查看“MYZR-RK3288-MB314 硬件介绍”的源代码


= '''接口概览（overview of interfaces)''' =
----
== '''正面图(front view)''' ==
[[文件:myrk3288_mb314_1.1.0.1.png|642px]]
== '''背面图(rear view)''' ==
[[文件:myrk3288_mb314_1.2.0.1.png|642px]]
== '''图示模块(icon module)''' ==
{| class="wikitable"
|-
!图示<br>(graphic)	
!接口描述<br>(interface description)	
!丝印<br>(silk screen)	
!图示<br>(graphic)	
!接口描述<br>(interface description)
!丝印<br>(silk screen)
|-
|1	
|12V IN	
|J4	
|18	
|扩展接口	
|J11
|-
|2	
|BL	
|J5	
|19	
|MXM314
|U14
|-
|3	
|EDP	
|J7	
|20	
|RTC电池座	
|BT1
|-
|4	
|MIPI-CSI	
|J19	
|21	
|DUAL LVDS	
|J9
|-
|5	
|1000M Ethernet	
|U13	
|22	
|SINGEL LVDS	
|J8
|-
|6	
|10M/100M Ethernet	
|P1	
|23	
|DC IN	
|J3
|-
|7	
|USB HOST	
|J10	
|24	
|主电源开关	
|J2
|-
|8	
|HP JACK	
|P15	
|25	
|OTG	
|J1
|-
|9	
|HDMI	
|J14	
|26	
|WIFI	
|U2
|-
|10	
|CIF	
|J17	
|27	
|RECOVER	
|SW5
|-
|11	
|功能串口	
|P3	
|28	
|RESET	
|SW4
|-
|12	
|调试串口	
|P4	
|29	
|SLEEP WAKE	
|SW3
|-
|13	
|mini-PCIE	
|J13	
|30	
|VOL +	
|SW2
|-
|14	
|电压跳线选择	
|J15	
|31	
|VOL -	
|SW1
|-
|15	
|USB to UART	
|J16	
|32	
|USB to WIFI	
|U26
|-
|16	
|SIM卡座
|CON1	
|33	
|GPS	
|U24
|-
|17	
|JTAG	
|U19	
|34	
|TF卡座
|U22
|}
 

= '''接口功能(interface function)''' =
----
== '''串口（serial port）''' ==
{| class="wikitable"
|-
!丝印<br>(silkscreen)	
!功能<br>(function)	
!接口属性<br>(Interface attributes)
|-
|P4		
|调试串口<br>(debug serial port)		
|3线标准RS232接口。<br>( 3 Line standard RS232 interface)
|-
|P3		
|功能串口<br>(function serial port)		
|3线标准RS232接口。<br>( 3 Line standard RS232 interface)	
|}

引脚及信号定义如下：<br>
　　<span style="background:#CCCCCC">definition of pin & signal as below：</span><br>
[[文件:myrk3288_mb314_2.1.0.1.png|642px]]<br>
U20
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|U20-1
|C1+
|U20-2
|C1+
|-
|U20-3
|C1-	
|U20-4
|V-
|-
|U20-5	
|C2-
|U20-6
|V-
|-
|U20-7
|T2OUT
|U20-8	
|R2IN
|-
|U20-9
|R2OUT
|U20-10	
|T2IN	
|-
|U20-11
|T1IN
|U20-12
|R1OUT
|-
|U20-13
|R1IN
|U20-14
|T1OUT
|-
|U20-15
|GND
|U20-16	
|VCC
|}


== '''GPS''' ==
丝印(silkscreen): U24<br>
模块型号：NEO-6M<br>
<span style="background:#CCCCCC">module model：NEO-6M</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.2.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|U24-1
|Reserved1
|U24-2
|NC
|-
|U24-3
|TIMEPULSE	
|U24-4
|EXTINT0
|-
|U24-5	
|USB_DM
|U24-6
|USB_DP
|-
|U24-7
|VDDUSB
|U24-8	
|Reserved2
|-
|U24-9
|VCC_RF
|U24-10
|GND1	
|-
|U24-11
|RF_IN
|U24-12
|GND2
|-
|U24-13
|GND3
|U24-14~19
|NC
|-
|U24-20
|TXD1
|U24-21
|RXD1
|-
|U24-22
|V_BCKP
|U24-23
|VCC	
|-
|U24-24
|GND
|
|
|}


