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VIM2 Interfaces

	Component	Purpose
1	USB-A	USB 2.0 speed, 500mA max output
2	RJ-45	Gigabit Ethernet with Wake-On-LAN (WOL)
3	HDMI	HDMI 2.0a with CEC, 4K@60Hz
4	USB-C	USB 2.0 OTG and 5V power input, can be used for upgrading the OS
5	USB-A	USB 2.0 speed, 900mA max output
6	Current Limit Switch	Prevents damage to VIM2 during uneven loading conditions
7	Fan Header	4-wire fan header utilising pulse width modulation
8	Reset Button	Force reboot your VIM2 in the event of a system freeze
9	Function Button	Press this 3 times in 2 seconds to enter MaskROM mode
A	Power Button	This button turns on your VIM2
B	M2x4 Mounting Point	For mounting to cases and heatsinks
C	RTC Battery Header	Header for attaching a battery for the real time clock
D	40-Pin GPIO	Learn how to access the GPIO from here, or use it to add a Toneboard
E	Infrared Module	2-channel infrared receiver for use with Khadas IR remote
F	LEDs	Status indicator LEDs
G	FPC Connector	10-pins, 0.5mm pitch, with I2C, IOs
H	I-Pex Wi-Fi / Bluetooth Connector	Wi-Fi / BT Antenna connector
I	I-Pex Wi-Fi / Bluetooth Connector	Wi-Fi / BT Antenna connector

	Component	Purpose
1	Pogo Pads	External 5V power input, can be provided by vTV Board(DVB Tuner)
2	Micro-SD Card Slot	Boot alternative OSes via a micro-SD card, or just for extra storage
3	500mA Fuse	Fuse for the 500mA USB port
4	WOL Switch	Power switch activated via Wake-On-LAN
5[MCU	STM8S003 micro-controller with programmable EEPROM
6	MCU Pogo Pads	SWIM, UART, ADC, NRST
7	SPI Flash	Flash memory module that interfaces over SPI
8	20-Pin Pogo Pads	USB, I2C, DVB-Bus, IOs, for docking with the vTV Board(DVB Tuner)
9	XPWR Pads	Connect an external power switch using these pads
A	900mA Fuse	Fuse for the 900mA USB port

Colour	Behaviour	Meaning
Blue	OFF	Power source disconnected
	Solid ON	Power source connected, SBC turned off
White	OFF	SBC turned off
	Solid ON	SBC turned on
Red	None	None

SIGNAL	PIN	PIN	SIGNAL
5V	1	21	GND
5V	2	22	I2C_SCK_A
HUB_DM1	3	23	I2C_SDA_A
HUB_DP1	4	24	GND
GND	5	25	I2C_SCK_B
GPIODV_21	6	26	I2C_SDA_B
GPIODV_22	7	27	3.3V
GPIODV_23	8	28	GND
GND	9	29	I2S_SCLK
ADC_CH0	10	30	I2S_MCLK
1.8V	11	31	I2S_SDO
ADC_CH2	12	32	I2S_LRCK
SPDIF	13	33	I2S_SDI
GND	14	34	GND
UART_RX_AO_B	15	35	PWM_D
UART_TX_AO_B	16	36	RTC_CLK
GND	17	37	GPIOH_5
Linux_RX	18	38	EXP_INT
Linux_TX	19	39	GPIODV_13
3.3V	20	40	GND

Khadas Docs

Reset	Function	Power	Purpose
x
	x		Enter Upgrade Mode (TST)
		x	Power On/Wake Up VIM2
x		x	Enter Upgrade Mode (KEYS)
x	x	x	Erase EMMC