PM-1075 ETC-unknow, PM-1075 Datasheet
PM-1075
Manufacturer Part Number
PM-1075
Description
Manufacturer
ETC-unknow
Datasheet
1.PM-1075.pdf
(2 pages)
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PM-1075
Precision Digital Modulator
Product Brief
The PM-1075 Precision Digital Modulator provides state-of-the-art laser modulation for high-quality, high-speed color and
monochrome laser printer systems, multifunction peripherals (MFPs) and digital copiers.
Benefits
• Precision modulator for laser printers/copiers and MFPs
• Adjustable, precision video pulse placement for superior edge
• Proprietary pulse position and pulse width modulation technology
• Internal beam–detect synchronization eliminates line-to-line jitter
• All-digital design–no alignment or calibration required
Description
PM-1075 Sets a New Standard
The PM-1075 is unique in two ways: 1) it modulates both pulse width
and pulse position, and 2) it can operate with or without a CPU
enabling easy integration into an analog modulator replacement
environment or be fully utilized with its expanded feature set.
Proprietary core technologies in sub-pixel modulation give virtually
unlimited flexibility in the driving of laser beams to achieve the
highest quality color and monochrome text, line-art and photographic
images. The sub-pixel modulator precisely controls laser beam size
and position, enabling very high resolutions. The high speed and low
cost of the PM-1075 make it ideal for use across product lines, with
no compromise in performance.
Precision Video Pulse Placement
The PM-1075 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-1075 controls video pulse width from 0-100% of a pixel clock
period with 10-bit precision. In a high-precision mode, 1024 pulse
widths can be obtained when the calibration look-up table (LUT) is
bypassed. The precision modulator can position a pulse with 7-bit
precision within a pixel period. In addition the polarity of any pulse
can be inverted.
01/06-MMCP
photo reproduction and enhancement
Zoran Corporation
1390 Kifer Road
Sunnyvale, CA 94086-5305
Imaging
www.zoran.com
Key Features
• 10-bit pulse width precision; 1024 linearized width choices
• True 7-bit pulse position precision; up to 128 position choices
• Automatic start-of-scan-line synchronization to within 1/256th
• Internal look-up tables (LUT) compensate for operating
• Margin control
• Supports five data modes
• Seamless pixel joining–zero dead space
• Supports any engine resolution
• No modulator calibration required–inherently linear, all-digital
• 8-bit parallel or 2-wire serial CPU Interface
• Supports a "No CPU" mode
• 1x Clock = Data Clock = Video Rate
• Maximum video rate: 75 MHz
Beam Detect (BD) Synchronization
Start-of-scan (Line Sync) 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.
Data Modes and Look-up Tables
The PM-1075 supports up to 12 input bits to describe the pulse width
and position within each clock period. Multiple data format options
and 2 internal look-up tables (LUT) provide exceptional user
flexibility. In the default mode, the LUTs are bypassed, with inputs
defined as 10 bits of width information and 2 bits selecting the
position (left, center, right, or reversed center). In this mode no CPU
is required to operate the chip.
The PM-1075 supports multiple data mode configurations (see chart
on back page). In these modes, input data is translated through the
PM-1075's internal LUTs, which translate incoming data to width and
position values that optimize video output to the specific engine/toner
system and/or user-desired operating characteristics. The Pulse
Width LUT has 256 10-bit values translating up to 8 bits of pulse
width into 10 bits. The Pulse Position LUT has 256 8-bit values which
describe the pulse position (7 bits) and polarity (1 bit) based on up to
8 position inputs. Naturally, the PM-1075 will support fewer bits in
any mode (i.e. 6/2-bit data in the 8/4-bit mode). The LUTs allow the
maximum resolution of the modulator to be used with minimal data
based on the system requirements.
Software
of a pixel
characteristics of the printer device
design
Processors
Driving the Digital Lifestyle
Driving the Digital Lifestyle
Quatro SOCs
Imaging-PM-1075-PB-1.2
Solutions
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PM-1075 Summary of contents
Page 1
... Kifer Road Product Brief Sunnyvale, CA 94086-5305 The PM-1075 Precision Digital Modulator provides state-of-the-art laser modulation for high-quality, high-speed color and monochrome laser printer systems, multifunction peripherals (MFPs) and digital copiers. Benefits • Precision modulator for laser printers/copiers and MFPs • ...
Page 2
... CTR* 10/0 bit LR** "No CPU" Mode When the PM-1075 is reset, it automatically enters a "no CPU" mode. All LUTs are bypassed, so that no CPU interface is required. When reset, the pulse mode is 10/2, where width and 2 position bits are supplied. The 2-bit position data is internally hard coded, enabling 4 pulse position choices: left justified, center positive, center inverse and right justified ...