Visba
TM
ES3883
Video CD Companion Chip
Product Brief
DESCRIPTION
The Visba ES3883 video CD companion chip (CC) is the
second-generation companion chip that provides an optimal
system design for a video CD player when used with the Visba
ES3880 video CD PC. The ES3883 Visba video CD CC
integrates the CD-ROM controller (featuring direct servo control),
as well as most of the required analog discrete components, into
a simple, highly cost-effective design for a video CD player. The
Visba video CD CC provides the best quality for both video and
audio, and easily passes the highest graded level for the China
VCD standard.
The Visba video CD CC features include a high-quality NTSC/
PAL digital video encoder (DVE), echo, surround sound, audio
DACs, and PLL clock synthesizer. Additionally, there are also
three 9-bit video DACs and two 16-bit sigma-delta audio DACs.
One video DAC handles composite video output, while the other
two handle the S-video outputs. The two 16-bit sigma-delta audio
DACs offer differential outputs. The differential dual audio
outputs from these audio DACs ensure further noise reduction to
a minimum of 90 dB, enabling the Visba video CD CC to pass the
best quality audio on all video CD parameter specifications.
The DVE generates composite and S-video analog signals.
Color space conversions (CSCs) are provided to match the input
data to the required output format. Then, the data is filtered to
meet the selected video standards. In addition, the Visba video
CD CC is equipped with a remote control interface for power
standby on/off, two microphone ports, auxiliary ports, and an
interface for accessing internal registers.
The ES3883 is available in an industry-standard 100-pin plastic
quad flat pack (PQFP) package.
FEATURES
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Multistandard TV encoder:
— CCIR601 nonsquare operation
— NTSC/PAL formats
— Master video mode
— 8-bit interface for YCrCb (4:2:2) input format
— Simultaneous composite and S-video output
— Interlaced operation
Audio DACs:
— Two 16-bit sigma-delta DACs
— Dual audio output, SNR better than 90 dB
— Accepts I
2
S format data
— Programmable functions
Surround sound
Remote control interface for power standby on/off
Digitally controlled echo with up to 130-ms delay
Dual microphone input
Clock synthesizer (PLL):
— Based on 27-MHz crystal input
— Generates required clocks for video encoder, audio
DAC, echo and surround sound, and video processor
Device serial communication (DSC) port for command issued/
register access
Graphical user interface (GUI) and hyperlink
Direct CD servo control
Vocal assist
Remote control
Interrupt control
Power management
100-pin PQFP
Single 5V power supply
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Figure 1 shows a block diagram of a standalone system with a
Visba video CD processor chip and a video CD companion chip.
Visba ES3883
Companion Chip
CD-ROM Controller
CD-ROM
Kit
Remote
Control
Interrupt
Control
Remote
Receiver
Speakers
Audio DAC
Visba ES3880
(Video CD)
DSC
NTSC/PAL Video
PLL
Echo/Surround/Vocal Assist
Mic 1
Preamp
Volume Control
Preamp
Volume Control
Television
ROM
DRAM
Mic 2
VFD
Driver
VFD
Panel
Figure 1 Visba ES3883 Video CD Companion Chip System Block Diagram
ESS Technology, Inc.
SAM0416-073001
1
ESS [ ESS Technology,Inc ]
