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參數(shù)資料
| 型號(hào)： | ZR36016 |
| 廠商： | Zoran Corporation |
| 英文描述： | JPEG Pre- and Post-Processor(JPEG 先-后處理器) |
| 中文描述： | JPEG格式前和后處理器（JPEG格式先-后處理器） |
| 文件頁數(shù)： | 24/36頁 |
| 文件大小： | 228K |
| 代理商： | ZR36016 |
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24
Integrated Color Space / Raster-To-Block Converter
Fast Preview Function
The Fast Preview function allows a compressed image to be
expanded rapidly with 1/8-th resolution in both the horizontal and
vertical directions. The expanded image is output on PXOUT
from the point designated by NAX and NAY.
For Fast Preview, RSTR = 1.
Lossless Compression/Expansion
The ZR36016 supports the lossless compression/expansion
function of the ZR36050. Note that the ZR36050 supports image
data precision of 2-12 bits, but the ZR36016 supports only up to
8 bits.
For lossless operation, RSTR = 1.
A recommended Huffman table for 8-bit precision is:
Host Interface
The Host Interface is used for the setting and reading of the
internal control registers. The access to these control registers
is permitted only when the ZR36016 is idle, or while FBSY is not
asserted. The only exception is the GO/STOP register, which
can be accessed at any time.
Register Access
Register access is asynchronous with the system clock
SYSCLK. A typical transfer is shown in Figure 35.
ID = 0
Length
0 1 5 1 1 1 0 0 0 0 0 0 0 0 0 0
Value
0 1 2 3 4 5 6 7 8
Figure 35. Control Register Access
ADDR[1:0]
CS
RD
DATA[7:0]
(Read)
WR
DATA[7:0]
(Write)
The Frame Busy Signal FBSY
The following are the conditions when the Frame Busy signal is
asserted or negated.
During Compression:
Asserted:
After the VIN rising edge at the start of a frame
which is subject to data processing.
After the ZR36016 outputs EOS to the
ZR36050.
Negated:
During Expansion:
Asserted:
Immediately after GO is set or after receiving
DSYNC from the ZR36050.
After EOS is received from the ZR36050 and
all data has been output on PXOUT.
Negated:
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ZR36050 | JPEG Image Compression Processor(JPEG 圖象壓縮處理器) |
| ZR36060 | Integrated JPEG Codec(集成JPEG編解碼器) |
| 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 |
| ZR36067 | AV PCI CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZR36016PQC | 制造商:ZORAN 功能描述: |
| ZR36016PQC-30 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:INTEGRATED COLOR SPACE / RASTER-TO-BLOCK CONVERTER |
| ZR36050 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:JPEG IMAGE COMPRESSION PROCESSOR |
| ZR36050PQC-21 | 制造商:ZORAN 功能描述: |
| ZR36050PQC27 | 制造商:ZORAN 功能描述:* |
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