== '''TF卡座''' ==
丝印(silkscreen): U22<br>
接口属性：标准TF卡座<br>
<span style="background:#CCCCCC">interface property：standard TF card cassette</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.3.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|U22-1
|SDMMC_D2
|U22-2
|SDMMC_D3
|-
|U22-3
|SDMMC_CMD	
|U22-4
|VDD
|-
|U22-5	
|SDMMC_CLK
|U22-6
|VSS
|-
|U22-7
|SDMMC_D0
|U22-8
|SDMMC_D1
|-
|U22-9
|SDMMC_DET
|U22-10
|GND_01
|-
|U22-11
|GND_02
|U22-12
|GND_03
|-
|U22-13
|GND_04
|
|
|}


== '''HDMI''' ==
丝印(silkscreen)：J14<br>
接口属性：HDMI-1.4标准接口<br>
<span style="background:#CCCCCC">interface property：HDMI-1.4 standard interface</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.4.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J14-1
|HDMI_TX2P
|J14-11
|CK_SHIELD
|-
|J14-2
|D2_SHIELD	
|J14-12
|HDMI_TXCN
|-
|J14-3
|HDMI_TX2N
|J14-13
|HDMI_CEC
|-
|J14-4
|HDMI_TX1P
|J14-14
|HEC
|-
|J14-5
|D1_SHIELD
|J14-15
|12C_CLK
|-
|J14-6
|HDMI_TX1N
|J14-16
|12C_DADT
|-
|J14-7
|HDMI_TX0P
|J14-17
|GND
|-
|J14-8
|D0_SHIELD
|J14-18
| +5V
|-
|J14-9
|HDMI_TX0N
|J14-19
|HOT_PLUG_DET
|-
|J14-10
|HDMI_TXCP
|G1-G4
|HDMI_CHASSIS
|}


== '''CIF''' ==
丝印(silkscreen)：J17<br>
接口属性：CIF摄像头接口<br>
<span style="background:#CCCCCC">interface property：CIF Camera interface</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.5.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J17-1
|NC
|J17-13
|CIF_CLKOUT
|-
|J17-2
|GND	
|J17-14
|CIF_D6
|-
|J17-3
|CIF_SDA
|J17-15
|GND
|-
|J17-4
|VCC28_DVP
|J17-16
|CIF_D5
|-
|J17-5
|CIF_SCL
|J17-17
|CIF_CLKIN
|-
|J17-6
|CIF_RST
|J17-18
|CIF_D4
|-
|J17-7
|CIF_VSYNC
|J17-19
|CIF_D0
|-
|J17-8
|CIF_PDN0
|J17-20
|CIF_D3
|-
|J17-9
|CIF_HRER
|J17-21
|CIF_D1
|-
|J17-10
|C_DVDD
|J17-22
|CIF_D2
|-
|J17-11
|VCC18_DVP
|J17-23
|NC
|-
|J17-12
|CIF_D7
|J17-24
|NC
|}


== '''MIPI-CSI''' ==
丝印(silkscreen)：J19<br>
接口属性：MIPI-CSI摄像头接口<br>
<span style="background:#CCCCCC">interface property：MIPI-CSI Camera interface</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.6.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J19-1
|NC
|J19-16
|MIPI_RX_D3P
|-
|J19-2
|VCC_2V8	
|J19-17
|GND
|-
|J19-4
|VCC18_DVP
|J19-19
|MIPI_RX_D2P
|-
|J19-5
|NC
|J19-20
|MIPI_RX_D2N
|-
|J19-6
|GND
|J19-21
|GND
|-
|J19-7
|VCC28_DVP
|J19-22
|MIPI_RX_D1P
|-
|J19-8
|GND
|J19-23
|MIPI_RX_D1N
|-
|J19-9
|CSI2-SDA
|J19-24
|GND
|-
|J19-10
|CSI2-SCL
|J19-25
|MIPI_CLKP
|-
|J19-11
|MIPI_RST_1V8
|J19-26
|MIPI_CLKN
|-
|J19-12
|PWDN1
|J19-27
|GND
|-
|J19-13
|GND
|J19-28
|MIPI_RX_D0P
|-
|J19-14
|MIPI_CLKIN
|J19-29
|MIPI_RX_D0N
|-
|J19-15
|GND
|J19-30
|GND
|}


