Biometrics (Fingerprint Sensor) - Atmel - Page 2

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Table 2-1. Pin Description for Chip-on-Board Package: AT77C102B-CB01YV


	Pin Number	Name	Type
	1	GND	GND
	2	AVE	Analog output
	3	AVO	Analog output
	4	TPP	Power
	5	TPE	Digital input
	6	VCC	Power
	7	GND	GND
	8	RST	Digital input
	9	PCLK	Digital input
	10	OE	Digital input
	11	ACKN	Digital output
	12	De0	Digital output
	13	Do0	Digital output
	14	De1	Digital output
	15	Do1	Digital output
	16	De2	Digital output
	17	Do2	Digital output
	18	De3	Digital output
	19	Do3	Digital output
	20	FPL	GND
	21	GND	GND

The die attach is connected to pins 1, 7 and 21, and must be grounded. The FPL pin must be grounded.


	GND	¹	,=.	c
	AVE		¹ ¹
	AVO	3	1-1
	TPP	4	1-1
	TPE	5	1-1
	VCC	6	1-1
	GND	7	1-1
	RST	CO	1-1
	PCLK	9	1-1
	OE	10	1-1
	ACKN	11	1-1
	De0	12	1-1
	Do0	13	1-1
	Del	14	1-1
	Do1	15	1-1
	De2	16	1-1
	Do2	17	1-1
	De3	18	1-1
	Do3	19	1-1
	FPL	20	1=1
	GND	21
			n

at77c102b

5364C-BIOM-3/07

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