瑞芯微RK3229芯片简介

瑞芯微RK3229是一款专为智能电视盒打造的的高性能四核通用型SoC，也是第一款支持4K视频解码输出的机顶盒芯片，主要应用于家庭影音和智能家居的场景。RK3229由四核Cortex-A7分别与Neon和FPU协处理器集成，还共享256KB二级缓存。五核GPU包括单几何处理器（GP）和双像素处理器（PP）以及双核2D GPU引擎，支持流畅的高分辨率显示和主流游戏。

1.2.1  Microprocessor

• Quad-core ARM Cortex-A7MP Core processor, a high-performance, low-power and cached application processor
• Full implementation of the ARM architecture v7-A instruction set, ARM Neon Advanced SIMD (single instruction, multiple data) support for accelerated media and signal processing computation
• Separately Integrated Neon and FPU per CPU
• 32KB/32KB L1 I-Cache/D-Cache per
• Unified L2
• Trustzone technology support

1.2.2  Memory Organization

• Internal on-chip memory
  • BootRom
  • Internal SRAM
• External off-chip memory①
  • DDR3/DDR3L/LPDDR2/LPDDR3
  • Async/Toggle/SyncNand Flash(include LBA Nand)

1.2.3  Internal Memory

• Internal BootRom
  • Support system boot from the following device :
    • 8bits Async Nand Flash
    • 8bits toggle Nand Flash
    • SPI interface
    • eMMC interface
    • SDMMC interface
  • Support system code download by the following interface:
    • USB OTG interface
  • Internal SRAM
    • Size : 36KB

1.2.4  External Memory or Storage device

• Dynamic Memory Interface (DDR3/DDR3L/LPDDR2/LPDDR3)
  • Compatible with JEDEC standard DDR3-1600/DDR3L-1600/LPDDR2-800/LPDDR3- 1333 SDRAM
  • Supports 32 Bits data width, 2 ranks (chip selects), totally 2GB (max) address space.
  • Programmable timing parameters to support DDR3/DDR3L/LPDDR2/LPDDR3 SDRAM from various vendor
  • Advanced command reordering and scheduling to maximize bus utilization
  • Low power modes, such as power-down and self-refresh for DDR3/LPDDR2/LPDDR3 SDRAM; clock stop and deep power-down for LPDDR2 SDRAM
  • Compensation for board delays and variable latencies through programmable pipelines
  • Programmable output and ODT impedance with dynamic PVT compensation

• Nand Flash Interface
  • Support 8bits async/toggle/sync nandflash, up to 4 banks
  • Support LBA nandflash
  • 16bits, 24bits, 40bits, 60bits hardware ECC
  • For DDR nandflash, support DLL bypass and 1/4 or 1/8 clock adjust
  • For async/toggle nandflash, support configurable interface timing,
  • maximum data rate is 16bit/cycle
  • Embedded AHB master interface to do data transfer by DMA method

• eMMC Interface
  • Compatible with standard iNAND interface
  • Support MMC4.51 protocol
  • Provide eMMC boot sequence to receive boot data from external eMMC device
  • Support FIFO over-run and under-run prevention by stopping card clock automatically
  • Support CRC generation and error detection
  • Embedded clock frequency division control to provide programmable baud rate
  • Support block size from 1 to 65535Bytes
  • 8bits data bus width

• SD/MMC Interface
  • Compatible with SD3.0, MMC 51
  • Support FIFO over-run and under-run prevention by stopping card clock automatically
  • Support CRC generation and error detection
  • Support block size from 1 to 65535Bytes
  • Data bus width is 4bits

1.2.5  System Component

• CRU (clock & reset unit)
  • Support clock gating control for individual components inside RK3229
  • One oscillator with 24MHz clock input and 4 embedded PLLs
  • Support global soft-reset control for whole SOC, also individual soft-reset for every component

• Timer
  • 6 on-chip 64bits Timers in SoC with interrupt-based operation for non-secure application
  • 2 on-chip 64bits Timers in SoC with interrupt-based operation for secure application
  • Provide two operation modes: free-running and user-defined count
  • Support timer work state checkable
• Fixed 24MHz clock input
• PWM
  • Four on-chip PWMs with interrupt-based operation
  • Programmable pre-scaled operation to bus clock and then further scaled
  • Embedded 32-bit timer/counter facility
  • Support capture mode
  • Support continuous mode or one-shot mode
  • Provides reference mode and output various duty-cycle waveform