== '''SINGEL LVDS''' ==
丝印(silkscreen)：J8<br>
接口属性：单路LVDS接口，用于连接MY-LCD_LVDS液晶板<br>
<span style="background:#CCCCCC">interface property：Single way LVDS interface for connecting MY-LCD_LVDS LCD panel</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.7.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J8-1
|LVDS_D1N
|J8-14
|LVDS_CLK0P
|-
|J8-2
|LVDS_D1P	
|J8-15
|GND
|-
|J8-3
|GND
|J8-16
|GPIO_B5
|-
|J8-4
|LVDS_D0P
|J8-17
|GPIO_B6
|-
|J8-5
|LVDS_D0N
|J8-18
|GND
|-
|J8-6
|GND
|J8-19
|LCDC_BL
|-
|J8-7
|LVDS_D3N
|J8-20
|GND
|-
|J8-8
|LVDS_D3P
|J8-21
|TOUCH_SCL
|-
|J8-9
|GND
|J8-22
|TOUCH_SDA
|-
|J8-10
|LVDS_D2P
|J8-23~25
|GND
|-
|J8-11
|LVDS_D2N
|J8-26~30
|5V IN
|-
|J8-12
|GND
|8-31~40
|NC
|-
|J8-13
|LVDS_CLK0N
|
|
|}


== '''EDP''' ==
丝印(silkscreen)：J7<br>
接口属性：EDP屏接口，用于连接15.6寸EDP显示屏<br>
<span style="background:#CCCCCC">interface property：EDP screen interface for connecting the 15.6-inch EDP display</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.8.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J7-1
|NC
|J7-16
|GND
|-
|J7-2
|GND	
|J7-17
|EDP_HPD
|-
|J7-3
|EDP_TX1N
|J7-18
|GND
|-
|J7-4
|EDP_TX1P
|J7-19
|GND
|-
|J7-5
|GND
|J7-20
|GND
|-
|J7-6
|EDP_TX0N
|J7-21
|GND
|-
|J7-7
|EDP_TX0P
|J7-22
|BL_EN
|-
|J7-8
|GND
|J7-23
|EDP_BL
|-
|J7-9
|EDPAUXP
|J7-24
|NC
|-
|J7-10
|EDPAUXN
|J7-25
|NC
|-
|J7-11
|GND
|J7-26
|BL_12V
|-
|J7-12
|GEN_3V3
|J7-27
|BL_12V
|-
|J7-13
|GEN_3V3
|J7-28
|BL_12V
|-
|J7-14
|NC
|J7-29
|BL_12V
|-
|J7-15
|GND
|J7-30
|GND
|}


== '''BL''' ==
丝印(silkscreen)：J5<br>
接口属性：背光12V输出，用于给设备外接屏供给12V背光电压<br>
<span style="background:#CCCCCC">interface property：Backlight output of 12V, used to supply 12V backlight voltage to the external screen of equipment</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.9.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J5-1
|GND
|J5-4
|BL_EN
|-
|J5-2
|GND	
|J5-5
|BL_12V
|-
|J5-3
|EDP_BL
|J5-6
|BL_12V
|}


