Generel Characteristics:
|
Designer![Company which designed the semiconductor component Company which designed the semiconductor component](icons/10x10/info_gray.gif) |
Allwinner |
Type: |
A31 |
Year Released: |
2013 |
Function |
Multi-core Application Processor |
Architecture:
|
Width of Machine Word![Maximum bitwidth of ALU operands. Width of machine word can also be defined in different ways (register width, instruction width, etc.) in case of recent microprocessors. Maximum bitwidth of ALU operands. Width of machine word can also be defined in different ways (register width, instruction width, etc.) in case of recent microprocessors.](icons/10x10/info_gray.gif) |
32 bit |
Supported Instruction Set(s): |
ARMv7 |
Number of processor core(s): |
4 |
Type of processor core(s)![Type and allocation of processor core(s) Type and allocation of processor core(s)](icons/10x10/info_gray.gif) |
4x ARM Cortex-A7 MPcore |
Buses:
|
Memory Interface(s): |
mobile (LP) DDR SDRAM
, mobile (LP) DDR2 SDRAM
, DDR3L (LV) SDRAM
, mobile (LP) DDR3 SDRAM |
Max. Clock Frequency of Memory IF![Clock frequency of fastest supported memory interface Clock frequency of fastest supported memory interface](icons/10x10/info_gray.gif) |
533 MHz |
Data Bus Width![Maximum selectable bit width of primary data bus (RAM) of memory interface Maximum selectable bit width of primary data bus (RAM) of memory interface](icons/10x10/info_gray.gif) |
32 bit |
Number of data bus channels: |
2 ch |
Max. Data Rate![Maximal throughput of the fastest supported memory interface in 1000 megabyte per seconds units. Maximal throughput of the fastest supported memory interface in 1000 megabyte per seconds units.](icons/10x10/info_gray.gif) |
8.53 Gbyte/s |
Non-volatile Memory Interface |
NAND Flash Interface |
DMA Channels![DMA (Direct Memory Access) allows direct data transfer between operative memory (RAM) and peripherals (hard disk, non-volatile storage, etc.) bypassing processor core. Multiple DMA channels allows parallel DMA operations. DMA (Direct Memory Access) allows direct data transfer between operative memory (RAM) and peripherals (hard disk, non-volatile storage, etc.) bypassing processor core. Multiple DMA channels allows parallel DMA operations.](icons/10x10/info_gray.gif) |
16 ch |
Clock Frequencies:
|
Recommended Maximum Clock Frequency: |
N/A |
Cache Memories:
|
L1 Instruction Cache per Core![Capacity of level 1 instruction cache per processor core Capacity of level 1 instruction cache per processor core](icons/10x10/info_gray.gif) |
32 Kbyte I-Cache |
L1 Data Cache per Core![Capacity of level 1 data cache per processor core Capacity of level 1 data cache per processor core](icons/10x10/info_gray.gif) |
32 Kbyte D-Cache |
Total L2 Cache![Capacity of level 2 cache shared between processor core(s) Capacity of level 2 cache shared between processor core(s)](icons/10x10/info_gray.gif) |
1024 Kbyte L2 |
Technology and Packaging:
|
Feature Size![The minimum physical dimension in the integrated circuit which can be fabricated with the given semiconductor technology The minimum physical dimension in the integrated circuit which can be fabricated with the given semiconductor technology](icons/10x10/info_gray.gif) |
40 nm |
Semiconductor Technology: |
CMOS![Complementary Metal-oxide - Semiconductor Field Effect Transistor Complementary Metal-oxide - Semiconductor Field Effect Transistor](icons/10x10/info_gray.gif) |
Pins![Number of pins on the package Number of pins on the package](icons/10x10/info_gray.gif) |
609 pins |
Graphical Subsystem:
|
Embedded GPU![Manufactuer (or IP designer) and type of embedded graphics coprocessor(s). Manufactuer (or IP designer) and type of embedded graphics coprocessor(s).](icons/10x10/info_gray.gif) |
IMG PowerVR SGX544 GPU |
Number of GPU cores: |
2-core GPU |
GPU Clock: |
355 MHz GPU |
Cellular Communication:
|
Supported Cellular Data Links |
No |
Communication Interfaces:
|
Supported USB Specification: |
No |
Bluetooth support |
No |
Wireless LAN support |
No |
Supported Audio/Video Interface: |
No |
Satellite Navigation:
|
Supported GPS protocol(s): |
No |
Additional Information:
|
Special Features: quad ARM Cortex-A7 Harvard Superscalar processor core, 32 + 32 Kbyte L1 cache per core, 32-bit dual-channel LP-DDR / 32-bit 1066 Mbps LP-DDR2 / LP-DDR3 / DDR3L memory interface, dual-channel NAND FLASH Controller, 16 channel DMA, 355 MHz PowerVR Series5XT SGX544MP2 GPU, ARM Jazelle, ARM TrustZone, OpenGL ES 2.0, OpenCL1.x, DirectX 9.3, 1080p display support, UHD (4K) video decode, 1080p video encode, HDMI 1.4 1080p 60fps, Integrated HI-FI 100dB Audio Codec, ISP, 12 MP camera support, USB 2.0 OTG, USB host, Android 4.2 support, Windows 8 support |
Datasheet Attributes:
|
Data Integrity |
Preliminary |
Added![The exact time of the datasheet addition The exact time of the datasheet addition](icons/10x10/info_gray.gif) |
2013-04-14 23:28 |