Olaf72 То есть, есть кренделя, которые ставят экран от таба? Хотелось бы увидеть фото. Сумрачные гении не дремлют
ГПС свисток стоит около 20-25 долларов, и все я так и не пойму зачем ГПС в планшете. Для этого есть навигатор, стоит сущие копейки нонче.
Конешна есть, Самсунг например
Если говорить обобщенно Samsung Cortex A8 это SoC - System on Chip
и ему абсолютно фиолетово с каким разрешением ему экран упихали.
Чтобы не быть голословным я буду цитировать спецификацию
подчеркивая синеньким наиболее пикантные места
и с болью в сердце выкидывая то что не относится к делу сейчас:
и
комментируя зелененьким1.1 ARCHITECTURAL OVERVIEW S5PV210 is a 32-bit RISC cost-effective, low power, and high performance microprocessor solution for mobile
phones and general applications. It integrates the ARM Cortex-A8 core, which implements the ARM architecture
V7-A with supporting peripherals.
To provide optimized Hardware (H/W) performance for the
3G and 3.5G communication services, S5PV210
было вроде много вопросов по поддержке 3G adopts 64-bit internal bus architecture. This includes many powerful hardware accelerators for tasks such as
motion video processing, display control, and scaling. Integrated Multi Format Codec (MFC) supports encoding
and decoding of
MPEG-1/2/4, H.263, and H.264, and decoding of VC1 and Divx. This
hardware acceleratorАппаратно декодируем видео (MFC) supports real-time video conferencing and Analog TV out, HDMI for NTSC, and PAL mode.
S5PV210 has an interface to external memory that is capable of sustaining heavy memory bandwidths required in
high-end communication services. The memory system has Flash/ ROM external memory ports for parallel access
and DRAM port to meet high bandwidths. DRAM controller supports LPDDR1 (mobile DDR), DDR2, or LPDDR2.
Flash/ ROM port supports NAND Flash, NOR-Flash, OneNAND, SRAM, and ROM type external memory.
To reduce the total system cost and enhance the overall functionality, S5PV210 includes many hardware
peripherals such as TFT 24-bit true color LCD controller, Camera Interface, MIPI DSI, CSI-2, System Manager for
power management, ATA interface, four UARTs, 24-channel DMA, four Timers, General I/O Ports, three I2S,
S/PDIF, three IIC-BUS interface, two HS-SPI, USB Host 2.0, USB 2.0 OTG operating at high speed (480Mbps),
four SD Host and high-speed Multimedia Card Interface, and four PLLs for clock generation.
Package on Package (POP) option with MCP is available for small form factor applications.
1.3 KEY FEATURES OF S5PV210 The key features of S5PV210 include:
ARM CortexTM-A8 based CPU Subsystem with NEON
32/ 32 KB I/D Cache, 512 KB L2 Cache
Operating frequency up to 800 MHz at 1.1V, 1 GHz at 1.2Vпохоже мы можем опускать частоту до 800 и подымать по крайней мере до 1.2 GHz без риска (я не попутал с 1.2V!, есть планшеты на кортексе с такой частотой! ) 64-bit Multi-layer bus architecture
MSYS domain for ARM CortexTM-A8, 3D engine, Multi Format Codec and Interrupt Controller
Operating frequency up to 200 MHz at 1.1V
DSYS domain mainly for Display IPs (such as LCD controller, Camera interface, and TVout), and MDMA
Operating frequency up to 166 MHz at 1.1V
PSYS domain mainly for other system component such as system peripherals, external memory interface,
peri DMAs, connectivity IPs, and Audio interfaces.
