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X708-Hardware

1,355 bytes added, 1 March
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{{GD Template Impl}}
[[File:X708-V12-IMG-9489-interface-2.jpg]]
 
4-Pin Function Header for X708 V1.2
 
[[File:X708-V12-IMG-9481-01.jpg|X708 Jumper Function]]
 
[[File:X708-fn.jpg|none]]
1. <span style="color:#5671B0;font-size:200%;">❶</span> Power Jack and Connectors
{| class="wikitable"
| Power input || 5Vdc +/- 5% , ≥3A
| USB power in socket || Type-C
|-
| UPS power output || 5.1Vdc 8A(Max.)
|-
| Power output connector || 2-pin XH2.54mm 2pin*2
|}
* X708 can be powered via the onboard DC jack or Type-C USB power socket
2. <span style="color:#5671B0;font-size:200%;">❷</span> 6-Pin Function Headerfor X708 V1.0
{| class="wikitable"
Pin 5&6
||
*<span style="color:red;">NOTE: ASD fundtion is removed on V1.2 version,but you can achieve this function through software programming.</span>
* Short - Automatic shutdown enabled when battery low (≤3Vdc )
* <span style="color:red;">Procedure to enable ASD function --IMPORTANT</span>
|}
3. <span style="color:#5671B0;font-size:200%;">❸</span> How to connector external power switch 
{| class="wikitable"
! Pin No. !! Pin Description
|-
| 1|| Power on/off control connecting to switch
|-
| 2|| Ground
|-
| 3|| LED+ for battery low indicatorGround
|-
| 4|| LED+ for power on, rebooting and shutdown
|}
4. <span style="color:#5671B0;font-size:200%;">❹</span> Power button (Script for power mgnt installed)
{| class="wikitable"
! Press and Release !! Raspberry Pi and X708 turn on
|-
| Press and hold for 1~2 seconds|| System rebooting
|-
| Press and hold for 3~7 seconds|| System shutting down
|-
| Press and hold for >8 seconds|| <span style="color:red;">Force shutdown</span>
|}
5. <span style="color:#5671B0;font-size:200%;">❺</span> Function LEDs
{| class="wikitable"
! LED Name !! Usage
|}
 6. <span style="color:#5671B0;font-size:200%;">❻</span> Fuel gauge - LED Indicator
Operation of Discharging
|}
7. <span style="color:#5671B0;font-size:200%;">❼</span> Pins and GPIO used
{| class="wikitable"
! Pin No. !! Usage!! Remark
|-
| 2, 4| | +5V power supply||
|-
3, 5| 6|| I2C for RTC and battery fuel-gauge systemsGround ||
|-
6| 29|| Ground GPIO5 for power management||
|-
29| 32|| GPIO5 GPIO12 for power management||
|-
32| 33|| GPIO12 GPIO13 for power management ||
|-
33| 31|| GPIO13 GPIO6 for AC power managementloss detection (Jumper for PLD inserted,High=POWER loss,Low=Power supply normal)||
|-
31| 36|| GPIO6 GPIO16 for AC power loss detectionfan speed: HIGH => fast, LOW=> slow|| <span style="color:red;">New added on V1.2</span>
(Jumper for PLD inserted, High=power loss,|}
Low<span style=Power supply normal"color:#5671B0;font-size:200%;">❽</span> 18650 battery dimension [[File:18650size.png|none]] <span style="color:red;">Please do not use 18650 battery with built-in protection circuit</span> <span style="color:#5671B0;font-size:200%;">❾</span> How to programming to get ASD function on V1.2 version The following is fake C/C++ code:<pre>while(1) { // You need to implement getCurrentVoltage function float fVoltage = getCurrentVoltage(); if (fVoltage <= 2.5) { //execute shut down command, "sudo x708off" break; }|}<pre> Return to [[X708]]
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