A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 808 / 812
Advanced Encryption
Standard
A specification for the encryption of electronic data
established by the U.S.National Institute of Standards and
Technology (NIST) in 2001
An adaptive system found in electronic devices that
automatically controls the gain of a signal: the average
output signal level is fed back to adjust the gain to an
appropriate level for a range of input signal levels.
A bus protocol introduced in Advanced Microcontroller Bus
Architecture version 2 published by ARM Ltd company
APB is designed for low bandwidth control accesses, which
has an address and data phase similar to AHB, but a much
reduced, low complexity signal list (for example no bursts).
A compression standard for digital audio and video
The CIR (Consumer IR) interface is used for remote control
through infra-red light
A type of hash function used to produce a checksum in
order to detect errors in data storage or transmission
The hardware block that interfaces with different image
sensor interfaces and provides a standard output that can
be used for subsequent image processing
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