查看“MYZR-IMX8M-MB300 hardware introduction”的源代码

<div>

= '''Interface overview''' =

----
== ''''IMX8M-EK300 Front view''' ==
[[文件:IMX8M-EK300-front.png|642px]]

== ''''IMX8M-EK300 Rear view''' ==
[[文件:IMX8M-EK300-back.png|642px]]

== ''''IMX8M-EK300 Dimensions''' ==
[[文件:IMX8M-EK300-size.png|642px]]

= '''Interface function''' =

----
== '''WIFI、BT antenna''' ==
Silk screen：WIFI_ANT、WIFI/BT_ANT、BT_ANT  
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-WIFI_ANT.png|642px]]<br>
[[文件:IMX8M-EK300-WIFI&BT_ANT.png|642px]]<br>
[[文件:IMX8M-EK300-BT_ANT.png|642px]]<br>

== '''TFcard''' ==
Silk screen：J5    
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-TF.png|642px]]<br>

== '''Debug serial port''' ==
Silk screen：J1    
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-debug.png|642px]]<br>
{| class="wikitable"
|-
|Used pins
|Features
|-
|UART1_TXD	
|MCUDebug serial data output
|-
|UART2_TXD 
|CPUDebug serial data output
|-
|UART1_RXD 
|MCUDebug serial data reception
|-
|UART2_RXD 
|CPUDebug serial data reception
|}

== '''MIPI_DSI interface''' ==
Silk screen：J2<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-MIPI_DSI.png|642px]]<br>

{| class="wikitable"
|-
|Pin
|signal	
|description	
|Pin	
|signal	
|description   
|-
|J2-1
|rowspan=3|DCDC_5V
|rowspan=3|5V Output	
|J2-16
|DSI_DN0	
|DSI Differential data 0
|-
|J2-2	
|J2-17	
|GND	
|DGND	
|-
|J2-3	
|J2-18	
|DSI_CKP
|DSI Differential clock 	
|-
|J2-4	
|rowspan=2|VDD_3V3	
|rowspan=2|3.3V Output	
|J2-19	
|DSI_CKN	
|DSI Differential clock 
|-
|J2-5	
|J2-20	
|GND	
|DGND	
|-
|J2-6	
|rowspan=2|VDD_1V8	
|rowspan=2|1.8V Output	
|J2-21	
|DSI_DP1	
|DSI Differential data 1
|-
|J2-7		
|J2-22	
|DSI_DN1	
|DSI Differential data 1
|-
|J2-8	
|SDIO_WAKE	
|GPIO control 	
|J2-23	
|GND	
|DGND
|-
|J2-9	
|DSI_EN	
|GPIO control 	
|J2-24	
|DSI_DP3	
|DSI Differential data 3
|-
|J2-10	
|DSI_BL_PWM	
|GPIO control 	
|J2-25	
|DSI_DN3	
|DSI Differential data 3
|-
|J2-11	
|GND	
|DGND	
|J2-26	
|GND	
|DGND
|-
|J2-12	
|DSI_DP2	
|DSI Differential data 2	
|J2-27	
|I2C3_SCL	
|touch I2Csignal
|-
|J2-13	
|DSI_DN2	
|DSI Differential data 2	
|J2-28	
|I2C3_SDA	
|touch I2Csignal
|-
|J2-14	
|GND	
|DGND	
|J2-29	
|DSI_TS_nINT	
|GPIO control 
|-
|J2-15	
|DSI_DP0	
|DSI Differential data 0	
|J2-30	
|DSI_TS_nRST	
|GPIO control 
|-
|}

== '''MIPI_CSI1 interface''' ==
Silk screen：J3<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-MIPI_CSI1.png|642px]]<br>

{| class="wikitable"
|-
|Pin
|signal	
|description	
|Pin	
|signal	
|description   
|-
|J3-1
|rowspan=2|DCDC_5V
|rowspan=2|5V Output	
|J3-16
|CSI_P1_DP3	
|CSI Differential data 3
|-
|J3-2	
|J3-17	
|CSI_P1_DN3	
|CSI Differential data 3	
|-
|J3-3	
|rowspan=2|VDD_1V8
|rowspan=2|1.8V Enter 
|J3-18	
|GND
|DGND	
|-
|J3-4		
|J3-19	
|CSI_P1_DP2	
|CSI Differential data 2
|-
|J3-5	
|rowspan=2|VDD_3V3
|rowspan=2|3.3V Enter 
|J3-20	
|CSI_P1_DN2	
|CSI Differential data 2	
|-
|J3-6		
|J3-21	
|GND	
|DGND
|-
|J3-7	
|GND
|DGND	
|J3-22	
|CSI_P1_DP1	
|CSI Differential data 1
|-
|J3-8	
|GND	
|DGND	
|J3-23	
|CSI_P1_DN1	
|CSI Differential data 1
|-
|J3-9	
|I2C1_SDA_1V8	
|I2Csignal，1.8V	
|J3-24	
|GND	
|DGND
|-
|J3-10	
|I2C1_SCL_1V8	
|I2Csignal，1.8V	
|J3-25	
|CSI_P1_CKP	
|CSI Differential clock 
|-
|J3-11	
|CSI_nRST	
|GPIO control 	
|J3-26	
|CSI_P1_CKN	
|CSI Differential clock 
|-
|J3-12	
|CSI_P1_PWDN	
|GPIO control 	
|J3-27	
|GND	
|DGND
|-
|J3-13	
|GND	
|DGND	
|J3-28	
|CSI_P1_DP0	
|CSI Differential data 0
|-
|J3-14	
|CSI1_CLK	
|CSI clock 	
|J3-29	
|CSI_P1_DN0	
|CSI Differential data 0
|-
|J3-15	
|GND	
|DGND	
|J3-30	
|GND	
|DGND
|-
|}

