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: 22/39页
文件大小: 400K
代理商: FTF1100MF1
FingerTIP
Infineon Technologies
29/38
FTF 1100 MF1 V2.0 databook 3.3 (05.00)
4.5 Fingerprint Image Readout
The following figure 16 shows the block diagram for readout of the sensor in SPI mode.
Figure 16: Block Diagram for Readout of the Image in SPI Mode
Command: Set Mode
(Setting the dynamics)
STOP
set sleep mode
store image
NO
YES
Status
image data
valid?
NO
YES
Read
new image?
Store image
Stop readout procedure if:
- timeout: Status image data valid
(more than 100 loops)
- more than 3 times LineEndMark
Command: Reset Pointer
Command: Read Status
Command: Read Data
NO
YES
LineEndMark
OK?
NO
YES
Read
288 lines?
SENSOR: Power-On Reset
Read line (225 bytes)
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