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參數(shù)資料
| 型號： | FTF1100MF1 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, XMA |
| 文件頁數(shù)： | 3/39頁 |
| 文件大小： | 400K |
| 代理商： | FTF1100MF1 |
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FingerTIP
Infineon Technologies
11/38
FTF 1100 MF1 V2.0 databook 3.3 (05.00)
Figure 5: Pixel Position on the FingerTIP
2.4 Fingerprint Image Readout
The fingerprint image consists of 288 x 224 pixels. Each pixel is represented by an 8-bit
value. Figure 5 shows the position of pixel (1,1) and the definition of lines and columns in
the sensor field. When the readout is started (see chapter 3 and 4 for details), the image is
transferred line by line starting with the first line. Each line is read out byte by byte (a pixel
is represented by one byte) starting with pixel 1. An extra byte with the value 00h is added
to each line, signaling the end of the line. This byte is called LineEndMark. Once the whole
image is read out, the FingerTIP continuously outputs a sequence of 225 bytes (224 x
FFh and 1 x 00h). The complete procedure for resetting the pixel pointer and reading out
the image is explained in chapters 3 and 4.
It is recommended to check the LineEndMark after every line read. Chapters 3 and 4 gives
some hints for a failure analysis.
PCB
(Pixel Pointer
reset position)
1. pixel of 1. line
1. pixel of 288. line
224. pixel of 1. line
Sensor cell array
288 line x 224 columns
line
column
1. column
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相關(guān)代理商/技術(shù)參數(shù) |
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| FTF1100MF1V2.0 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| FTF3020-C/HG | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Full Frame CCD Image Sensor |
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