== '''DUAL LVDS''' ==
丝印(silkscreen)：J9<br>
接口属性：双路LVDS接口<br>
<span style="background:#CCCCCC">interface property：LVDS Dual interface</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.10.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J9-1
|5V IN
|J9-2
|5V IN
|-
|J9-3
|5V IN	
|J9-4
|GND
|-
|J9-5
|GND
|J9-6
|GND
|-
|J9-7
|LVDS_D0N
|J9-8
|LVDS_D0P
|-
|J9-9
|LVDS_D1N
|J9-10
|LVDS_D1P
|-
|J9-11
|LVDS_D2N
|J9-12
|LVDS_D2P
|-
|J9-13
|GND
|J9-14
|GND
|-
|J9-15
|LVDS_CLK0N
|J9-16
|LVDS_CLK0P
|-
|J9-17
|LVDS_D3N
|J9-18
|LVDS_D3P
|-
|J9-19
|LVDS_D5N
|J9-20
|LVDS_D5P
|-
|J9-21
|LVDS_D6N
|J9-22
|LVDS_D6P
|-
|J9-23
|LVDS_D7N
|J9-24
|LVDS_D7P
|-
|J9-25
|GND
|J9-26
|GND
|-
|J9-27
|LVDS_CLK1N
|J9-28
|LVDS_CLK1P
|-
|J9-29
|LVDS_D8N
|J9-30
|LVDS_D8P
|}


== '''HP JACK''' ==
丝印(silkscreen)：P15<br>
接口属性：音频接口，用于耳机音频输出以及MIC输入<br>
<span style="background:#CCCCCC">interface property：Audio interface for earphone audio output and MIC input</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.11.0.1.png|642px]]<br>
U32
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|U32-1
|12S0_CLK
|U32-6
|12S0_SDO0
|-
|U32-2
|AUD_3V3
|U32-7
|12S0_LRCK_RX/TX
|-
|U32-3
|AUD_3V3
|U32-8
|12S0_SDI
|-
|U32-4
|AAGND
|U32-27
|CODEC_12C_DAT
|-
|U32-5
|12S0_SCLK
|U32-28
|CODEC_12C_CLK
|}


== '''OTG''' ==
丝印(silkscreen)： J1<br>
接口属性：USB OTG接口<br>
<span style="background:#CCCCCC">interface property：USB OTG Interface</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.12.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J1-1
|OTG_DET
|J1-6
|GND
|-
|J1-2
|OTG_DM
|J1-7
|GND
|-
|J1-3
|OTG_DP
|J1-8
|GND
|-
|J1-4
|OTG_ID
|J1-9
|GND
|-
|J1-5
|GND
|
|
|}


== '''USB HOST''' ==
丝印(silkscreen)：J10<br>
接口属性：双层USB接口，通过LAN9514扩展出来的host接口<br>
<span style="background:#CCCCCC">interface property：Dual USB interface, extended by LAN9514 host interface</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.13.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J10-1
|PWR1
|J10-7
|USBSN_DP2_B
|-
|J10-2
|USBSN_DM1_B
|J10-8
|GND
|-
|J10-3
|USBSN_DP1_B
|J10-9
|GND
|-
|J10-4
|GND
|J10-10
|GND
|-
|J10-5
|PWR2
|J10-11
|GND
|-
|J10-6
|USBSN_DM2_B
|J10-12
|GND
|}


== '''10M/100M Ethernet''' ==
丝印(silkscreen)：P1<br>
接口属性：标准百兆网接口，通过LAB9514扩展出来的以太网接口，10M/100M自适应<br>
<span style="background:#CCCCCC">interface property：Standard gigabit interface, extended Ethernet interface via LAB9514, 10M/100M self-adaption</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.14.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|P1-1
|TXP0
|P1-7
|NC
|-
|P1-2
|TXN0
|P1-8
|GND
|-
|P1-3
|RXP0
|P1-9
|GEN_3V3
|-
|P1-4
|GND
|P1-10
|nSPD_LED_GPIO2
|-
|P1-5
|GEN_3V3
|P1-11
|nLNKA_LED_GPIO2
|-
|P1-6
|RXN0
|P1-12
|GEN_3V3
|}