• WatchDog
  • 32 bits watchdog counter width
  • Counter clock is from apb bus clock
  • Counter counts down from a preset value to 0 to indicate the occurrence of a timeout
  • WDT can perform two types of operations when timeout occurs:
    • Generate a system reset
    • First generate an interrupt and if this is not cleared by the service routine by the time a second timeout occurs then generate a system reset
  • Programmable reset pulse length
  • Totally 16 defined-ranges of main timeout period

• Bus Architecture
  • 128bit/64-bit/32-bit multi-layer AXI/AHB/APB composite bus architecture
  • 5 embedded AXI interconnect
    • CPU interconnect with four 64-bits AXI masters, one 64-bits AXI slaves, one 32-bits AHB master and lots of 32-bits AHB/APB slaves
    • PERI interconnect with two 64-bits AXI masters, one 64-bits AXI slave, five 32- bits AHB masters and lots of 32-bits AHB/APB slaves
    • Display interconnect with three 128-bits AXI master, four 64-bits AXI masters and one 32-bits AHB slave
    • GPU interconnect with one 128-bits AXI master with point-to-point AXI-lite architecture and 32-bits APB slave
    • VCODEC interconnect also with two 64-bits AXI master and two 32-bits AHB slave, they are point-to-point AXI-lite architecture
  • Flexible different QoS solution to improve the utility of bus bandwidth

• Interrupt Controller
  • Support 3 PPI interrupt source and 128 SPI interrupt sources input from different components inside RK3229
  • Support 16 software-triggered interrupts
  • Input interrupt level is fixed , only high-level sensitive
  • Two interrupt outputs (nFIQ and nIRQ)separately for each Cortex-A7, both are low- level sensitive
  • Support different interrupt priority for each interrupt source, and they are always software-programmable

• DMAC
  • Micro-code programming based DMA
  • The specific instruction set provides flexibility for programming DMA transfers
  • Linked list DMA function is supported to complete scatter-gather transfer
  • Support internal instruction cache
  • Embedded DMA manager thread
  • Support data transfer types with memory-to-memory, memory-to-peripheral, peripheral-to-memory
  • Signals the occurrence of various DMA events using the interrupt output signals
  • Mapping relationship between each channel and different interrupt outputs is

software-programmable

• One embedded DMA controller for system
• DMAC features:
  • 8 channels totally
  • 16 hardware request from peripherals
  • 2 interrupt output
  • Dual APB slave interface for register configuration, designated as secure and non-secure
  • Support trustzone technology and programmable secure state for each DMA channel

• Security system
  • Support trustzone technology for the following components inside RK3229
    • Cortex-A7, support security and non-security mode, switch by software
    • DMAC, support some dedicated channels work only in security mode
    • eFuse, only accessed by Cortex-A7 in security mode
    • Internal memory , part of space is addressed only in security mode, detailed size is software-programmable together with TZMA(trustzone memory adapter) and TZPC(trustzone protection controller)

• Embedded encryption and decryption engine
  • Support AES 128/192/256 bits key mode, ECB/CBC/CTR chain mode, Slave/FIFO mode
  • Support DES/3DES (ECB and CBC chain mode) , 3DES (EDE/ EEE key mode), Slave/FIFO mode
  • Support SHA1/SHA256/MD5 (with hardware padding) HASH function, FIFO mode only
  • Support 160 bit Pseudo Random Number Generator (PRNG)
  • Support PKA 512/1024/2048 bit Exp Modulator

1.2.6  Video CODEC

• Embedded memory management unit(MMU)
• Video Decoder
  • Real-time video decoder of MPEG-1, MPEG-2, MPEG-4,H.263, H.264, 265,VC-1, VP8, VP9, MVC
  • MMU Embedded
  • Supports frame timeout interrupt , frame finish interrupt and bitstream error interrupt
  • Error detection and concealment support for all video formats
  • Output data format YUV420 semi-planar,YUV400(monochrome) ,YUV422 is supported by 264

n     H.264 10bit up to HP level 5.1  : 2160P@60fps (4096×2304)

n     VP9 :2160p@30fps(4096×2304)

n     HEVC 10bit: 2160p @60fps(4096×2304)

• MPEG-4 up to ASP level 5 : 1080p@60fps (1920×1088)

n     MPEG-2 up to MP               : 1080p@60fps (1920×1088)

n     MPEG-1 up to MP               : 1080p@60fps (1920×1088)

n     H.263                               : 576p@60fps   (720×576)

n     VC-1 up to AP level 3         : 1080p@30fps (1920×1088)

n     VP8                                  : 1080p@60fps (1920×1088)

n     MVC                                 : 1080p@60fps (1920×1088)

