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5391A–BIOM–09/04

Features

• Module Size: 55 x 72 mm (Smaller than Smart Card)

• Microcontroller: Atmel ARM9

-based AT91RM9200

• SDRAM: 128 Mbits

• Flash: Atmel DataFlash

32 Mbits

• Fingerprint Sensor: Atmel FingerChip

AT77C101B-CB02V

• Operating Temperature Range: -30° C to +65° C

• Operating Voltage: 3.3V ±10%

• Power Consumption: 200 mA in Typical Conditions

• Operating System: Linux

(Kernel 2.4.19)

• Available interfaces on Extension Connector:

– Drivers Provided for SPI, Ethernet, Serial DBGU

– Drivers not Provided for USB Host and Device, TWI, RS-485, IrDA,

SmartCard, MMC/SD Card, SSC, RTC, JTAG…

• Software Suite with Embedded Pre-loaded Bio-engine

Description

This document describes the specifications of Atmel's AT77SM0101BCB02VKE Fin-

gerChip biometric module. Based on Atmel's FingerChip fingerprint sensor, ARM9

microcontroller and flash memory, the AT77SM0101BCB02VKE provides the main

biometric functions such as user enrollment, authentication and identification in a

packaged module, making it easy to integrate into a final system.

The AT77SM0101BCB02VKE is particularly well-suited to Physical Access Control,

Point of Sale devices, Time and Attendance or Vending Machines.

The AT77SM0101BCB02VKE provides great flexibility because of its memory capac-

ity and powerful microcontroller loaded with the Linux operating system, and features

many possible interfaces, including Ethernet. The AT77SM0101BCB02VKE biometric

module requires the purchase of the Evaluation/Development Kit

AT77SM0101BCB02VEK to develop the user interface of the final application.

Applications

• Physical Access Control

• Time and Attendance Systems

• Automated Teller Machines, Points of Sale

• Vending Machines

•Smart Homes

• Locks, Safes

• Reference Design for ARM9 and FingerChip Design Development

Figure 1. FingerChip Biometric Module AT77SM0101BCB02VKE

FingerChip

Biometric

Module

AT77SM0101BCB02VKE

Summary of content (15 pages)

PAGE 1
Features • • • • • • • • • • Module Size: 55 x 72 mm (Smaller than Smart Card) Microcontroller: Atmel ARM9®-based AT91RM9200 SDRAM: 128 Mbits Flash: Atmel DataFlash® 32 Mbits Fingerprint Sensor: Atmel FingerChip® AT77C101B-CB02V Operating Temperature Range: -30° C to +65° C Operating Voltage: 3.3V ±10% Power Consumption: 200 mA in Typical Conditions Operating System: Linux® (Kernel 2.4.
PAGE 2
Functional Description The AT77SM0101BCB02VKE is a biometric sub-system based on Atmel’s FingerChip fingerprint sensor. It comprises a fingerprint sensor connected to a board that embeds processing capabilities through an ARM9-based AT91RM9200 microprocessor, and memory to store the software and fingerprint templates. The biometric module must be connected to a motherboard for power supplies and interface connections.
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AT77SM0101BCB02VKE Technical Description Atmel’s FingerChip biometric module includes the AT77C101B-CB02V FingerChip sensor (8-bit parallel interface) connected through a flex cable to the module itself. Module Size and Length of Flex The board size of the module is 55 mm x 72 mm. It has three screw holes for easy fixing to the motherboard or casing of the final system. The flexible cable is 5 cm long. It is a single straight cable made of copper. Figure 3.
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Table 1.
PAGE 5
AT77SM0101BCB02VKE Table 2.
PAGE 6
Board’s Main Components ARM9-based AT91RM9200 Microcontroller The AT91RM9200 microcontroller features the following: • 200 MIPS capability • 16 KB data cache • 16 KB instruction cache • 16 KB SRAM • ROM boot • Ethernet MAC • USB 2.0 full-speed host and device • USART, DMA, TWI, SPI, SSC, MCI The ARM9 operates at 200 MHz on the module.
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AT77SM0101BCB02VKE Storage Capacity Figure 5. RAM Memory Mapping Used by Ramdisk 6 MB Kernel Code 16 MB RAM Used by Kernel Free 1.5 MB 4 MB 4.5 MB Figure 6.
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Two drivers are provided as modules that can be loaded or unloaded during runtime. These are: • The FingerChip driver: FingerChip_mod.o, version 2.0 enabling on-the-fly reconstruction of images • A GPIOs driver: Leds_mod.o, version 2.0, used to drive switches, LEDS etc. Environmental Specifications Operating Conditions Absolute Maximum Ratings* *NOTICE: Power Supply Voltage (VCC) ................................-0.3V to 4.6V Storage Temperature (Tstg) .............................
PAGE 9
AT77SM0101BCB02VKE Module Integration Mechanics The size of the board and the flex cable make integrating the standalone module into the final product simple and convenient. In addition, the module can be fixed to the main board or the casing using three screws. Fingerprint Sensor Atmel recommends fixing the sensor by inserting it into the casing’s groove.
PAGE 10
Electrical Integration The motherboard must at least provide power supplies and the required components in order to implement the desired interfaces. Atmel recommends using a linear power supply of 3.3V to power the standalone module. An example of a possible implementation is given in the Development Kit documentation (this kit can be ordered through your local Atmel distributor). Reading this documentation is strongly recommended to proceed with accurate programming of the board application.
PAGE 11
AT77SM0101BCB02VKE Evaluation and Development Kit Figure 8.
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Stack Schematics Figure 9.
PAGE 13
AT77SM0101BCB02VKE Packaging Mechanical Data Figure 10. Product Reference AT77C101B-CB02V All dimensions in mm 9.85 ± 0.3 5.2 max 4.1 ± 0.2 +0.04 14.35 -0.01 0.8 MAX 5.9 max 8.9 ± 0.5 FLEX OUTPUT 8.8 ± 0.2 2.9 ± 0.5 26.6 ± 0.3 +0.15 1.5 -0.23 (x 3) +0.08 R0.75 -0.12 (x 3) FLEX OUTPUT B 6.3 ± 0.1 +0.07 1.66 -0.01 B 1.78 ± 0.5 (x 2) 0.83 ± 0.11 1.9 ± 0.4 1.5 MAX 0.2 min 2.39 ± 0.5 1.25 ± 0.5 BB Section 4.1 ± 0.5 +0.33 0.75 -0.
PAGE 14
Ordering Information The standalone module is available in Europe through Atmel distributors. Two references are available for the module: • AT77SM0101BCB02VKE (includes IKENDI bio-engine license) • AT77SM0101BCB02VBS (includes Bioscrypt Inc. bio-engine license) The Development Kit (reference AT77SM0101BCB02VEK) is also available in Europe through Atmel’s distributors. Naming Convention Figure 11.
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Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel: (852) 2721-9778 Fax: (852) 2722-1369 Japan 9F, Tonetsu Shinkawa Bldg.