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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)： | 10/39頁 |
| 文件大?。?/td> | 400K |
| 代理商： | FTF1100MF1 |
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FingerTIP
Infineon Technologies
18/38
FTF 1100 MF1 V2.0 databook 3.3 (05.00)
Once the sensor has completed its power-on reset (see table 4), the readout of the
fingerprint image can be started. Before the first byte is read, the pixel pointer must be set
to position (1,1) (see figure 7 ). This is done by a reset impulse (low active) with TRst length
(see table 4). With a second reset the sensor can be set into high dynamics mode (see
section 3.6). Then the first byte of the image can be read out. 225 EPP read cycles are
needed for reading a complete line. The 225
th byte of each line is the LineEndMark and
must be 00h. Interference such as ESD air discharge and alike can force double clocking
on the sensor under special conditions and the LineEndMark may not be 00h. Usually this
kind of interference is singular and temporary. Therefore it is recommended to start
reading a new image. Note that the dynamics is now high because the image was not read
out completely (see section 3.6). After 64800 (225 x 288) EPP read cycles the whole
image is read out.
If more than three readouts have failed because of LineEndMark error, the read out should
be stopped in order to analyze the error. It is also recommended to check for timeout
errors of the EPP port. If TEL > 10s the readout should be stopped and the error should
be analyzed. For more information and error handling please see the Design-In Guideline
/2/.
Once the image readout is finished and the sensor is not needed for the moment, the
sensor should be set to sleep mode.
3.9 Pinout of the FingerTIP in EPP Mode
In figure 10, the pinout of the FingerTIP module is shown. Table 5 shows the pin
names, the pin direction and gives a short description of the pins.
Some of the pins are multi-functional pins, depending on the selected interface mode –
EPP or SPI. Chapter 5 gives a complete overview of the pins for EPP and SPI mode. The
pad characteristics are also shown in chapter 5.
Figure 10: Pinout of the FingerTIP Module
1
21
Module
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FTF1100MF1V2.0 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| FTF1100MF1V2.1 | 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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