• For 264, image cropping not supported
• For MPEG-4, GMC(global motion compensation) not supported
• For VC-1, upscaling and range mapping are supported in image post-processor
• For MPEG-4 SP/H.263, using a modified H.264 in-loop filter to implement deblocking filter in post-processor unit
• Video Encoder
  • Support video encoder for H.264 UP to HP@level4.1, MVC
  • Only support I and P slices, not B slices
  • Support error resilience based on constrained intra prediction and slices
  • Input data format:
    • YCbCr 4:2:0 planar
    • YCbCr 4:2:0 semi-planar
    • YCbYCr 4:2:2
    • CbYCrY 4:2:2 interleaved
    • RGB444 and BGR444
    • RGB555 and BGR555
    • RGB565 and BGR565
    • RGB888 and BRG888

u    RGB101010 and BRG101010

• Image size is from 96×96 to 1920×1080(Full HD)
• Maximum frame rate is up to 1920×1080 @ 30FPS②

1.2.7  JPEG CODEC

• JPEG decoder

n     Input JPEG file : YCbCr 4:0:0, 4:2:0, 4:2:2, 4:4:0, 4:1:1 and 4:4:4 sampling formats

n     Output raw image : YCbCr 4:0:0, 4:2:0, 4:2:2, 4:4:0, 4:1:1 and 4:4:4 semi-planar

• Decoder size is from 48×48 to 8176×8176(66.8Mpixels)
• Support JPEG ROI(region of image) decode
• Maximum data rate③ is up to 76million pixels per second
• Embedded memory management unit(MMU)

1.2.8  Image Enhancement (IEP module)

• Image format support
  • Input data: YUV420/YUV422
  • Output data: YUV420/YUV422
  • YUV swap
  • UV SP/P
  • BT601_l/BT601_f/BT709_l/BT709_f color space conversion
  • YUV up/down sampling
• De-interlace
  • 3×5 Y motion detection matrix
  • Source width up to 1920
  • Configured high frequency de-interlace
  • I4O2 (Input 4 field, output 2 frame) /I4O1B/I4O1T/I2O1B/I2O1T mode
• Interface
  • 32bit AHB bus slave
  • 64bit AXI bus master
  • Combined interrupt output

1.2.9  Graphics Engine

RK3229’s GPU consists of penta-core that is tri-core 3D Graphics engine and dual-core 2D Graphics engine.

• Tri-Core 3D Graphics Engine:
  • High performance OpenGL ES1.1 and 2.0, OpenVG1.1
  • Embedded 2 shader cores with shared hierarchical tiler
  • Separate vertex(geometry) and fragment(pixel) processing for maximum parallel throughput
  • Provide MMU and L2 Cache with 64KB size
• Dual-Core 2D Graphics Engine:
• Source formats :

u    ABGR8888, XBGR888, ARGB8888, XRGB888

u    RGB888, RGB565

u    RGBA5551, RGBA4444

• YUV420 planar, YUV420 semi-planar
• YUV422 planar, YUV422 semi-planar
• YUV 10-bit for YUV420/422 semi-planar
• BPP8, BPP4, BPP2, BPP1

• Destination formats :

u    ABGR8888, XBGR888, ARGB8888, XRGB888

u    RGB888, RGB565

u    RGBA5551, RGBA4444

• YUV420 planar, YUV420 semi-planar
• YUV422 planar, YUV422 semi-planar
• Pixel Format conversion, 601/BT.709
• Max resolution: 8192×8192 source, 4096×4096 destination
• BitBLT
  • Two source BitBLT:
  • A+B=B only BitBLT, A support rotate&scale when B fixed
  • A+B=C second source (B) has same attribute with (C) plus rotation function
• Color fill with gradient fill, and pattern fill
• High-performance stretch and shrink
• Monochrome expansion for text rendering
• New comprehensive per-pixel alpha(color/alpha channel separately)
• Alpha blending modes including Java 2 Porter-Duff compositing blending rules , chroma key, pattern mask, fading
• Dither operation
• 0, 90, 180, 270 degree rotation
• x-mirror, y-mirror & rotation operation

