Table of Contents
VIM1S Hardware Documentation
VIM1S Interfaces
Top side
| 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 |
Back side
| 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 |
Hardware buttons
| 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) |
Special button shortcuts
- Press
FUNCTION3 times in 2 seconds to enter MaskROM mode - Other OOWOW button shortcuts
