参数资料
型号: OM5721
厂商: NXP Semiconductors N.V.
英文描述: STB5660 Set-Top Box STB concept
中文描述: STB5660机顶盒机顶盒的概念
文件页数: 16/20页
文件大小: 100K
代理商: OM5721
1999 May 05
16
Philips Semiconductors
Product specification
STB5660 (Set-Top Box) STB concept
OM5721
6
DEVELOPMENT ENVIRONMENT
This chapter describes how you can develop your own
STB5660 application, what environment you need. What
hardware and software interface the system provides.
It answers the question what you need to start developing
your application. In addition it will tell you what you will
receive with the system that gets you on your way and
shorten development time and reduce the costs involved.
6.1
Summary of the STB5660 kit
When you receive the STB5660 development system it will
offer you a complete Set-Top Box system with all needed
documentation for development. This will give you a ‘plug
and play’ solution to test and develop a system based on
this platform.
6.1.1
T
HE HARDWARE
This consists off a satellite front-end board, a front panel
with the display and IR-receiver, a main board, smart card
unit, the remote control and all cables needed to make the
necessary connections. On the main board you will find a
programmed EPROM and Flash memory.
6.1.2
T
HE SOFTWARE
You will receive not only the binary executable, but also all
source codes in C, header files and documentation files.
The software will include the complete Application
Programmers Interface (API) for all components on the
board, except for IEEE 1394, which will be a subset of the
standard. This API will offer a developers logical services
like audio, video, graphics, descrambling, etc. Together
with this you will get the Feature Demonstration
Application (FDS). This is an application that will show you
the key features of the system.
6.1.3
D
OCUMENTATION
Here you will find the user manual and programmers
reference for all major parts of the system like the
SAA7215 (AVGD chip), the SAA7214 (MPEG2
descrambler demultiplexer chip), and the satellite
front-end module (OM5718).
6.1.4
T
EST REPORTS
These are included to prove the system maturity. You will
see the reports of the API tests and the reports concerning
the extensive In-System-Test. The latter is done to prove
the chip-set in a complete system environment, a
customer like set-up, customer use based on our
experience with previous end-customers.
6.2
How to get started
The first day you receive the system you can hook up a
satellite dish or transport stream (DiSEqC or not), a TV,
connect power to the system and it will start with the FDS
program. This demo gives you a menu driven interface to
the system. You can test and experiment with all main
features of the system. See how fast the On-Screen
Display functions, try out the IEEE 1394 interface to a
similar board, look at window tests, try out teletext, etc.
This will give you an understanding of the system and its
possibilities.
6.3
Hardware interface with the STB5660
Besides the dish and the TV (SCART, SVHS, CCIR 656
YUV) there is an interface to IEEE 1394, SPDIF
(multi-channel audio decoder, to a PC via RS232 and
IEEE 1284 (Centronics), a debug socket (ROM emulator,
I/O), JTAG connector (boundary scan testing), smart-card
unit and a remote control.
To use a ROM emulator there is an I/O connector on the
main PCB where an extension board fits on the debug
connector. This extension gives you access to two
footprints for 1-Mbyte ROMs.
6.4
Software interface with the STB5660
In the following way you can interface to the system to
develop and debug your own application. Connect a PC
(or other development system) with a ROM emulator to
extension board on the debug connector, compile the
supplied source code and load the executable in the ROM
emulator. Connect the RS232 debug port to the PC and
run a terminal program, this will give you a debug screen.
If you don’t have a ROM emulator you can use the parallel
port (IEEE 1284) of the Set-Top Box. There is a loader
program embedded in the EPROM of the system which
allows development without ROM emulator.
The maximum possible memory configuration consists of
a boot ROM (256 kbytes) with the loader program,
2 Mbytes fast DRAM as scratch memory, 32 kbytes NVM
for channel data storage, 4 Mbytes Flash memory to store
the program and 4 Mbytes SDRAM video memory.
The boot Chip Select can be switched between boot ROM
and Flash memory. Of course a smaller configuration is
possible, just leave the memory footprints open.
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