== '''USB to WIFI''' ==
丝印(silkscreen)：U26<br>
模块型号：UM12BS<br>
<span style="background:#CCCCCC">Module model: UM12BS</span><br>
模块描述：USB转WIFI<br>
<span style="background:#CCCCCC">Module description: USB is used as USB-WIFI interface</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.15.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|U26-1
|GND
|U26-4
|USBDN_DM3_B
|-
|U26-2
|ANTENNA_1
|U26-5
|USBDN_DP3_B
|-
|U26-3
|GEN_3V3
|U26-6
|GND
|}


== '''1000M Ethernet''' ==
丝印(silkscreen)：U13<br>
接口属性：千兆以太网接口，10M/100M/1000M自适应<br>
<span style="background:#CCCCCC">interface property：Gigabit Ethernet interface, 10M/100M/1000M adaptive</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.16.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|U13-1
|TEST POINT
|U13-8
|NRGMI_D_P
|-
|U13-2
|RGMI_A_P
|U13-9
|RGMI_D_N
|-
|U13-3
|RGMI_A_N
|U13-10
|GND
|-
|U13-4
|RGMI_B_P
|U13-11
|RGMI_3V3_A
|-
|U13-5
|RGMI_C_P
|U13-12
|RGMI_LED2
|-
|U13-6
|RGMI_C_N
|U13-13
|RGMI_LED1
|-
|U13-7
|RGMI_B_N
|U13-14
|RGMI_3V3_A
|}


== '''mini-PCIE''' ==
丝印(silkscreen)：J13<br>
接口属性：标准mini-PCIE接口<br>
<span style="background:#CCCCCC">interface property：standard MINI-PCIE port</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.17.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J13-1
|NC
|J13-2
|GEN_3V3
|-
|J13-3
|NC
|J13-4
|GND
|-
|J13-5
|NC
|J13-6
|NC
|-
|J13-7
|NC
|J13-8
|PCLE_UIM_PWR
|-
|J13-9
|GND
|J13-10
|PCLE_UIM_DATA
|-
|J13-11
|NC
|J13-12
|PCLE_UIM_CLK
|-
|J13-13
|NC
|J13-14
|PCLE_UIM_RST
|-
|JJ13-15
|GND
|J13-16
|PCLE_UIM_VPP
|-
|J13-17
|NC
|J13-18
|GND
|-
|J13-19
|NC
|J13-20
|NC
|-
|J13-21
|GND
|J13-22
|NC
|-
|J13-23
|NC
|J13-24
|NC
|-
|J13-25
|NC
|J13-26
|GND
|-
|J13-27
|GND
|J13-28
|NC
|-
|J13-29
|GND
|J13-30
|NC
|-
|J13-31
|NC
|J13-32
|NC
|-
|J13-33
|NC
|J13-34
|GND
|-
|J13-35
|GND
|J13-36
|USB_D-
|-
|J13-37
|GND
|J13-38
|USB_D+
|-
|J13-39
|GEN_3V3
|J13-40
|GND
|-
|J13-41
|GEN_3V3
|J13-42
|LED_WWAN_B
|-
|J13-43
|GND
|J13-44
|NC
|-
|J13-45
|NC
|J13-46
|NC
|-
|J13-47
|NC
|J13-48
|NC
|-
|J13-49
|NC
|J13-50
|GND
|-
|J13-51
|NC
|J13-52
|GEN_3V3
|}


== '''电压跳线选择(Voltage jumper selection)''' ==
丝印(silkscreen)：J15<br>
接口属性：5V/3.3V跳线<br>
<span style="background:#CCCCCC">interface property：5V/3.3V Voltage jumper selection</span><br>
[[文件:myrk3288_mb314_2.18.0.1.png|642px]]


