Title :
A CMOS integrated capacitive fingerprint sensor with 32b microcontroller
Author :
Jung, Seung-Min ; Nam, Jin-Moon ; Yang, Dong-Hoon ; Lee, Moon-Key
Author_Institution :
Yonsei Univ., Seoul, South Korea
Abstract :
The ASIC implementation of a capacitive fingerprint sensor SoC has an embedded 32 b RISC microcontroller. The SoC also comprises a 160×192 array of cells with a sensor-detecting circuit. The test chip is fabricated in a 0.35 μm 4M1P CMOS process with a die size of 12 mm×12.7 mm.
Keywords :
CMOS image sensors; capacitive sensors; fingerprint identification; image processing equipment; integrated circuit testing; microcontrollers; reduced instruction set computing; system-on-chip; 12 mm; 12.7 mm; 32 bit; ASIC implementation; CMOS integrated capacitive fingerprint sensor; CMOS process; capacitive fingerprint sensor SoC; die size; embedded RISC microcontroller; microcontroller; sensor-detecting circuit; test chip; Authentication; Capacitive sensors; Circuit testing; Fingerprint recognition; Image matching; MOSFETs; Microcontrollers; Parasitic capacitance; Reduced instruction set computing; Voltage;
Conference_Titel :
Solid-State Circuits Conference, 2005. Digest of Technical Papers. ISSCC. 2005 IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-8904-2
DOI :
10.1109/ISSCC.2005.1493964
