君正T40-M38开发板

产品介绍

板卡尺寸：38*38mm

CPU参数

1.2.1 CPU
 XBurst®2 up to 1.2GHz, Dual Core, Dual-issue, high performance and low power implementation
of MIPS32 ISA R5
 MIPS32 ISA R5 plus Ingenic SIMD512 ISA
 Dual-issue, superscalar, super pipeline with Simultaneous Multi-Threading(SMT)
Two
hardware threads per physical core
Quad
instruction fetches per cycle
Dual
issue instructions per cycle per thread
 32K L1 D cache + 32K L1 I cache, 128~1024K L2 cache
 High-performance Floating-point Unit and SIMD Engine: FSE
32x512-
bit register set, 512-bit loads/stores to/from SIMD unit
IEEE-
754 2008 compliant
 Programmable Memory Management Unit(MMU)
1st
level mini-TLBs(MTLBs)-8x2 entry instruction TLB, 16x2 entry data TLB
2nd
level TLBs:32x2 entry VTLB, 256x2 entry 4-way set associative FTLB
 The XBurst®2 processor system supports little endian only
1.2.2 MCU
 600MHz RISC-V coprocessor
 32bit, in-order, 5-stage pipeline core
 32K L1-cache and 32K L1 D-cache
 RV32IM instruction set architecture

1.2.3 AI Engine
 Built-in neural network accelerator
 Typical Performance: 8TOPS
 Support int16/int8/int4/int2 bit width
 Shared 1MB memory pool
 Magik AI algorithm develop platform available
1.2.4 AI Co-Processing Unit(AIU)
 Color conversion
 Resize
 Hardware matrix operations
1.2.5 Video Processor Unit(VPU)
 Support H.264/H.265/JPEG combo Encoder
 Real-time H.256/H.264 encoding capabilities:3840x2160@30fps
 Support maximum resolution up to 4096x4096
 JPEG snapshot at 8 megapixels
1.2.6 Image Signal Processor(ISP)
 Support up to 3 sensors
 Support MIPI and DVP interface sensor
 Support maximum resolution 3840x2160
 3A (Auto Exposure/Auto White Balance/Auto Focus) and able to output the statistical
information
 Green equalization
 Black level correction
 Lens Shading Correction
 Lens Distortion Correction
 Dynamic/Static Defect pixel correction
 Demosaic
 2D/3D Color Correction
 Gamma Correction
 Brightness/Contrast/Saturation/Hue Adjustment
 Adaptive Dynamic Range Compression
 Defog, WDR
 Adaptive Local Contrast Enhancement
 Sharpen
 2D/3D Denoise
 Chroma Noise Reduction
 3 Independent Image Scale Up/Down Engine
 Crop, Mirror and Flip

1.2.7 Display Process Controller(DPU)
 MIPI-DSI4 interface
― Display size up to 1920x1080@60Hz
 SLCD controller
― Display size up to 640x480@60Hz,24BPP
― Support different size of display panel
 RGB controller
― Display size up to 1280x720@60Hz,24BPP
― Supports input format, ARGB8888, ARGB1555, RGB888, RGB565, RGB555, YUV422,
YUV420
― Support 4 modes parallel interface, 24-bit, 18-bit, 16-bit and 8-bit(third times)
― Support frame buffer crop and dither
1.2.8 Video Input and Output
 Video Input
– Support 8/10/12 bit RGB Bayer input
– Support DVP, BT1120(serial model)/BT656/BT601
– Support MIPI CSI (lane up to 1.5Gbps, and support one 4-Lane or two 2-Lane sensor)
– Support maximum:3840x2160@30fps
– Support up to 3 sensor inputs (DVP/BT, two CSI 2lane)
 Video output
– Support BT656 serial/parallel mode
– Support BT1120 serial/parallel mode
– Support MIPI DSI 4lane
1.2.9 Audio System
 Integrated Audio Codec
– 24 bits DAC with 93dB SNR
– 24 bits ADC with 92dB SNR
– Support signal-ended and differential microphone input and line input
– Automatic Level Control (ALC) for smooth audio recording
– Pure logic process: no need for mixed signal layers and less mask cost
– Programmable input and output analog gains
– Digital interpolation and decimation filter integrated
– Sampling rate 8K/12K/16K/24K/32/44.1K/48K/96K
 Digital MIC controller
– 16 bits data interface and 20bit precision internal controller
– SNR:90dB, THD:-90dB @ FS -20dB
– Linear high pass filter include. Attenuation: -2.9dB@100Hz, -22dB@27Hz, -36dB@10Hz
– Low power voice trigger when waiting to start talking
– 1/2/3/4 channel digital MIC support
– Support voice data pre-fetch when trigger enable and the data interface disable, but do
not increase the power dissipation
– Sample frequency supported: 8K, 16K
– Support low power mode, user for decrease DMIC sensor and DMIC controller power
dissipation
 Standard Audio I2S Interface
– 16,20 and 24 bit audio sample data sizes supported, 16 bits packed sample data is
supported
– DMA transfer mode supported
– Stop serial clock supported
– Support mono PCM data to stereo PCM data expansion on audio play back
– Support endian switch on 16-bits normal audio samples play back
– Internal programmable or internal serial clock and optional system clock supported for
I2S or MSB-Justified format
– Two FIFOs for transmit and receive respectively
– Support different sample rate for transmit and receive
– Support echo cancellation function in the condition of the same sample rate in transmit
and receive