1.2.10  Video OUT

• Display Interface
  • Support HDMI 2.0 output up to 4K@60Hz
  • TV Interface: TV encoder 10bit out for DAC
  • HDMI Interface : 24 bit(RGB888 YCbCr444),

30 bit(RGB101010,YCbCr 420, YCbCr 444)

• Max output resolution 4K for HDMI, 480i/576i for CVBS
• 3 display layers :
  • Display layers of Win0,Win1,HWC
  • One background layer with programmable 24bits color
  • One video layer (win0/win1)
    • RGB888, ARGB888, RGB565, YCbCr422, YCbCr420, YCbCr444,YCbCr 420 10bit，YCbCr 422 10bit，YCbCr 444 10bit
    • maximum resolution is 4096×2304,support virtual display
    • 1/8 to 8 scaling up/down engine with arbitrary non-integer ratio
    • 256 level alpha blending(pre-multiplied alpha support)
    • Support transparency color key
    • Support BG, RG, RB swap, xy mirror
    • Support TV Encoder for PAL and NTSC
    • YCbCr2RGB(rec601-mpeg/rec601-jpeg/rec709)
    • YCbCr2RGB(BT2020)
    • RGB2YCbCr(BT601/BT709)
    • RGB2YCbCr(BT2020)
  • BT2020 and BT709/601 conversion
  • Win0 and Win1 layer overlay exchangeable
  • Support replication(16bits to 24bits) and dithering(24bits to 16bits/ 18bits) operation
• Blank and blank display

1.2.11  HDMI

• Support YUV420 4k x 2k @ 60fps
• Support for 4k x 2k and 3D video formats
• Support for up to 10.2bps bandwidth
• HPD input analog comparator
• Compliant HDMI 0
• Compliance HDMI compliance Test specification 4
• Support HDCP 2

1.2.12  Audio Interface

• I2S0/I2S1 with 8ch
  • I2S0/I2S1 supports up to 8 channels (8xTX or 8xRX)
  • Audio resolution from 16bits to 32bits
  • Sample rate up to 192KHz
  • Provides master and slave work mode, software configurable
  • Support 3 I2S formats (normal, left-justified, right-justified)
  • Support 4 PCM formats(early, late1, late2, late3)
  • I2S and PCM mode cannot be used at the same time

• I2S2/PCM with 2ch
  • Up to 2 channels (2xTX and 2xRX)
  • Audio resolution from 16bits to 32bits
  • Sample rate up to 192KHz
  • Provides master and slave work mode, software configurable
  • Support 3 I2S formats (normal , left-justified , right-justified)
  • Support 4 PCM formats(early , late1 , late2 , late3)
  • I2S and PCM cannot be used at the same time

• SPDIF
  • Support two 16-bit audio data store together in one 32-bit wide location
  • Support biphase format stereo audio data output
  • Support 16 to 31 bit audio data left or right justified in 32-bit wide sample data buffer
  • Support 16, 20, 24 bits audio data transfer in linear PCM mode
  • Support non-linear PCM transfer

• Audio CODEC
  • 24bit DAC
  • Support Line-out
  • Support Mono, Stereo, 5.1 HiFi channel performance
  • Integrated digital interpolation and decimation
  • Sampling rate of 8kHz/12kHz/16kHz/24kHz/32kHz/44.1KHz/48KHz/96KHz
  • Optional fractional PLL available that support 6MHz to 20MHz clock input to any clock

1.2.13  Connectivity

• SDIO interface
  • Compatible with SDIO 3.0 protocol
  • 4bits data bus widths

• TS interface
  • Supports one TS input
  • Supports 4 TS Input Mode: sync/valid mode in the case of serial TS input;

nosync/valid mode, sync/valid, sync/burst mode in the case of parallel TS input.

• Supports 2 TS sources: demodulators and local
• Supports 2 Built-in PTIs(Programmable Transport Interface) to process TS simultaneously, and Each PTI supports:
  • 64 PID
  • TS descrambling with 16 sets of Control Word under CSA v2.0 standard, up to 104Mbps
  • 16 PES/ES filters with PTS/DTS extraction and ES start code
  • 4/8 PCR extraction channels
  • 64 Section filters with CRC check, and three interrupt mode: stop per unit, full- stop, recycle mode with version number check
  • PID done and error interrupts for each channel
  • PCR/DTS/PTS extraction interrupt for each channel
• Supports 1 PVR(Personal Video Recording) output
• 1 built-in multi-channel DMA
• Smart Card
  • support card activation and deactivation
  • support cold/warm reset
  • support Answer to Reset (ATR) response reception
  • support T0 for asynchronous half-duplex character transmission
  • support T1 for asynchronous half-duplex block transmission
  • support automatic operating voltage class selection
  • support adjustable clock rate and bit (baud) rate
  • support configurable automatic byte repetition