== '''USB to UART''' ==
丝印(silkscreen)：J16<br>
接口属性：USB扩展UART接口<br>
<span style="background:#CCCCCC">interface property：USB expansion UART interface</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.19.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J16-1
|GEN_3V3
|J16-2
|GEN_3V3
|-
|J16-3
|USB_TXD
|J16-4
|USB_RXD
|-
|J16-5
|USB_nRTS
|J16-6
|USB_nCTS
|-
|J16-7
|USB_nDTR
|J16-8
|USB_nDSR
|-
|J16-11
|NC
|J16-12
|NC
|-
|J16-13
|USB_CBUS0
|J16-14
|USB_CBUS1
|-
|J16-15
|USB_CBUS2
|J16-16
|USB_CBUS3
|-
|J16-17
|USB_CBUS4
|J16-18
|NC
|-
|J16-19
|GND
|J16-20
|GND
|}


== '''WIFI''' ==
丝印(silkscreen): E1<br>
接口属性：标准WIFI天线座<br>
<span style="background:#CCCCCC">interface property：standard antenna pedesta</span><br>
[[文件:myrk3288_mb314_2.20.0.1.png|642px]]


== '''DC IN''' ==
丝印(silkscreen): J3<br>
接口属性：外部5V主电源输入，2.5A<br>
<span style="background:#CCCCCC">interface property：External 5V main power input, 2.5a</span><br>
[[文件:myrk3288_mb314_2.21.0.1.png|642px]]


== '''电源开关(power switch)''' ==
丝印(silkscreen): J2<br>
接口属性：主电源开关<br>
<span style="background:#CCCCCC">interface property：main power switch</span><br>
状态属性：—，闭合，O，断开<br>
<span style="background:#CCCCCC"> Status attribute: --, close, O, break</span><br>
[[文件:myrk3288_mb314_2.22.0.1.png|642px]]


== '''12V IN''' ==
丝印(silkscreen)：J4<br>
接口属性：外部12V输入<br>
<span style="background:#CCCCCC">interface property：External 12V  power input</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.23.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J4-1
|BL_12V
|J4-3
|GND
|-
|J4-2
|BL_12V
|J4-4
|GND
|}
  

== '''RESET''' ==
丝印(silkscreen): SW4<br>
按键属性：复位按键<br>
<span style="background:#CCCCCC">Key attributes：Reset</span><br>
[[文件:myrk3288_mb314_2.24.0.1.png|642px]]


== '''SLEEP WAKE''' ==
丝印(silkscreen): SW3<br>
按键属性：系统开关机按键，长按1秒开机，长按3秒关机<br>
<span style="background:#CCCCCC">Key attributes: system switch key, long press 1 second to start up, long press 3 seconds to shut down</span><br>
[[文件:myrk3288_mb314_2.25.0.1.png|642px]]


== '''VOL +''' ==
丝印(silkscreen): SW2<br>
按键属性：控制音量（音量加）<br>
<span style="background:#CCCCCC">Key attributes: control volume (volume plus)</span><br>
[[文件:myrk3288_mb314_2.26.0.1.png|642px]]


== '''VOL –''' ==
丝印(silkscreen): SW1<br>
按键属性：控制音量（音量减）<br>
<span style="background:#CCCCCC">Key attributes: control volume (volume reduction)</span><br>
[[文件:myrk3288_mb314_2.27.0.1.png|642px]]


== '''RECOVER''' ==
丝印(silkscreen): SW5<br>
按键属性：烧写按键，与开机键(SW3)同时按下，进入烧写模式<br>
<span style="background:#CCCCCC">Key attributes: burn the write button, press it at the same time as the start button (SW3), and enter the burn write mode</span><br>
[[文件:myrk3288_mb314_2.28.0.1.png|642px]]