1.2.10 Memory Interface
 Support up to size 2GB KGD and DDR2, DDR3, DDR3L
1.2.11 System Functions
 Clock generation and power management
– On-chip 12/24/48MHZ oscillator circuit
– One four-chip phase-locked loops (PLL) with programmable multiplier
– CCLK, HHCLK, H2CLK, PCLK, H0CLK, DDR_CLK, VPU_CLK frequency can be
changed separately for software by setting registers
– SSI clock supports 50M clock
– MSC clock supports 100M clock
– Functional-unit clock gating
– Shut down power supply for CPU, ISP, VPU, IPU
 Timer and counter unit with PWM output and/or input edge counter
– Provide eight separate channels, six of them have input signal transition edge counter
– 16-bit A counter and 16-bit B counter with auto-reload function every channel
– Support interrupt generation when the A counter underflow
– Three clock sources: RTCLK (real time clock), EXCLK (external clock input), PCLK (APB
Bus clock) selected with 1, 4, 16, 64, 256 and 1024 clock dividing selected
– Every channel has PWM output
 OS timer controller
– 64-bit counter and 32-bit compare register
– Support interrupt generation when the counter matches the compare register
– Two clock sources: RTCLK (real time clock), HCLK (system bus clock) selected with 1, 4,
16, 64, 256 and 1024 clock dividing selected
 Interrupt controller
– Total 64 interrupt sources
– Each interrupt source can be independently enabled
– Priority mechanism to indicate highest priority interrupt
– All the registers are accessed by CPU
– Unmasked interrupts can wake up the chip in sleep mode
– Another set of source, mask and pending registers to serve for PDMA
 Watchdog timer
– Generates WDT reset
– A 16-bit Data register and a 16-bit counter
– Counter clock uses the input clock selected by software
 PCLK, EXTAL and RTCLK can be used as the clock for counter
 The division ratio of the clock can be set to 1, 4, 16, 64, 256 and 1024 by software
 Direct memory access controllers
– Support up to 32 independent DMA channels
– Descriptor or No-Descriptor Transfer mode compatible with previous JZ SoC
– Transfer data units: 1-byte, 2-byte, 4-byte, 16-byte, 32-byte, 64-byte, 128-byte
– Transfer number of data unit: 1 ~ 224 - 1
– Independent source and destination port width: 8-bit, 16-bit, 32-bit
– Fixed three priorities of channel groups: 0~3, highest; 4~11: mid; 12~31: lowest
– An extra INTC IRQ can be bound to one programmable DMA channel
 SAR A/D Interface
– 4 single-ended input channels and 4 Standard I/O cell multiplexed
– 12-bit resolution, up to 2MS/s sampling rate
– DNL<1LSB,INL<2LSB
– Max Frequency: 24MHz
– Current consumption:2.5mA@2MS/s
 OTP Slave Interface
– Total 2048 bits. and used as 1024 bits for safe
 Power On Reset(POR)
– Provides reliable reset function for general applications
– Monitor 1.8V supply for IO and 0.9V for core
– Typical 1.35V threshold for 1.8V supply
– Typical 0.6V threshold for 0.9V supply

