Automotive grade hexa-core processor for infotainment system
Overview
Allwinner T7 ARM Cortex A7 hexa-core processor is aimed at automotive infotainment market and is AEC-Q100 compliant. The system has integrated dual image processing, multiple interfaces, and a dedicated ADAS acceleration engine for processing various driver assist features. Allwinner T7 can be used as a multimedia/entertainment panel, electronic instrument panel, car navigation display, or customised by users depending on their preference.
Highlights
Certified to AEC-Q100 standards, guaranteeing reliability and robustness for automotive electronics
6 core ARM Cortex A7 for CPU, excellent processing performance and display with Mali 400 MP4 for GPU
Wide range of 32-bit DRAM types and dynamic frequency scaling for improved performance and power consumption
Multiple camera interfaces that support up to 8 high-definition cameras
Integrated ADAS acceleration engine improves the efficiency of processing ADAS algorithms while reducing the load on CPU
Integrated dual image processor can optimise and display 360° video content from a 360° enabled DVR
Block diagram
Specifications
CPU
Hexa-core ARM Cortex™-A7 processor
GPU
Mali 400 MP4
Memory
Support DDR2/DDR3/DDR3L/LPDDR2/LPDDR3 up to 3GB
Support eMMC, SD card, NAND flash, SPI NOR flash, and SPI NAND flash
Video
Support video decoding up to 1080p@60fps with MPEG1/MPEG2/ MPEG4/H.263 /H.264/H.265/VP6/VP8/AVS/AVS + multi-formats
Support H.265 MP video encoding up to 1080p@60fps
Support H.264 MP video encoding up to 1080p@60fps
Support input titled (128x32)/YU12/YV12/NU12/NV12/ARGB/YUYV multi-formats
Support Alpha blending
Support Thumb generation
Support 4x2 scaling ratio from 1/16 to 64 arbitrary non-integer ratio
Audio
Two audio digital-to-analog (DAC) channels
Three audio analog-to-digital (ADC) channels
Four audio inputs
Two audio analog outputs
Display
Support four lanes MIPI DSI up to 1920 x 1200 @60fps
Support LVDS interface up to 1920 x 1200 @60fps
Support 18-bit RGB interface up to 1366 x 768 @60fps
Support 1-ch TV CVBS output
Camera
Support two individual CSI interface with 16 bit data width each
Support four channel CVBS input or one channel YPbPr and one channel CVBS
Support two individual MIPI CSI camera control interface
Support two built-in image processors with HDR, 3D de-noise, and sharpening algorithm
EVE (ADAS)
Detection speed: 30fps (VGA)
Support four channel integral image, able to process 130 million features per second
Support up to three channel feature calculation
External peripheral
USB x 4 with USB OTG x 1 and USB host x 3
UART x 10/SPI x 3/TS x 1/TWI x 10/EMAC x 1/RSB x 1/CIR x 1
Package
PBGA 547 balls, 21 x 21 mm, 0.8 ball pitch
Application diagram
Product diagram
1. HD 360° navigation display
2. Parking monitor
3. SD 360° and DVR navigation display
4. HD AVM box