This is an old revision of the document!
| Component | Purpose | |
|---|---|---|
| 1 | USB-A | USB 2.0 speed, 500mA max output | 
| 2 | RJ-45 | 10/100 Mbps Ethernet | 
| 3 | HDMI | HDMI 2.1b with 3D, HDR, CEC and HDCP 2.2 | 
| 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, 750mA max output | 
| 6 | Fan header | Khadas 4-wire PWM fan | 
| 7 | Reset button | Device hardware reset | 
| 8 | Function button | Multi-functional | 
| 9 | Power button | Turns on/off device and other multi-functions | 
| A | RTC battery header | Attaching real-time clock battery | 
| B | SPI-Flash | 32MB SPI-Flash memory | 
| C | 40-Pin GPIO | VIM1S GPIO Header, and for extensions: Tone, … | 
| D | Infrared module | Dual channel infrared receiver for use with Khadas IR remote | 
| E | LEDs | Status indicator LEDs | 
| F | MCU | Advanced device hardware control | 
| G | MHF2 Wi-Fi/BT connector | Wi-Fi/Bluetooth antenna connector | 
| Component | Purpose | |
|---|---|---|
| 1 | VIN | 5V additional power input | 
| 2 | Micro-SD card slot | SD-card storage, or boot device from SD card | 
| 3 | IO | Extension FPC IO connector | 
| 4 | XPWR Pads | Connect an external power switch using these pads | 
| Reset | Function | Power | Purpose | 
|---|---|---|---|
| x | Hardware device reset | ||
| x | Enter upgrade mode (TST) | ||
| x | Power-On / Wake-Up device | ||
| x | x | Enter upgrade mode (KEYS) | 
FUNCTION 3 times in 2 seconds to enter MaskROM mode