1.2.12 Peripherals
 General-Purpose I/O ports
– Input/output/function port configurable
– Low/high, rising/falling edge triggering. Every interrupt source can be masked
independent
– four interrupts, each interrupt corresponds to the group, to INTC
 Four I2C Controller(SMB0, SMB1, SMB2, SMB3)
– Two-wire I2C serial interface – consists of a serial data line (SDA) and a serial clock
(SCL)
– Three speeds mode
 Standard mode (100 Kb/s)
 Fast mode (400 Kb/s)
 High speed mode(3.4Mb/s)
– Programmable SCL generator
– Master or slave I2C operation
– 7-bit addressing/10-bit addressing
– The number of devices that you can connect to the same I2C-bus is limited only by the
maximum bus capacitance of 400pF
 One High Speed Synchronous serial interfaces (SFC)
– 3 protocols support: National’s Microwire, TI’s SSP, and Motorola’s SPI
– transmit-only or receive-only operation
– MSB first for command and data transfer, and LSB first for address transfer
– 64 entries x 32 bits wide data FIFO
– one device select
– Configurable sampling point for reception
– Configurable timing parameters: tSLCH, tCHSH and tSHSL
– Configurable flash address wide are supported
– transfer formats: Standard SPI only
– two data transfer mode: slave mode and DMA mode
– Configurable 6 phases for software flow
 Normal Speed Synchronous serial interfaces (SSI0, SSI1)
– 3 protocols support: National’s Microwire, TI’s SSP, and Motorola’s SPI
– Full-duplex or transmit-only or receive-only operation
– Programmable transfer order: MSB first or LSB first
– 128 entries deep x 32 bits wide transmit and receive data FIFOs
– Configurable normal transfer mode or Interval transfer mode
– Programmable clock phase and polarity for Motorola’s SSI format
– Back-to-back character transmission/reception mode
– Loop back mode for testing
 Four UARTs (UART0, UART1, UART2,UART3)
– Full-duplex operation
– 5-, 6-, 7- or 8-bit characters with optional no parity or even or odd parity and with 1, 1½,
or 2 stop bits
– 64x8 bit transmit FIFO and 64x11bit receive FIFO
– Independently controlled transmit, receive (data ready or timeout), line status interrupts
– Internal diagnostic capability Loopback control and break, parity, overrun and
framing-error is provided
– Separate DMA requests for transmit and receive data services in FIFO mode
– Supports modem flow control by software or hardware
– Slow infrared asynchronous interface that conforms to IrDA specification
 Two MMC/SD/SDIO controllers (MSC0, MSC1)
– All support eMMC 5.1(command queueing Engine)
– Support SD Specification 3.0
– Support SD I/O Specification 1.0 with 1 command channel and 4 data channels
– Consumer Electronics Advanced Transport Architecture (CE-ATA – version 1.1)
– Maximum data rate is 104MBps
– Both support MMC data width 1bit, 4bit
– Single or multi block access to the card including erase operation
– The maximum block length is 4096bytes
 USB 2.0 OTG interface
– Complies with the USB 2.0 standard for high-speed (480 Mbps) functions and with the
On-The-Go supplement to the USB 2.0 specification
– Operates either as the function controller of a high- /full-speed USB peripheral or as the
host/peripheral in point-to-point or multi-point communications with other USB functions
– Supports Session Request Protocol (SRP) and Host Negotiation Protocol (HNP)
– UTMI+ Level 3 Transceiver Interface
– Soft connect/disconnect
– 16 Endpoints
– Dedicate FIFO
– Supports control, interrupt, ISO and bulk transfer
 Ethernet Media Access controller
– 10/100 Mbps operation
– Supports MII and RMII PHY interfaces
– Support IEEE 1588-2002
 Digital True Random Number Generator(DTRNG)
– Pure digital logic circuits
– True random number
– Interrupt mode and no interrupt mode

1.2.13 Bootrom
22kB Boot ROM memory

接口电路

12v电源

网口

AUDIO接口

uboot复位电路

板卡复位电路

SD卡接口

MIC左右声道接口

USB2.0接口

MIPI接口

串口

设备常见问题解答