По сути это много процессорная/доменная система где каждая часть отвечает за что то на не возложенное Operating frequency up to 133 MHz at 1.1V
Audio domain for low power audio play
Advanced power management for mobile applications
64 KB ROM for secure booting and 128 KB RAM for security function
8-bit ITU 601/656 Camera Interface supports horizontal size up to 4224 pixels for scaled and 8192 pixels for
un-scaled resolutionВо это как раз про камеру 4224*8192=34603008 Multi Format Codec provides encoding and decoding of MPEG-4/H.263/H.264 up to 1080p@30fps and
decoding of MPEG-2/VC1/Divx video up to 1080p@30 fps
JPEG codec supports up to 80 Mpixels/s
3D Graphics Acceleration with Programmable Shader up to 20M triangles/s and 1000 Mpixels/sВот здесь про игрушки 2D Graphics Acceleration up to 160Mpixels/s
1/ 2/ 4/ 8 bpp Palletized or 8/ 16/ 24 bpp Non-Palletized Color TFT recommend up to XGA resolution
TV-out and HDMI interface support for NTSC and PAL mode with image enhancer
MIPI-DSI and MIPI-CSI interface support
One AC-97 audio codec interface and 3-channel PCM serial audio interface
Three 24-bit I2S interface support
One TX only S/PDIF interface support for digital audio Three I2C interface support
Two SPI support
Four UART supports three Mbps ports for Bluetooth 2.0Значит где то там внутри уже есть шина для BT On-chip USB 2.0 OTG supports high-speed (480 Mbps, on-chip transceiver)
On-chip USB 2.0 Host support
Asynchronous Modem Interface support
Four SD/ SDIO/ HS-MMC interface support ATA/ ATAPI-6 standard interface support
24-channel DMA controller (8 channels for Memory-to-memory DMA, 16 channels for Peripheral DMA)
Supports 14x8 key matrix
10-channel 12-bit multiplexed ADC
Configurable GPIOs
Real time clock, PLL, timer with PWM and watch dog timer
System timer support for accurate tick time in power down mode (except sleep mode)
Memory Subsystem
Asynchronous SRAM/ ROM/ NOR Interface with x8 or x16 data bus
NAND Interface with x8 data bus
Muxed/ Demuxed OneNAND Interface with x16 data bus
LPDDR1 Interface with x16 or x32 data bus (266~400 Mbps/ pin DDR)
DDR2 interface with x16 or x32 data bus (400 Mbps/ pin DDR)
LPDDR2 interface (400 Mbps/ pin DDR)
1.3.1 MICROPROCESSOR The key features of this microprocessor include:
The ARM CortexTM-A8 processor is the first application processor based on ARMv7 architecture.
With the ability to scale in speed from 600 MHz to 1 GHz (or more), the ARM CortexTM-A8 processor meets
the requirements of power-optimized mobile devices, which require operation in
less than 300mW; and
performance-optimized consumer applications require 2000 Dhrystone MIPS.
...
1.3.2 MEMORY SUBSYSTEM ...
1.3.3 MULTIMEDIA The key features of multimedia include:
Camera Interface
Multiple input support
o ITU-R BT 601/656 mode
o DMA (AXI 64-bit interface) mode
o MIPI (CSI) mode
Multiple output support
o DMA (AXI 64-bit interface) mode
o Direct FIFO mode
Digital Zoom In (DZI) capability
Multiple camera input supportЗначит можно таки повесить несколько камер Programmable polarity of video sync signals
Input horizontal size support up to 4224 pixels for scaled and 8192 pixels for un-scaled resolution
Image mirror and rotation (X-axis mirror, Y-axis mirror, 90, 180, and 270 rotation)
Various image formats generation
Capture frame control support
Image effect support
Multi-Format video Codec (MFC)
ITU-T H.264, ISO/IEC 14496-10
o Decoding supports Baseline/ Main/ High Profile Level 4.0 (except Flexible Macro-block Ordering
(FMO), Arbitrary Slice Ordering (ASO) and Redundant Slice (RS))
o Encoding supports Baseline/ Main/ High Profile (except FMO, ASO, and RS)
ITU-T H.263 Profile level 3
o Decoding supports Profile3, restricted up to SD resolution 30 fps (H.263 Annexes to be supported)
- Annex I: Advanced Intra Coding
- Annex J: De-blocking (in-loop) filter
- Annex K: Slice Structured Mode without FMO & ASO
- Annex T: Modified Quantization
- Annex D: Unrestricted Motion Vector Mode
- Annex F: Advanced Prediction Mode except overlapped motion compensation for luminance
o Encoding supports Baseline Profile (supports customer size up to
1920x1088)
ISO/IEC 14496-2 MPEG-4 and DivX
o Decoding supports MPEG-4 Simple/ Advanced Simple Profile Level5
o Decoding supports DivX Home Theater Profile (version 3.xx, 4.xx, 5.xx, and 6.1), Xvid
Encoding supports MPEG-4 Simple/ Advanced Simple Profile
ISO/IEC 13818-2 MPEG-2
