Rainbow Electronics AT77SM0101BCB02VKE - Manual (Page 6)

6
AT77SM0101BCB02VKE
5391A–BIOM–09/04
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.
Memory The AT77SM0101BCB02VKE biometric module features:
• 128 Mbits (16 Mbytes) of SDRAM on a 32-bit parallel data bus interface operating at
66 MHz
• 32 Mbits (4 Mbytes) of Atmel DataFlash on an SPI bus operating at 10 MHz
AT77C101B-CB02V Sensor The sensor has the following characteristics:
• A sensitive layer over a 0.8 µm CMOS array
• An image zone of 0.4 × 14 mm, equalling 0.02 in. × 0.55 in.
• An image array of 8 × 280, equalling 2240 pixels
• A pixel pitch of 50 µm × 50 µm, equalling 500 dots-per-inch resolution
• A pixel clock of up to 2 MHz with a capacity of up to 1780 frames per second
• A die size of 1.7 × 17.3 mm
• An operating voltage range of 3V to 5.5V
• A natural protection from electrostatic discharge (ESD) up to 16 kV of air discharge.
Use of metal casing or metalized plastic in the final application is strongly
recommended
• A power consumption of 20 mW at 3.3V, 1 MHz, 25°C
• An operating temperature range of -40°C to +85°C
• A strong resistance to abrasion with the capability to withstand over 1 million finger
sweeps
• A sweep speed ranging from 2 cm/s to 20 cm/s
• A low power consumption of 6 mA typical in acquisition mode and 10 µA in standby
mode