Hi3531 H.264 Codec Processor
Data Sheet
Issue 01
Date 2012-08-30
HiSilicon Proprietary and Confidential
Copyright © HiSilicon Technologies Co., Ltd
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Hi3531 H.264 Codec Processor
Data Sheet About This Document
Issue 01 (2012-08-30)
HiSilicon Proprietary and Confidential
Copyright © HiSilicon Technologies Co., Ltd
1
About This Document
Purpose
This document describes the features, logical structures, functions, operating modes, and
related registers of each module of the Hi3531. This document also describes the interface
timings and related parameter in diagrams. In addition, this document details the pins, pin
usages, performance parameters, and package of the Hi3531.
Related Version
The following table lists the product version related to this document.
Product Name Version
Hi3531 H.264 Codec Processor V100
Intended Audience
This document is intended for:
z
Design and maintenance personnel for electronics
z
Sales personnel for electronic components
Conventions
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol Description
Indicates a hazard with a high level of risk which, if not
avoided, will result in death or serious injury.
About This Document
Hi3531 H.264 Codec Processor
Data Sheet
2
HiSilicon Proprietary and Confidential
Copyright © HiSilicon Technologies Co., Ltd
Issue 01 (2012-08-30)
Symbol Description
Indicates a hazard with a medium or low level of risk that, if
not avoided, could result in minor or moderate injury.
Indicates a potentially hazardous situation, which if not
avoided, could result in equipment damage, data loss,
performance degradation, or unexpected results.
Indicates a tip that may help you solve a problem or save
time.
Provides additional information to emphasize or supplement
important points of the main text.
General Conventions
The general conventions that may be found in this document are defined as follows.
Convention Description
Times New Roman Normal paragraphs are in Times New Roman.
Boldface
Names of files, directories, folders, and users are in
boldface. For example, log in as user root.
Italic Book titles are in italics.
Courier New
Examples of information displayed on the screen are in
Courier New.
Table Content Conventions
The table content conventions that may be found in this document are defined as follows.
Content Description
–
The cell is blank.
*
The content in this cell is configurable.
Notes
Register Attributes
The register attributes that may be found in this document are defined as follows.
Hi3531 H.264 Codec Processor
Data Sheet About This Document
Issue 01 (2012-08-30)
HiSilicon Proprietary and Confidential
Copyright © HiSilicon Technologies Co., Ltd
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Symbol Description Symbol Description
RO The register is read-only. RW The register is read/write.
RC The register is cleared on a read. WC
The register can be read.
The register is cleared when 1
is written.
The register keeps unchanged
when 0 is written.
Reset Value Conventions
In the register definition tables:
z
If the reset value (for the Reset row) of a bit is "?", the reset value is undefined.
z
If the reset values of one or multiple bits are "?", the total reset value of a register is
undefined and is marked as "-".
Numerical System
The expressions of data capacity, frequency, and data rate are described as follows.
Type Symbol Value
Data capacity (such as the
RAM capacity)
K 1024
M 1,048,576
G 1,073,741,824
Frequency, data rate
k 1000
M 1,000,000
G 1,000,000,000
The expressions of addresses and data are described as follows.
Symbol Example Description
0x 0xFE04, 0x18 Address or data in hexadecimal
0b 0b000, 0b00 00000000 Data or sequence in binary (register
description is excluded.)
X 00X, 1XX In data expression, X indicates 0 or 1.
For example, 00X indicates 000 or 001
and 1XX indicates 100, 101, 110, or 111.
