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Hardware Setup
5
Hardware Setup
Figure 1
shows the TVP9900EVM layout and indicates the location of the power supply and the
appropriate connectors. All connectors are labeled according to their function. To prepare the EVM for
evaluation, connect the following:
1. There are two parallel interfaces on the EVM. The one labeled J3 is for the I
Connect a parallel port cable from this connector on the EVM to the PC.
2. The other connector, labeled J2, provides a digital MPEG-2 transport stream that is compliant to
DVB-SPI. Connect this to a BER tester or to an MPEG-2 decoder.
3. Connect an RF video source to the TVP9900EVM tuner board RF input.
4. Connect the 5-V power supply to the dc jack on the TVP9900 board. A green LED on the board should
now be lit.
2
The I
C slave address can be selected with jumper JP2. There are two possible addresses: 0xB8 and
0xBA. The default setting for this jumper is for the shunt to be in place, which selects 0xB8. This is
connected to TVP9900 pin 38, which is read at power up. If the shunt is removed and the EVM reset, the
TVP9900 now responds to I
EVM board to 0xC2 (tuner board jumper JP1 is open). This jumper setting is required to match the I
slave address in the Tuner Type window in the WinVCC software.
Note:
If the I
powered up, the device does not recognize the new I
TVP9900EVM must be pressed, and WinVCC must be exited, restarted, and configured
for the new I
6
Software Installation
WinVCC is a Windows application that uses the PC parallel port to emulate I
2
device on the I
C bus. WinVCC makes use of CMD files, which are text editable files that allows preset
receiver setups to be programmed easily.
This feature allows the user to easily set multiple I
has property sheets for the TVP9900, which allow the user to control the I
control page is provided to setup and control the included RF tuner.
All necessary software for the TVP9900EVM is provided on the enclosed CD. Perform the following steps
to install WinVCC:
1. Explore the provided TVP9900EVM software CD.
2. Install Port95NT.exe. This is the parallel port driver used by WinVCC. This driver must be installed and
the PC must be rebooted before WinVCC can operate correctly. This does not affect normal parallel
port operation.
3. Install Setup.exe. Click Next at all prompts and click Finish to complete the installation process. This
installs WinVCC onto the PC. No reboot is required.
4. Run WinVCC.exe.
Note:
A shortcut to WinVCC and additional TVP9900 related documentation can be found at
Start→All Programs→TVP9900EVM Software.
10
TVP9900EVM User's Guide
2
C slave address 0xBA. The tuner I
2
C address is changed on the TVP9900 or tuner board while the TVP9900EVM is
2
C address.
2
C address is set by default on the tuner
2
C address. The reset button on the
2
C registers with the press of a button. WinVCC also
2
C registers with a GUI. A tuner
SLEU081A – March 2007 – Revised July 2007
www.ti.com
2
C interface to the PC.
2
C
2
C, providing access to each
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