Thank you for purchasing a Khadas Tone1. Now you can easily enjoy Hi-Res Audio at home.
| VIMs Edition | Generic Edition | 
|---|---|
| Tone1 (with 20 & 40 pin header on board) | Tone1 | 
| USB Cable | USB Cable | 
| Set of Screws | Set of Screws | 
| - | Header: 40-Pin Female | 
| - | Header: 20-Pin | 
This connection type through 40-Pin header suitable for VIM or Edge devices.
| Step | Operation | 
|---|---|
| 1 | Connect Tone1 and VIM1/VIM2/Edge-V SBC through 40-Pin Header | 
| 2 | Connect RCA output | 
| 3 | Connect HDMI | 
| 4 | Connect DC 5V | 
Common connection type for PC/Smartphones and any other devices.
| Step | Operation | 
|---|---|
| Step1 | Connect RCA output | 
| Step2 | Connect Tone1 with PC using a USB-C data cable | 
Most software platforms have integrated Tone1 Drivers. Only Windows platforms need to install drivers.
Make sure the firmware of your VIM1 is upgraded to VIM_Nougat_V180524 or later. 
Make sure the firmware of your VIM2 is upgraded to VIM2_Nougat_V180413 or later. 
Edge-V TBD.
We will use Windows 10 for this example. Windows 7 is similar.
| No | Ports | Function | 
|---|---|---|
| 1 | USB-C | Power supply & data transmission | 
| 2 | S/PDIF | S/PDIF input/output | 
| 3 | L | Audio left channel output | 
| 4 | R | Audio right channel output | 
| 5 | 20-Pin Header | Debug Port, update XMOS firmware | 
| 6 | 40-Pin Header | VIMs connector (Power supply & data transmission) | 
| 7 | I2S | VIMs I2S output | 
| 8 | 8 Channel Ext | XMOS 8 Channel extend | 
| 9 | OLED | VIMs OLED display | 
| 10 | Power LED | Power supply indicator | 
| Signal | Pin | Pin | Signal | 
|---|---|---|---|
| VCC_3V3 | 1 | 11 | Tone_5V | 
| Linux_TX | 2 | 12 | Tone_5V | 
| Linux_RX | 3 | 13 | GND | 
| GND | 4 | 14 | GND | 
| XL_DN1 | 5 | 15 | XMOS_RST | 
| XL_DN0 | 6 | 16 | XMOS_TDO | 
| XL_UP0 | 7 | 17 | XMOS_TDI | 
| XL_UP1 | 8 | 18 | XMOS_TCK | 
| XMOS_3V3 | 9 | 19 | XMOS_TMS | 
| GND | 10 | 20 | GND | 
| Signal | Pin | Pin | Signal | 
|---|---|---|---|
| 5V_1 | 1 | 21 | GND5 | 
| 5V_2 | 2 | 22 | OLED_SCL | 
| VIM_DN | 3 | 23 | OLED_SDA | 
| VIM_DP | 4 | 24 | GND6 | 
| GND | 5 | 25 | - | 
| - | 6 | 26 | - | 
| - | 7 | 27 | VCC_3V3 | 
| - | 8 | 28 | GND7 | 
| GND | 9 | 29 | I2S_SCLK | 
| ADC0 | 10 | 30 | I2S_MCLK | 
| - | 11 | 31 | I2S_SDO | 
| - | 12 | 32 | I2S_LRCK | 
| VIM_SPDIF | 13 | 33 | I2S_SDI | 
| GND3 | 14 | 34 | GND8 | 
| UART_RX_AO_B / SPDIF_MODE | 15 | 35 | OLED_PWREN | 
| UART_TX_AO_B / SPDIF_IN_MODE | 16 | 36 | - | 
| GND4 | 17 | 37 | OLED_RST | 
| Linux_RX | 18 | 38 | - | 
| Linux_TX | 19 | 39 | MUTE | 
| VCC_3V3 | 20 | 40 | GND9 | 
| Pin | Singal | 
|---|---|
| 1 | Tone_5V | 
| 2 | GND | 
| 3 | VCC_3V3 | 
| 4 | GND | 
| 5 | I2S_SCLK | 
| 6 | I2S_MCLK | 
| 7 | I2S_SDI | 
| 8 | I2S_LRCK | 
| 9 | I2S_SDO | 
| 10 | GND | 
| Pin | Signal | 
|---|---|
| 1-3 | Tone_5V | 
| 4-6 | GND | 
| 7-8 | XMOS_3V3 | 
| 9 | XMOSIO3 | 
| 10 | XMOSIO2 | 
| 11 | XMOSIO1 | 
| 12 | ADC0 | 
| 13 | VOLUME | 
| 14 | XMOS_SCL | 
| 15 | XMOS_SDA | 
| 16 | MUTE | 
| 17 | DAC_RST | 
| 18 | GND | 
| 19 | MCLK | 
| 20 | GND | 
| 21 | LRCK/DSD_CLK | 
| 22 | GND | 
| 23 | BCLK/DSD_1 | 
| 24 | GND | 
| 25 | SIN0/DSD_2 | 
| 26 | SIN1/DSD_3 | 
| 27 | SIN2/DSD_4 | 
| 28 | SIN3/DSD_5 | 
| 29 | DSD_6 | 
| 30 | GND | 
| Pin | Signal | 
|---|---|
| 1 | Tone_5V | 
| 2 | Tone_5V | 
| 3 | OLED_SCL | 
| 4 | OLED_SDA | 
| 5 | GND | 
| 6 | - | 
| 7 | OLED_RST | 
| 8 | OLED_PWREN | 
| 9 | - | 
| 10 | GND | 
XMOS supports 8-channel analog line-out. However, the Tone1 DAC (ES9038Q2M) is already using 2-channels. Users can add a DAC for 8-channel expansion.