ALOHA CMOS成像仪

2004 IEEE International Symposium on Circuits and Systems (IEEE Cat. No.04CH37512) Pub Date : 2004-05-23 DOI:10.1109/ISCAS.2004.1329164

Eugenio Culurciello, Andreas G. Andreou

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引用次数: 14

摘要

我们报道了一个32/spl倍/32像素的CMOS成像仪，其数字像素输出以0.6 /spl μ m的CMOS工艺制造。成像仪集成了一个嵌入式ALOHA MAC接口，用于能量感知传感器网络应用中不受约束的自定时像素读出。使用模拟争用检测器监视输出上的冲突。该成像仪具有前所未有的单个像素动态范围为240 dB，阵列动态范围为180 dB。在典型的室外照明条件下，功耗为795 /spl mu/W，典型的像素平均事件率为10 K采样/s，帧率更新为4.88 K帧/s。

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ALOHA CMOS imager

We report on a A 32/spl times/32 pixel CMOS imager with a digital pixel output fabricated in a 0.6 /spl mu/m CMOS process. The imager incorporates an embedded ALOHA MAC interface for unfettered self-timed pixel read-out in energy aware sensor network applications. Collision on the output is monitored using an analog contention detector. The imager has an unprecedented dynamic range of 240 dB for an individual pixel with an array dynamic range of 180 dB. The power consumption is 795 /spl mu/W for typical outdoor illumination conditions with a typical pixel mean event rate of 10 K samples/s with frame rate updates of 4.88 K frames/s.

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来源期刊

2004 IEEE International Symposium on Circuits and Systems (IEEE Cat. No.04CH37512)

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