Real-Time Polling Dialog 2 6. The TVP5154 I C Write Enable(s) and Read Enable pop-up window is displayed as shown in Figure 6. 2 This is used to select which decoder or decoders (any combination of all four) will receive I C Write 2 commands, and which decoder (only one) will receive I C Read commands. Decoder 1 is Enabled by default; enable the other three decoders by clicking on each decoder’s enable button. 2 Figure 6. Decoder I C Write and Read Enable

Resumo do conteúdo contido na página número 13

www.ti.com WinVCC in Depth Figure 8. WinVCC – System Initialization 9. With video sources provided at the BNC connectors and the EVM output connected to a monitor, video from the source connected to CH1 should be viewable on the display monitor. 10. The other datasets in the command file are provided to demonstrate examples of 5154 scaling performance. Refer to the TVP5154 data sheet (SLES163) or Scaler application report for more details on programming the TVP5154 scaler. The DM642 settings can

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www.ti.com WinVCC in Depth 8.2 WinVCC Configuration Dialog Box The WinVCC Configuration dialog box (see Figure 10) should now be visible. This dialog box configures 2 the I C bus on the TVP5154EVM. All settings from this dialog box are stored in the Windows registry and are restored the next time the program is started. After initial installation, VID_DEC is set to TVP5154 and VID_ENC is set to 7311 Encoder. 2 2 The I C slave address for each device must match the I C slave address selected by j

Resumo do conteúdo contido na página número 15

www.ti.com WinVCC in Depth 2 2 The I C system test can be run at anytime by clicking Run System I C Test in the Tools menu. 2 Figure 11. I C System Failure 8.4 Real-Time Polling Real-time polling provides polling functions that execute continuously in the background, when enabled via the Real-Time Polling dialog. There are two polling functions. The function that applies to the TVP5154 is VIDEO-STANDARD AUTO-SWITCH POLLING. When the TVP5154 detects a change in the input video standard, it automa

Resumo do conteúdo contido na página número 16

www.ti.com WinVCC in Depth Figure 12. Real-Time Polling Dialog 8.5 Main Menu After closing the real-time polling dialog, the main menu is displayed as shown in Figure 13. The menus, which are used to operate WinVCC, are File, Edit, Tools, Window, and Help. The File menu’s only function is Exit, which terminates the program. Table 3 summarizes the main menu contents. Figure 13. WinVCC – Main Screen Table 3. Main Menu Summary MENU CONTENTS File Exit Edit Register Map TVP5154 7311 Encoder Module 2

Resumo do conteúdo contido na página número 17

www.ti.com WinVCC in Depth 2 The TVP5154 I C Write Enable(s) and Read Enable pop-up window is displayed as shown in Figure 14. 2 This is used to select which decoder or decoders (any combination of all four) will receive I C Write 2 commands, and which decoder (only one) will receive I C Read commands. Decoder 1 is Enabled by default; enable the other three decoders by clicking on each decoder’s enable button. 2 Figure 14. Decoder I C Write and Read Enable 8.5.1 System Initialization Clicking Sy

Resumo do conteúdo contido na página número 18

www.ti.com WinVCC in Depth Figure 15. System Initialization 8.5.1.1 Adding a Custom Dataset After programming the EVM via the System Initialization tool using the factory-supplied command file, you can customize the device register settings to fit your needs. Perform the following steps to save your custom settings: 1. Reopen the System Initialization dialog box via the Tools menu. 2. Click the Append Current Device Settings to Command File button. A dialog box requesting a description of the ne

Resumo do conteúdo contido na página número 19

www.ti.com WinVCC in Depth 8.5.1.2 Command Files The command file is a text file that can be generated using any common editor; however, it must be saved as plain text. Command files are especially useful for quickly switching between the various system configurations. These .CMD files are unrelated to the typical Windows .CMD files. A default command file is provided on the CD. This command file contains many examples of the desired setups. This command file is located at: c:\Program Files\Texa

Resumo do conteúdo contido na página número 20

www.ti.com WinVCC in Depth If the literal slave address method is used, the slave address entered is used directly. This method is normally used for programming the video encoder. The slave address 0x40h is used to access the DM642. • A delay may be inserted between commands using the WAIT command, which is written as: WAIT,<# milliseconds> 8.5.2 Register Editing The next section describes the five available modes of register editing: TVP5154 Register Map editor, 2 7311 Encoder Module Register M


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