== '''扩展接口（extension interface）''' ==
丝印(silkscreen)：J11<br>
接口属性：空闲管脚，用于扩展应用<br>
<span style="background:#CCCCCC">Interface properties: free pins for extending applications</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.29.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)	
!功能信号名称<br>(signal name)	
!引脚<br>(pin)	
!功能信号名称<br>(signal name)
|-
|J11-1
|5V IN
|J11-2
|GEN_3V3
|-
|J11-3
|5V IN
|J11-4
|GEN_3V3
|-
|J11-5
|NC
|J11-6
|HSIC_DATA
|-
|J11-7
|LIGHT_INT
|J11-8
|HSIC_STROBE
|-
|J11-9
|GSEN_INT
|J11-10
|CABC_EN
|-
|J11-11
|TOUCH_INT
|J11-12
|FLASH_EN
|-
|J11-13
|LCD_RST
|J11-14
|SPK_CTL
|-
|J11-15
|LCD_EN
|J11-16
|PMUGPIO0_B5
|-
|J11-17
|TOUCH_RST
|J11-18
|OTG_VBUS_DRV
|-
|J11-19
|FLASH_TRIGOUT
|J11-20
|PMUGPIO0_B5
|-
|J11-21
|GPIO7_B1
|J11-22
|EFUSE_PWR
|-
|J11-23
|NC
|J11-24
|GND
|-
|J11-25
|5V_DRV
|J11-26
|ADC_1N1
|-
|J11-27
|GPIO5_C2
|J11-28
|GND
|-
|J11-29
|UART1_RST
|J11-30
|ADC_1N0
|-
|J11-31
|SPI0_CSn1
|J11-32
|GND
|-
|J11-33
|SPI0_RXD
|J11-34
|SPI2_MOS1
|-
|J11-35
|SPI0_TXD
|J11-36
|SPI2_nCS0
|-
|J11-37
|SPI0_CSn0
|J11-38
|SPI2_MISO
|-
|J11-39
|GND
|J11-40
|GND
|-
|J11-41
|SPI0_CLK
|J11-42
|SPI2_CLK
|-
|J11-43
|GND
|J11-44
|GND
|-
|J11-45
|UART1_CTS
|J11-46
|FLASH0_RDY
|-
|J11-47
|GND
|J11-48
|FLASH0_CLE
|-
|J11-49
|SPDIF_TX
|J11-50
|FLASH0_ALE
|-
|J11-51
|GND
|J11-52
|FLASH0_CS0
|-
|J11-53
|GND
|J11-54
|GND
|-
|J11-55
|GND
|J11-56
|GND
|}


== '''JTAG''' ==
丝印(silkscreen)：U19<br>
接口属性：JTAG接口<br>
<span style="background:#CCCCCC">Interface properties: JTAG interface</span><br>
引脚及信号定义：<br>
　　<span style="background:#CCCCCC">definition of pin & signal：</span><br>
[[文件:myrk3288_mb314_2.30.0.1.png|642px]]
{| class="wikitable"
|-
!引脚<br>(pin)
!信号<br>(signal)		
!描述<br>(description)	
!引脚<br>(pin)
!信号<br>(signal)	
!描述<br>(description)	
|-
|U19-1
|JTAG_TCK
|测试时钟输入(TCK input)
|U19-2
|GND
|数字地 (digital ground)
|-
|U19-3	
|JTAG_TDO
|测试数据输出(test data output)
|U19-4
|VCC
|3.3V输入
|-
|U19-5
|JTAG_TMS
|测试模式选择(test mode selection)
|U19-6
|nRST
|复位 (reset)
|-
|U19-7	
|NC
|未连接	(unconnected)
|U19-8	
|NC
|未连接	(unconnected)
|-
|U19-9
|JTAG_TDI
|测试数据输入(test mode selection)
|U19-10
|GND
|数字地 (digital ground)
|}


== '''RTC电池座（RTC battery holder）''' ==
丝印(silkscreen):BT1<br>
接口属性：RTC纽扣电池接口<br>
<span style="background:#CCCCCC">Interface property: RTC button battery interface</span><br>
[[文件:myrk3288_mb314_2.31.0.1.png|642px ]]

== '''MXM314''' ==
丝印(silkscreen):U14<br>
接口属性：核心板接口，用于连接MY-RK3288_CB314核心板<br>
<span style="background:#CCCCCC">Interface property: RTC button battery interface</span><br>
管脚功能定义详见[[MY-RK3288-CB314 硬件介绍|MY-RK3288-CB314 硬件介绍]]<br>
<span style="background:#CCCCCC">Pin function is defined as my-rk3288_cb314</span><br>