• GMAC 10/100/1000M Ethernet Controller
  • Supports 10/100/1000-Mbps data transfer rates with the RGMII interfaces
  • Supports 10/100-Mbps data transfer rates with the RMII interfaces
  • There are 2 controllers, one is connected to internal FE PHY, the other is for external PHY device
  • Supports both full-duplex and half-duplex operation
  • Supports IEEE 802.1Q VLAN tag detection for reception frames
  • Support detection of LAN wake-up frames and AMD Magic Packet frames
  • Handles automatic retransmission of Collision frames for transmission

• Ethernet PHY
  • Integrated IEEE 802.3/802.3u compliant 10/100Mbps Ethernet PHY
  • Supporting both full and half duplex for either 10 or 100 Mb/s data rate
  • Auto MDIX capable
  • Supports wake-on-LAN, EEE
  • 100Base-FX support
  • Supports auto-negotiation

• SPI Controller
  • Support serial-master and serial-slave mode, software-configurable
  • DMA-based or interrupt-based operation
  • Embedded two 32x16bits FIFO for TX and RX operation respectively
  • Support 2 chip-selects output in serial-master mode

• UART Controller
  • 3 on-chip UART controller inside RK3229
  • DMA-based or interrupt-based operation
  • UART0/1/2 Embedded two 64Bytes FIFO for TX and RX operation respectively
  • Support 5bit,6bit,7bit,8bit serial data transmit or receive
  • Standard asynchronous communication bits such as start, stop and parity
  • Support different input clock for UART operation to get up to 4Mbps or other special

baud rate

• Support non-integer clock divides for baud clock generation
• Support auto flow control mode
• I2C controller
  • 4 on-chip I2C controller in RK3229
  • Multi-master I2C operation
  • Support 7bits and 10bits address mode
  • Software programmable clock frequency and transfer rate up to 400Kbit/s in the fast mode
  • Serial 8bits oriented and bidirectional data transfers can be made at up to 100Kbit/s in the standard mode

• GPIO
  • 4 groups of GPIO (GPIO0~GPIO3) , 32 GPIOs per group in GPIO0~GPIO3, totally have 128 GPIOs
  • All of GPIOs can be used to generate interrupt to Cortex-A7
  • All of pull-up GPIOs are software-programmable for pull-up resistor or not
  • All of pull-down GPIOs are software-programmable for pull-down resistor
  • or not
  • All of GPIOs are always in input direction in default after power-on-reset

• USB 0
  • Embedded 3 USB Host 2.0 interfaces
  • Compatible with USB Host2.0 specification
  • Supports high-speed(480Mbps), full-speed(12Mbps) and low-speed(1.5Mbps) mode
  • Provides 16 host mode channels
  • Support periodic out channel in host mode

• USB 0
  • Compatible with USB 0 specification
  • Supports high-speed(480Mbps), full-speed(12Mbps) and low-speed(1.5Mbps) mode
  • Support up to 9 device mode endpoints in addition to control endpoint 0
  • Support up to 6 device mode IN endpoints including control endpoint 0
  • Endpoints 1/3/5/7 can be used only as data IN endpoint
  • Endpoints 2/4/6 can be used only as data OUT endpoint
  • Endpoints 8/9 can be used as data OUT and IN endpoint
  • Provides 9 host mode channels

1.2.14  Others

• Temperature Sensor(TS-ADC)
  • 10-bits SAR ADC up to 50KS/s sampling rate
  • 0~80C temperature range and 5C temperature resolution

• eFuse
  • Two high-density electrical Fuse is integrated: 256bits (32×8) / 1024bits (32×32)
  • Support standby mode
  • Provide inactive mode, VP must be 0V or Floating in this

• Package Type
  • BGA316 (body: 14mm x 14mm ; ball size : 0.3mm ; ball pitch : 65mm)

Notes :

①  : DDR3/LPDDR2/LPDDR3 are not used simultaneously as well as async and sync ddrnand flash

②: Actual maximum frame rate will depend on the clock frequency and system bus performance

③: Actual maximum data rate will depend on the clock frequency and JPEG compression rate

RK3229 Datasheet Rev 1.2