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PM-36 PDF预览

PM-36 - ZORAN CORPORATION

型号:
PM-36
Datasheet下载:
PM-36
PM-36描述:
JPEG Image Processor
PM-36应用:
文档页数/大小:
2页 / 67K
品牌Logo:
品牌名称:
ZORAN [ ZORAN CORPORATION ]

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PM-36

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文档: 2页 / 67K

品牌: ZORAN

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  • PM-36参数
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生命周期
Transferred
包装说明
,
Reach Compliance Code
unknown
风险等级
5.63
Base Number Matches
1
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PM-36
JPEG Image Processor
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-36 is a fixed-function Codec 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 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 multifunction peripherals, particularly in networked
environments.
Benefits
High Performance–JPEG
Imaging Codec–Delivers sustained
data rates of up to 110 MB per second
Efficient Coding–four
loadable Q-Tables and two loadable
Huffman table pairs
Highly Integrated–Internal
Phase-Locked Loop (PLL)
3.3 Volt supply–5
Volt Tolerant I/O
Standard Compliant–ISO
IS 10918-1/10918-2
Key Features
• Conforms to ISO IS 10918-1/10918-2 JPEG baseline for grayscale
and color
• 80 MHz clock speed for sustained 80 MB/second throughput
(Raster or Block mode operations)
• 110 MHz clock speed for sustained 110 MB/second throughput
(Block mode operations only)
• 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
second)
• Internal Phase-Locked Loop (PLL)
• Horizontal 2:1 subsampling and upsampling support for 4:2:2
formats using 2 or 3 point filters (Raster mode operations only)
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.
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.
01/06-MMCP
Imaging-PM-36-PB-1.2

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