参数资料
型号: FTF1100MF1
厂商: INFINEON TECHNOLOGIES AG
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, XMA
文件页数: 9/39页
文件大小: 400K
代理商: FTF1100MF1
FingerTIP
Infineon Technologies
17/38
FTF 1100 MF1 V2.0 databook 3.3 (05.00)
3.8 Fingerprint Image Readout
The following figure 9 shows the block diagram for a readout of the sensor in EPP mode.
Figure 9: Block Diagram for Image Readout in EPP Mode
RESET
Set pixel pointer: (1,1)
Set
dynamics
high?
YES
NO
STOP
set sleep mode
store image
Read line
225 bytes
RESET
Set pixel pointer: (1,1)
Set dynamics to high
NO
YES
LineEndMark
OK?
NO
YES
Read
288 lines?
NO
YES
Read
new image?
Store image
Stop readout procedure if:
- Timeout on the EPP interface
(TRea > 10s)
- More than 3 times LineEndMark
Next Readout:
Dynamics will
be set to high
SENSOR:
Power-On Reset
Wait 300s
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