參數(shù)資料
型號: μSAP70300-B03
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機(jī)微控制器
文件頁數(shù): 79/102頁
文件大?。?/td> 282K
代理商: ΜSAP70300-B03
69
CHAPTER 2 LIBRARY SPECIFICATIONS
(4) Sampling
Classification
Value
Explanation
Compression
SAMPLE11
SAMPLE21
SAMPLE22
SAMPLE41
Set sampling ratio.
Four sampling ratios are supported. This information is appended to the
JPEG header.
Expansion
SAMPLE11
SAMPLE21
SAMPLE22
SAMPLE41
Sampling ratio is automatically stored from JPEG file. Four sampling ratios
are supported. Because the expansion library automatically identifies the
sampling ratio being used, the user does not have to consider the sampling
ratio.
Analysis
Higher 4 bits:
[0x1 to 0x4]
Lower 4 bits:
[0x1 to 0x4]
Sampling ratio is automatically stored from JPEG file.
SAMPLEn is defined by header file “jpeg.h” for compression/expansion.
Sampling
(sampling ratio)
SAMPLE22
(4:1:1[H:V = 2:2])
SAMPLE21
(4:2:2[H:V = 2:1])
SAMPLE11
(4:4:4[H:V = 1:1])
Color
Normal
Fairly clear
Clear
File size
Reference value (x1)
About x4/3
About x2
(5) Restart
Classification
Value
Explanation
Compression
0 to 65535
Set value of restart interval.
Value
Restart interval
Explanation
0
None
DRI header/RSTn marker is not inserted.
Other than 0 Provided
Inserts RSTn marker for each specified MCU.
Expansion
0 to 65535
Value of restart interval is automatically stored from JPEG file.
Analysis
Value
Restart interval
Explanation
0
None
DRI header/RSTn marker is not included.
Other than 0 Provided
RSTn marker is inserted for each specified
MCU.
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