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LC Dock version K210 development board carry Sipeed M1/M1W AI module , The Kendryte K210 is a system-on-chip (SoC) that integrates machine vision and machine hearing. Using TSMC’s ultra-low-power 28-nm advanced process with dualcore 64-bit processors for better power efficiency, stability and reliability. The SoC strives for ”zero threshold” development and to be deployable in the user’s products in the shortest possible time, giving the product artificial intelligence. Kendryte K210 is intended for the AI and IoT markets, but is also a high-performance MCU. Kendryte in Chinese means researching intelligence. The main application field of this chip is in the field of Internet of Things. The chip provides AI solutions to add intelligence to this.
The functional characteristics:
1,Onboard Sipeed M1 or M1Wmodule, internal have Kendryte K210 artificial intelligence Soc chip.
2,CPU : RISC-V 64bit dual core processor, 400Mhz standard frequency (overclockable)
3,FPU specification: meet IEEE754-2008 standard.
4,Image Identification: QVGA@60FPS/VGA@30FPS
5，Deep learning framework ：TensorFlow/Keras/Darknet
7，Neural network processor (KPU):
（1)Support mainstream training framework according to specific restrictions trained fixed-point model.
(2)No direct restrictions on the number of network layers,support separate configuration of each layer of convolutional neural network parameters,including the number of input and output channels, input and output line width column height.
(3) Support for two convolution kernels 1x1 and 3x3
(4) Support for any form of activation function.
(5)The maximum supported neural network parameters range from 5.5MB to 5.9MB in real-time work.
（6）When working in non-real time the maximum supported network parameter size is (Flash capacity - software volume)
8，Static random access memory (SRAM)：SRAM contain two parts, are respectively
6MB of on-chip general-purpose SRAM memory and 2MB of on-chip AI SRAM memory, for a total of 8MB.
9,Field programmable IO array (FPIOA/IOMUX): FPIOA allows the user to map 255 internal functions to 48 free IOs on the periphery of the chip;
10, Fast Fourier Transform Accelerator: The FFT accelerator implements FFT operations in hardware.
11，Software overview ：
(1) FreeRtos & Standard SDK:support FreeRtos and Standrad development kit
(2) MicroPython Support：support MicroPython on M1
（3）Machine vision：Machine vision based on convolutional neural network
（4）Machine hearing：High performance microphone array processor
12,Onboard MSM261S4030H0 MEMS Silicon microphone
13,DVP Camera interface: 24P 0.5mm FPC Connector
14，LCD interface：24P 0.5mm FPC Connector
15，Onboard TM8211 I2S audio chip and PAM8403 Amplifier IC (Maximum support 2X3W output)
16,onboard Micro SD card slot
17，Automatic download circuit: download the program directly using the USB Type-C cable
18，All I/O ports are led out through a 2.54mm pin header
19，Onboard Boot press button and Reset press button
20，Wireless WiFi (optional) only adopt Sipeed M1W module development Only have WiFi function. ESP8285 chip ,support 2.4G 802.1.1.b/g/n standard
21,Development board accessories:OV2640 Camera module, 2.4 in 240*320 Resolution ST7789 driver chip 8-bit parallel port LCD、Micro USB turn Type-C head 2.54mm IO port Lead pin.
22, External supply voltage demand :5.0V ±0.2V
23,External supply current demand : ＞300mA @ 5V
Hardware introduction and description
1,board size :60*45mm， weight:27g
Onboard resources introduction
1,Sipeed M1/M1W module ：internal have Kendryte K210 artificial intelligence Soc chip.
2,USB Type-C interface: Can be used for board power supply / program download / firmware upgrade, etc.
3,500mA paste self-recovery fuse: avoid the computer's USB port overloading;
4,RESE press button
6, Programmable 3528RGB, using IO0--IO2 control .
7,Audio output :L+and L- for left channel,R+and R- for right channel,Maximum support 2X3W output
8,PAM8403 Amplifier IC
9,CH340C chip:USB turn TTL Serial port IC,Can be used for board program download / firmware upgrade, etc.
10, DVP Camera interface: 24P 0.5mm FPC connector, default connection OV2640 camera
11: LCD interface: 24P 0.5mm FPC connector , default connection 2.4 in 240*320 Resolution ST7789 driver chip 8-bit parallel port LCD
12, Micro SD card (TF card ) Slot
13,TM8211 I2S DAC audio chip
14,MSM261S4030H0 Silicon Microphone:with omnidirectional, top port I2S output MEMS microphone ， high performance and reliability
Product reference materials and technical communityWiki:maixpy.sipeed.com