H
ardware Developer’s Manual
6
© 2021 Iritech, Inc. All rights reserved.
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Environmental
o
-20°C to +60°C Storage
o
0°C to +50°C Operating
•
Camera Description
Image Resolution:
Output is ISO Standard of 640 x 480 pixels
(Optional: Higher Resolution output is available)
Sensor Resolution:
VGA
Pixel Density:
Normally greater than 210 pixels across iris diameter
Focal Distance:
4.7 cm ~ 5.3 cm (1.8 ~ 2.1 in) from the front of the top of
camera module (Focal Depth: 0.6 cm).
Optimal Distance:
5 cm (2 in) from the front of the top of camera
module
Field of View (FOV):
About 3.3 x 2.4 cm at 5 cm (1.3 x 0.9 in at 2 in)
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Memory
o
64 MB NAND Flash Memory
o
128 MB Mobile DDR SDRAM
•
External Connection
o
UART, RS-232
•
Compliance
o
Eye safety (IEC 62471:2006-07)
(TBD)
o
RoHS
(TBD)
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Memory Warranty
Iris images will be stored inside the memory of device. This memory is warranted for storing
and deleting up to 100,000 cycles. Therefore, if the count of stored/deleted images exceed
100,000 cycles, the device will be out of warranty.
Program, erase endurance cycles
Parameters
Min
Unit
Program/erase cycles per block
100,000
Cycles
