PM-36 Zoran, PM-36 Datasheet
PM-36
Manufacturer Part Number
PM-36
Description
JPEG Image Processor
Manufacturer
Zoran
Datasheet
1.PM-36.pdf
(2 pages)
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Product Brief
PM-36™
JPEG Image Processor
The PM-36 is a fixed-function iCODEC device that delivers high
speed JPEG compression/decompression of color and grayscale
image data. An ISO standard for lossy image compression, JPEG
can reduce the size of image data without a noticeable
difference in image quality. This improves system performance of
Benefits
Description
High Throughput
The PM-36 can sustain data rates of 80 or 110 MB per second to
support real time operations. In addition, it implements two advanced
features that maximize throughput and system performance:
• Programmable code rate control—This optional mode limits the
encoded output data bandwidth to a predefined rate by dynamically
reducing the quantization accuracy on a block-by-block basis, as
required. This assures maximum throughput in high-speed
peripherals.
• Programmable code size control—This mode allows definition of an
upper limit for the size of the encoded output file so that it does not
exceed a fixed memory buffer size. This is achieved in a single pass
of the data, with no degradation in performance.
9/03-MA
• High Performance JPEG Imaging CODEC—Delivers sustained
• Efficient Coding—loadable Q-Tables and two loadable Huffman
• Highly Integrated—Internal Phase-Locked Loop (PLL)
• 3.3 Volt supply—5 Volt Tolerant I/O
• Standard Compliant—ISO IS 10918-1/10918-2
data rates of up to 110 MB per second
table pairs
/80 MHz/110MHz
Zoran Corporation
1390 Kifer Road
Sunnyvale, CA 94086-5305
Imaging
www.zoran.com
Key Features
peripheral-based applications by reducing bandwidth and storage
requirements. The PM-36 is ideal for high resolution imaging
applications such as copiers, scanners, printers and multi-function
peripherals, particularly in networked environments.
• Conforms to ISO IS 10918-1/10918-2 JPEG baseline for grayscale
• 80 MHz clock speed for sustained 80 MB/second throughput.
• 110 MHz clock speed for sustained 110 MB/second throughput
• 3.3 Volt power supply
• Four selectable quantization tables
• Two pairs of loadable Huffman tables
• Programmable code rate control
• Programmable code size control (single pass)
• Raster and block data formats
• Internal 256-byte buffers on input and output ports
• I/O modes supporting transfer rates up to 40 MHz (280 MB/per
• Internal Phase-Locked Loop (PLL)
• Horizontal 2:1 subsampling and upsampling support for 4:2:2
Efficient Coding
The PM-36 features several advanced JPEG coding techniques for
improved efficiency. Four loadable Q-tables are available for
dynamic quantization control on a block-by-block basis. In addition,
The PM-36 contains two loadable Huffman table pairs, which
improves coding efficiency by allowing the system to use different
encoding factors with out reprogramming the device.
Highly Integrated
The PM-36 features an internal Phase-Locked Loop (PLL) that
enables the chip to generate its main internal clock frequency from a
lower-frequency signal. This reduces emissions and simplifies board
design, particularly in systems using low-power CPUs and no external
SRAM.
and color
(Raster or Block mode operations)
(Block mode operations only)
second)
formats using 2 or 3 point filters. (Raster mode operations only)
Software
Processors
Driving the Digital Lifestyle
Driving the Digital Lifestyle
SOC Solutions
Imaging-PM-36-PB-1.0
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PM-36 Summary of contents
Page 1
... Standard Compliant—ISO IS 10918-1/10918-2 Description High Throughput The PM-36 can sustain data rates 110 MB per second to support real time operations. In addition, it implements two advanced features that maximize throughput and system performance: • Programmable code rate control—This optional mode limits the ...
Page 2
... Copyright ©1999-2003 Zoran Corporation. All rights reserved. Zoran, the Zoran logo and the PM-36 are trademarks of Zoran Corporation. All other names used are owned by their respective owners. Zoran Corporation makes no guarantee concerning the accuracy of the information contained herein and further does not guarantee that the use of such information will not infringe the rights of any third party. Zoran will not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon, the information ...