pm-1100 Zoran, pm-1100 Datasheet

pm-1100

Manufacturer Part Number

pm-1100

Description

Precision Digital Modulator/synthesizer

Manufacturer

Zoran

Datasheet

1.PM-1100.pdf (2 pages)

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PM-1100

Precision Digital Modulator/Synthesizer

Product Brief

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

Benefits

• Provides exceptional precision control of pulse width and position

• Enables complex image processing for distinct advantages in the

• Fully digital, self-calibrating modulator

• All-digital design guarantees high accuracy without requiring

• Internal frequency synthesizer to generate pixel clock

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.

11/05-MMCP

marketplace

discrete components or calibration cycles

Zoran Corporation

1390 Kifer Road

Sunnyvale, CA 94086-5305

Imaging

www.zoran.com

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

• 100 MHz maximum video rate

• LVDS or TTL video output

• Single or dual pixel data I/O with integrated FIFO to accommodate

• 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

• Margin control

• Seamless pixel joining–zero dead space

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.

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.

Software

pulse position)

high speed applications

scan line

Processors

Driving the Digital Lifestyle

Quatro SOCs

Imaging-PM-1100-PB-1.3

Solutions

Related parts for pm-1100

pm-1100 Summary of contents

Page 1

... Internal frequency synthesizer to generate pixel clock 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 ...

Page 2

... CTR* 10/0 bit LR** No Modulator Chip Calibration Due to its all-digital design, the PM-1100 is inherently linear; no alignment or calibration of the modulator chip is necessary the case with many analog modulators. The PM-1100 operates at full specification without any tuning of components. PM-1100 Electrical Specifications • ...

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