AT77C105ACB08V- datasheet(2/39 Pages) ATMEL

Part #	AT77C105ACB08V-

Description	FingerChip Thermal Fingerprint Sweep Sensor, Hardware Based Navigation and Click Functions, Extended I/O range(1.8-3.3V)

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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AT77C105A [Preliminary]

5419A–BIOM–01/05

Note:

The die attach is connected to pin 6 and must be grounded. The FPL pin must also be grounded.

Table 1. Pin Description for Chip-on-board Package: AT77C105A-CB08V

Pin Number

Name

Type

Description

1

Not connected

2

Not connected

3

Not connected

4

Not connected

5GNDD

G

Digital ground supply

6GNDA

G

Analog ground supply - connect to GNDD

7

VDDD

P

Digital power supply

8VDDA

P

Analog power supply - connect to VDD

9SCK

I

Serial Port Interface (SPI) clock

10

TESTA

IO

Reserved for the analog test, not connected

11

MOSI

I

Master-out slave-in data

12

VDD_IO

P

Input/output power supply - connect IO voltage compatibility accordingly

13

MISO

O

Master-in slave-out data

14

SCANEN

I

Reserved for the scan test in factory, must be grounded

15

SSS

I

Slow SPI slave select (active low

16

IRQ

O

Interrupt line to host (active low). Digital test pin

17

FSS

I

Fast SPI slave select (active low)

18

RST

I

Reset and sleep mode control (active high)

19

FPL

I

Front plane, must be grounded

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AT77C105ACB08V- Datasheet(PDF) 2 Page - ATMEL Corporation

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