o Decoding supports Main Profile High level
o Decoding supports MPEG-1 except D-picture
SMPTE 421M VC-1
o Decoding supports Simple Profile Medium Level/ Main Profile High Level/ Advanced Profile Level4
JPEG Codec
Supports
Compression/ decompression up to 65536x65536 Supported format of compression
o Input raw image: YCbCr4:2:2 or RGB565
o Output JPEG file: Baseline JPEG of YCbCr4:2:2 or YCbCr4:2:0
Supported format of decompression (Refer to Chapter 9.13. JPEG)
o Input JPEG file: Baseline JPEG of YCbCr4:4:4, YCbCr4:2:2, YCbCr4:2:0, or gray
o Output raw image: YCbCr4:2:2 or YCbCr4:2:0
Supports general-purpose color-space converter
3D Graphic Engine (SGX540)Здесь самое вкусное, ой у нас есть SGX540 ровно как в галакси и витц Supports 3D graphics, vector graphics, and video encode and decode on common hardware
Tile-based architecture
Universal Scalable Shader Engine – multi-threaded engine incorporating Pixel and Vertex Shader
functionality
Industry standard API support –
OGL-ES 1.1 and 2.0 and OpenVG 1.0и даже поддерживаем основные спецификации, ну да не тегра но все же! Fine grained task switching, load balancing, and power management
Advanced geometry DMA driven operation for minimum CPU interaction
Programmable high-quality image anti-aliasing
Fully virtualized memory addressing for functioning of operating system in a unified memory architecture
2D Graphic Engine
BitBLT
Supports maximum 8000x8000 image size
Window clipping, 90/180/270Rotation, X Flip / Y Flip
Reverse Addressing (X positive/negative, Y positive/negative)
Totally 4-operand raster operation (ROP4)
Alpha blending (fixed alpha value / per-pixel alpha value)
Arbitrary size pixel pattern drawing, Pattern cache
16/24/32-bpp. Packed 24-bpp color format
Analog TV interface
Out video format: NTSC-M/ NTSC-J/ NTSC4.43/ PAL-B, D, G, H, I/ PAL-M/ PAL-N/ PAL-Nc/ PAL-60
compliant
Supported input format: ITU-R BT.601 (YCbCr 4 :4 :4)
аналоговая камера заднего вида соблазняет Supports 480i/p and 576i resolutions
Supports Composite/ S-Video/ Component interface
Digital TV Interface
High-definition Multimedia Interface (HDMI) 1.3
Supports up to 1080p 30Hz and 8-channel/ 112 kHz/ 24-bit audio
Supports 480p, 576p, 720p, 1080i, 1080p (cannot support 480i)
Supports HDCP v1.1
Rotator
Supported image format: YCbCr422 (interleave), YCbCr420 (non-interleave), RGB565 and RGB888
(unpacked)
Supported rotate degree: 90, 180, 270, flip vertical, and flip horizontal
Video processor: The video processor supports:
BOB/ 2D-IPC mode
Produces YCbCr 4:4:4 output to help the mixer blend video and graphics
1/4X to 16X vertical scaling with 4-tap/ 16-phase polyphase filter
1/4X to 16X horizontal scaling with 8-tap/ 16-phase polyphase filter
Pan and scan, Letterbox, and NTSC/ PAL conversion using scaling
Flexible scaled video positioning within display area
1/16 pixel resolution Pan and Scan modes
Flexible post video processing
o Color saturation, Brightness/ Contrast enhancement, Edge enhancement
o Color space conversion between BT.601 and BT.709
Video input source size up to 1920x1080
Video Mixer
The Video Mixer supports:
насколько я понял можно смиксовать видео от камеры и графические слои андроида Overlapping and blending input video and graphic layers
480i/p, 576i/p, 720p, and 1080i/p display size
Four layers (1 video layer, 2 graphic layer, and 1 background layer)
TFT-LCD Interface The TFT-LCD Interface supports:
24/ 18/ 16-bpp parallel RGB Interface LCD
8/ 6 bpp serial RGB Interface
Dual i80 Interface LCD
1/ 2/ 4/ 8 bpp Palletized or 8/16/24-bpp Non-Palletized Color TFT
Typical actual screen size: 1024x768, 800x480, 640x480, 320x240, 160x160, and so on
Наш дисплей, Ай Да Пушкин! Virtual image up to 16M pixel (4K pixel x4K pixel)
Five Window Layers for PIP or OSD
Real-time overlay plane multiplexing
Programmable OSD window positioning
8-bit Alpha blending (Plane/Pixel)
ITU-BT601/656 format output
1.3.4 AUDIO SUBSYSTEM The key features of audio subsystem include:
Audio processing is progressed by Reconfigurable Processor (RP)
Low power audio subsystem
5.1ch I2S with 32-bit-width 64-depth FIFO
128 KB audio play output buffer
Hardware mixer mixes primary and secondary sounds
Прочитав всё это, начинаешь смотреть на железку с большим уважением и любовью.
И все это и еще много чего такого в маленьком плоском квадратике с надписью Samsung
сорри к сожалению не нашел как в ВВ сделать картинку меньше