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AT77C105A 参数 Datasheet PDF下载

AT77C105A图片预览
型号: AT77C105A
PDF下载: 下载PDF文件 查看货源
内容描述: 的FingerChip热指纹扫描传感器,基于硬件的导航和点击功能,扩展I / O范围( 1.8-3.3V ) [FingerChip Thermal Fingerprint Sweep Sensor, Hardware Based Navigation and Click Functions, Extended I/O range(1.8-3.3V)]
分类和应用: 传感器
文件页数/大小: 39 页 / 451 K
品牌: ATMEL [ ATMEL ]
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Sensor and Block Diagram  
Figure 7. Functional Block Diagram  
FPL  
VDDA  
GNDA  
VDDD  
GNDD  
RST  
VDD_IO  
FSS  
SCK  
Fast Serial  
Interface  
SPI  
Acquisition  
(8-16 MHz)  
Pixel Array  
(232 x 8)  
Array  
CTRL  
Navigation  
Algorithms  
MISO  
Slow Serial  
Interface  
SPI  
(200 kHz)  
+
Oscillator (420 kHz)  
MOSI  
SSS  
Click  
Algorithm  
Click  
CTRL  
Click Pixels  
(12)  
Control  
Register  
IRQ  
Watchdog  
Heating  
SCANEN  
TESTA  
Test  
The circuit is divided into the following main sections:  
An array or frame of 8 × 232 pixels + 1 dummy column  
An analog to digital converter  
An on-chip oscillator  
Control and status registers  
Navigation and click units  
Slow and fast serial interfaces  
12  
AT77C105A [Preliminary]  
5419A–BIOM–01/05  
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