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a10 user manual
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全志 a10 开发手册,allwinner a10 manual。cortex a8 1.2g,1080P,h264 encoder decoder。pythonboard
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For WITS Only
Allwinner Technology CO., Ltd. A10
A10 User Manual V1.20
Copyright © 2011-2012 Allwinner Technology. All Rights Reserved.
2012-04-09
A10 User Manual
V1.20
2012.4.9
For WITS Only
Allwinner Technology CO., Ltd. A10
A10 User Manual V1.20
Copyright © 2011-2012 Allwinner Technology. All Rights Reserved. 1
2012-04-09
Revision History
Version
Date
Section/ Page
Changes compared to previous issue
V1.00
2011-8-22
Initial version
V1.01
2011-11-17
Format changes
V1.10
2012-3-29
Audio Codec
Revise some description
V1.20
2012-4-9
USB
Revise some description
For WITS Only
Allwinner Technology CO., Ltd. A10
A10 User Manual V1.20
Copyright © 2011-2012 Allwinner Technology. All Rights Reserved. 2
2012-04-09
Technical Items
NO.
Abbreviation
Full Name
Description
1
ARM Cortex™-A8
ARM Cortex™-A8
A processor core designed by ARM Holdings
implementing the ARM v7 instruction set
architecture
2
Mali-400
Mali-400
A 2D/3D graphic processor unit designed by
ARM Holdings
3
SDRAM
Synchronous Dynamic Random
Access Memory
Dynamic random access memory (DRAM) that
is synchronized with the system bus
4
PWM
Pulse Width Modulator
A commonly used technique for controlling
power to inertial electrical devices, made
practical by modern electronic power switches
5
SPI
Serial Peripheral Interface
A synchronous serial data link standard named
by Motorola that operates in full duplex mode.
Devices communicate in master/slave mode
where the master device initiates the data frame
6
UART
Universal Asynchronous
Receiver/Transmitter
Used for serial communication with a
peripheral, modem (data carrier equipment,
DCE) or data set
7
DMA
Dynamic-Memory-Allocation
The allocation of memory storage for use in
a computer program during the run-time of
that program
8
I2S
IIS
An electrical serial bus interface standard used
for connecting digital audio devices together
9
PCM
Pulse Code Modulation
Method used to digitally represent sampled
analog signals
10
AC97
Audio Codec 97
Intel Corporation's Audio Codec standard
developed by the Intel Architecture Labs in
1997, and used mainly in motherboards,
modems, and sound cards.
11
Audio Codec
Audio Codec
A computer program implementing an
algorithm that compresses and decompresses
digital audio data according to a given audio file
format or streaming media audio format.
12
SD
Security Digital3.0
A non-volatile memory card format developed
by the SD Card Association for use in portable
devices.
USB On-The-Go
Dual-role controller, which supports both Host
For WITS Only
Allwinner Technology CO., Ltd. A10
A10 User Manual V1.20
Copyright © 2011-2012 Allwinner Technology. All Rights Reserved. 3
2012-04-09
13
USB OTG
and device functions and is full compliant with
the On-The-Go Supplement to the USB 2.0
Specification, Revision 1.0a
14
EHCI
Enhanced Host Controller
Interface
A high-speed controller standard that is publicly
specified
15
LRADC
Low Resolution Analog to
Digital Converter
A module which can transfer analog signal to
digital signal
16
TP
Touch Panel Controller
A Human-Machine Interactive Interface
17
TS
Transport Stream
A data stream defined by ISO13818-1, which
consists of one or more programs with video
and audio data.
18
CAN
Controller–area network
A vehicle bus standard designed to allow
microcontrollers and devices to communicate
with each other within a vehicle without a host
computer
19
PATA
Parallel Advanced Technology
Attachment
An old computer bus interface for connecting
hard disk drivers, optical drivers, and compact
flash card
20
SATA
Serial Advanced Technology
Attachment
A computer bus interface for connecting host
bus adapters to mass storage devices such as
hard disk drives and optical drives.
21
CSI
Camera Sensor Interface
The hardware block that interfaces with
different image sensor interfaces and provides a
standard output that can be used for subsequent
image processing.
22
HDMI
High-Definition Multimedia
Interface
A compact audio/video interface for
transmitting uncompressed digital data
For WITS Only
Allwinner Technology CO., Ltd. A10
A10 User Manual V1.20
Copyright © 2011-2012 Allwinner Technology. All Rights Reserved. 4
2012-04-09
Table of Contents
Revision History ............................................................................................................................................... 1
Technical Items ................................................................................................................................................. 2
1. Introduction ............................................................................................................................................ 24
1.1. Feature .............................................................................................................................................. 24
1.1.1. CPU .......................................................................................................................................... 24
1.1.2. GPU .......................................................................................................................................... 25
1.1.3. VPU .......................................................................................................................................... 25
1.1.4. Display Processing Ability ....................................................................................................... 25
1.1.5. Display Output Ability ............................................................................................................. 25
1.1.6. Image Input Ability .................................................................................................................. 26
1.1.7. Memory .................................................................................................................................... 26
1.1.8. Peripheral ................................................................................................................................. 26
1.1.9. System ...................................................................................................................................... 27
1.1.10. Security .................................................................................................................................... 27
1.1.11. Package .................................................................................................................................... 27
2. Pin Description ....................................................................................................................................... 27
2.1. Pin Placement Table ......................................................................................................................... 27
2.2. Pin Detail Description ...................................................................................................................... 27
3. Architecture ............................................................................................................................................ 28
3.1. General Block Diagram.................................................................................................................... 28
3.2. Memory Mapping ............................................................................................................................ 29
4. Boot Mode ............................................................................................................................................... 32
4.1. Overview .......................................................................................................................................... 32
4.2. Boot Diagram ................................................................................................................................... 33
5. System Mode ........................................................................................................................................... 34
5.1. Overview .......................................................................................................................................... 34
6. Clock Control Module ........................................................................................................................... 35
6.1. Overview .......................................................................................................................................... 35
6.2. Clock Tree Diagram ......................................................................................................................... 35
6.3. CCM Register List ........................................................................................................................... 35
6.4. CCM Register Description ............................................................................................................... 37
6.4.1. PLL1-Core(Default: 0x21005000) ........................................................................................... 37
6.4.2. PLL2-Audio (Default: 0x08100010) ........................................................................................ 38
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