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PM-1100 PDF预览

PM-1100 - ZORAN CORPORATION

型号:
PM-1100
Datasheet下载:
PM-1100
PM-1100描述:
Precision Digital Modulator/Synthesizer
PM-1100应用:
文档页数/大小:
2页 / 66K
品牌Logo:
品牌名称:
ZORAN [ ZORAN CORPORATION ]

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PM-1100

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文档: 2页 / 66K

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PM-1100
Precision Digital Modulator/Synthesizer
Imaging
Software
Driving the Digital Lifestyle
Processors
Quatro SOCs
Solutions
Product Brief
Zoran Corporation
1390 Kifer Road
Sunnyvale, CA 94086-5305
www.zoran.com
The PM-1100 is an all-digital Pulse Width Modulator (PWM) and
frequency synthesizer designed with features and performance
to give OEM's products outstanding color and monochrome
print quality. The PWM provides unprecedented precision
control of pulse width and position allowing original equipment
manufacturers (OEMs) to implement complex image processing
for distinct advantages in the marketplace. The integration of a
digital frequency synthesizer and rich feature set enables
manufacturers to meet stringent quality requirements, scales of
integration and outstanding performance.
Benefits
• Provides exceptional precision control of pulse width and position
• Enables complex image processing for distinct advantages in the
marketplace
• Fully digital, self-calibrating modulator
• All-digital design guarantees high accuracy without requiring
discrete components or calibration cycles
• Internal frequency synthesizer to generate pixel clock
Key Features
• Digital frequency synthesizer merged with PWM
• Video clock output from frequency synthesizer
• Operates with arbitrary reference clock (30 MHz - 66 MHz)
• Pulse addressabilty – (up to10 bit pulse width / 7 bit
pulse position)
• 100 MHz maximum video rate
• LVDS or TTL video output
• Single or dual pixel data I/O with integrated FIFO to accommodate
high speed applications
• Automatic and continuous self-calibration
• Integrated Beam Detect synchronization – multi beam support
• Integrated look-up-tables for pulse width and position calibration
• Frequency sweep – dynamically vary video clock frequency within
scan line
• Margin control
• Seamless pixel joining–zero dead space
Description
Digital Frequency Synthesizer
The PM-1100 is a fully digital and self-calibrating design based on a
free running loop of delay elements. Combined with front-end logic to
perform the required arithmetic calculations, the Arbitrary Waveform
Synthesizer (AWS) can generate any desired output waveform based
on a single reference clock input. The PM-1100 expands the use of
the AWS by integrating a frequency synthesizer with a PWM. The
integrated frequency synthesizer eliminates the need of generating
the video clock in the OEM controller. The digital frequency
synthesizer will generate the video pixel clock from an independent
arbitrary input reference clock (30 MHz to 66 MHz). The frequency
synthesizer and PWM are implemented using the same AWS
technology. The two functionalities are merged into a single module,
with two separate arithmetic front ends. The generation of the video
clock and the video output pulse are performed simultaneously in a
single module, leading to the elimination of clock jitter and noise,
providing unprecedented precision of the output pulse. In addition,
this integration leads to great flexibility in manipulating the video
clock, as the PM-1100 incorporates a feature where the video clock
frequency can be dynamically varied within a scan line.
Precision Video Pulse Placement
The PM-1100 Precision Digital Modulator allows designers to adjust
the pulse width, position and polarity in each pixel cell of the image,
enabling superior edge and photo reproduction and enhancement.
The PM-1100 controls video pulse width from 0-100% of a pixel clock
period with 10-bit precision. Regardless of the mode chosen, 1024
addressable pulse widths are available with the use of the ILUT. The
precision modulator can position a pulse with up to 7-bit precision
within a pixel period. In addition the polarity of any pulse can be
inverted.
Beam Detect (BD) Synchronization
Start-of-scan is automatically synchronized to the print engine Beam
Detect signal (BD). The modulator uses BD to phase adjust the video
cell boundaries to the start of each line within 1/256th of a video
clock period, eliminating line-to-line jitter. The PM-1100 also supports
BD synchronization in multi-beam systems.
Margin Control
Once initialized by the printer controller, the PM-1100 can provide
both horizontal and vertical margins using the following registers: left
margin, line length, top margin and number of lines.
Imaging-PM-1100-PB-1.3
11/05-MMCP

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