參數(shù)資料
型號(hào)： ZR36060
廠商： Zoran Corporation
元件分類： Codec
英文描述： Integrated JPEG Codec(集成JPEG編解碼器)
中文描述： 綜合JPEG編解碼器（集成的JPEG編解碼器）
文件頁數(shù)： 7/46頁
文件大?。?/td> 307K
代理商： ZR36060
5
Integrated JPEG CODEC
End-of-image, EOI (0xFFD9). This marker follows the last
byte of the compressed data.
1.2.2.2 Optional markers and marker segments
The ZR36060 supports the following optional markers and
segments:
Application specific, APPn (0xFFE0-0xFFEF). The standard
allows up to 16 different APP markers in a single image bit-
stream. The ZR36060 can insert one APP marker in
compression. A ZR36060 APP marker can have a segment
length of up to 62 bytes. In decompression, if the image bit-
stream contains a single APP marker with a segment length
of 62 bytes or fewer, the host can retrieve it after the
ZR36060 has finished decompressing the image; if the seg-
ment is longer, the data is lost. If there are multiple APP
segments, only the last one can be retrieved.
Comment, COM (0xFFFE). The restriction on the length (62
bytes) is the same as for the APP marker.
Define restart interval, DRI (0xFFDD). Defines that restarts
are to be used, and the size in MCUs of the restart interval.
Define quantization tables, DQT (0xFFDB). Specifies the
quantization tables used to compress the image.
Define Huffman tables, DHT (0xFFC4). Specifies the Huff-
man tables used to compress the image.
Restart, RSTm (0xFFD0-0xFFD7). Marks the beginning of a
restart interval in the compressed data.
Note that when quantization and Huffman tables are loaded into
the ZR36060 by the host controller, they are specified in exactly
the same format as is used in the marker segments.
In compression, the ZR36060 inserts optional marker segments,
if programmed to do so, into the compressed data bitstream in a
fixed order: APP, COM, DRI, DQT, DHT. These appear immedi-
ately after SOI, before SOF. In decompression, they can appear
in any order or position allowed by the JPEG standard.
1.2.3 Motion JPEG
The JPEG standard defines a method for compression of a
single (“still”) image. It does not have any provision for motion
video, and the term “motion JPEG” simply means that each field
of a video sequence is compressed as a separate JPEG image
bitstream. The ZR36060 includes features that make this proce-
dure straightforward.
1.3 Notational Conventions
The following notational conventions are used in this data sheet:
External signals: bold capital letters (e.g.,
COMP
)
Active-low mark: overbar (e.g.,
RESET
)
Buses: XXmsb_index:lsb_index (e.g.,
UV7:0
)
Register fields: XXmsb_index:lsb_index (e.g., Count27:16)
Register types:
R - read only
W - write only
RW - read-write (data written can be read back)
Numbers: numbers with no prefix or suffix are decimal (e.g., 365,
23.19). Hexadecimal numbers are indicated with a ‘0x’ prefix
(e.g., 0xB000, 0x3). Binary numbers are indicated with a ‘b’ suffix
(e.g., 010b, 0000110100011b).
相關(guān)PDF資料
PDF描述
ZR36060 Circular Connector; No. of Contacts:19; Series:; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Socket; Circular Shell Style:Cable Receptacle; Insert Arrangement:14-19
ZR36060PQC Integrated JPEG CODEC
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ZR36067PQC AV PCI CONTROLLER
ZR36067 PCI Adapter Intended for Multimedia Applications on PCI Systems(PCI（外圍部件互連）適配器（用于PCI系統(tǒng)的多媒體）)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ZR36060PQC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Integrated JPEG CODEC
ZR36060PQC-27 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
ZR36060PQC-29.5 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
ZR36067 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AV PCI CONTROLLER
ZR36067PQC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AV PCI CONTROLLER
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