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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)： | 4/39頁 |
| 文件大?。?/td> | 400K |
| 代理商： | FTF1100MF1 |
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FingerTIP
Infineon Technologies
12/38
FTF 1100 MF1 V2.0 databook 3.3 (05.00)
2.5 Sleep Mode
The FingerTIP offers a power saving mode called sleep mode. In this mode the power
consumption of the sensor is reduced to about 10% of the power consumption in readout
mode (chapter 5.1, table 13). The life time of the sensor will be extended if it is switched to
this mode (see section 2.1). Therefore it is recommended to switch the sensor to sleep
mode whenever no readout of an image is necessary. When the sensor is switched back
to readout mode, a new fingerprint can be acquired immediately. Section 3.7 (for EPP) and
section 4.4 (for SPI) explain how to switch the sensor to sleep mode.
2.6 Selecting EPP 1.9 or SPI Mode
The EPP/SPI input pin of the FingerTIP is used for selecting the EPP 1.9 or SPI mode.
Before power-on, the EPP/SPI pin must be set to GND to select SPI mode. Accordingly,
the EPP/SPI pin must be set to VCC to select EPP 1.9 mode by using a pull-up resistor.
The mode can not be changed after power-on. Therefore the logic level of this input must
not be changed over the time of power on.
2.7 Switch-on Sequence of the FingerTIP
The FingerTIP has a built-in power-on reset. Therefore no external reset signal is
needed for a sensor reset. The RESET pin of the FingerTIP is only active in EPP mode
and is needed for resetting the pixel pointer of the sensor cell field to pixel position (1,1)
and for changing the dynamics.
2.8 Defect Rate
Usually all biometric software including our FingerTIP Software Package can handle line
and column defects of captured fingerprints. Up to three line or column defects and up to
50 single pixel defects are allowed in the cell field of the FingerTIP.
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相關代理商/技術參數(shù) |
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| FTF1100MF1V2.0 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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