== '''MIPI_CSI2 interface''' ==
Silk screen：J4<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-MIPI_CSI2.png|642px]]<br>

{| class="wikitable"
|-
|Pin
|signal	
|description	
|Pin	
|signal	
|description   
|-
|J4-1
|rowspan=2|DCDC_5V
|rowspan=2|5V Output	
|J4-16
|CSI_P2_DP3	
|CSI Differential data 3
|-
|J4-2	
|J4-17	
|CSI_P2_DN3	
|CSI Differential data 3	
|-
|J4-3	
|rowspan=2|VDD_1V8
|rowspan=2|1.8V Enter 
|J4-18	
|GND
|DGND	
|-
|J4-4		
|J4-19	
|CSI_P2_DP2	
|CSI Differential data 2
|-
|J4-5	
|rowspan=2|VDD_3V3
|rowspan=2|3.3V Enter 
|J4-20	
|CSI_P2_DN2	
|CSI Differential data 2	
|-
|J4-6		
|J4-21	
|GND	
|DGND
|-
|J4-7	
|GND
|DGND	
|J4-22	
|CSI_P2_DP1	
|CSI Differential data 1
|-
|J4-8	
|GND	
|DGND	
|J4-23	
|CSI_P2_DN1	
|CSI Differential data 1
|-
|J4-9	
|I2C2_SDA_1V8	
|I2Csignal，1.8V	
|J4-24	
|GND	
|DGND
|-
|J4-10	
|I2C1_SCL_1V8	
|I2Csignal，1.8V	
|J4-25	
|CSI_P2_CKP	
|CSI Differential clock 
|-
|J4-11	
|CSI_nRST	
|GPIO control 	
|J4-26	
|CSI_P2_CKN	
|CSI Differential clock 
|-
|J4-12	
|CSI_P2_PWDN	
|GPIO control 	
|J4-27	
|GND	
|DGND
|-
|J4-13	
|GND	
|DGND	
|J4-28	
|CSI_P2_DP0	
|CSI Differential data 0
|-
|J4-14	
|CSI2_CLK	
|CSI clock 	
|J4-29	
|CSI_P2_DN0	
|CSI Differential data 0
|-
|J4-15	
|GND	
|DGND	
|J4-30	
|GND	
|DGND
|-
|}

== '''PCIe 1x interface''' ==
Silk screen：J6<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-PCIe 1x.png|642px]]<br>

{| class="wikitable"
|-
|Pin
|signal	
|description	
|Pin	
|signal	
|description   
|-
|J6-1B
|rowspan=2|VPCIe_12V
|rowspan=2|12V power supply 	
|J6-1A
|GND	
|DGND
|-
|J6-2B	
|J6-2A	
|VPCIe_12V	
|12V power supply 	
|-
|J6-3B	
|NC
|
|J6-3A	
|VPCIe_12V
|12V power supply 	
|-
|J6-4B	
|GND
|DGND	
|J6-4A	
|GND	
|DGND
|-
|J6-5B	
|I2C2_SCL
|I2Csignal
|J6-5A	
|NC	
|	
|-
|J6-6B	
|I2C2_SDA	
|I2Csignal
|J6-6A	
|NC	
|
|-
|J6-7B	
|GND
|DGND	
|J6-7A	
|NC	
|
|-
|J6-8B	
|VDD_3V3	
|3.3V power supply 	
|J6-8A	
|NC	
|
|-
|J6-9B	
|NC	
|
|J6-9A	
|VDD_3V3	
|3.3V power supply 
|-
|J6-10B	
|VDD_3V3	
|3.3V power supply 	
|J6-10A	
|VDD_3V3	
|3.3V power supply 
|-
|J6-11B	
|GPIO1_IO04	
|GPIO control 	
|J6-11A	
|SAI2_RXC	
|GPIO control 
|-
|J6-12B	
|NC	
|	
|J6-12A	
|GND	
|DGND
|-
|J6-13B	
|GND	
|DGND	
|J6-13A	
|PCIE1_REF_CLKP_CN	
|PCIE reference clock 
|-
|J6-14B	
|PCIE1_TXP	
|PCIE data Output	
|J6-14A	
|PCIE1_REF_CLKN_CN	
|PCIE reference clock 
|-
|J6-15B	
|PCIE1_TXN	
|PCIE data Output	
|J6-15A	
|GND	
|DGND
|-
|J6-16B	
|GND	
|DGND	
|J6-16A	
|PCIE1_RXP	
|PCIE data receive
|-
|J6-17B	
|SAI2_RXD	
|GPIO control 	
|J6-17A	
|PCIE1_RXN	
|PCIE data receive
|-
|J6-18B	
|GND	
|DGND	
|J6-18A	
|GND	
|DGND
|-
|}

== '''Audio interface''' ==
Silk screen：P1    
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-Audio.png|642px]]<br>
{| class="wikitable"
|-
|Used pins
|Features
|-
|SAI2_MCLK	
|Master clock 	
|-
|SAI2_TXC 
|Digital audio bit clock 	
|-
|SAI2_TXFS 
|SAI2_TXFS
|-
|SAI2_TXD 
|Digital audio data Output
|-
|AUD_nMUTE
|Mute enable
|}

== '''JTAG interface''' ==
Silk screen：J10<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-JTAG.png|642px]]<br>

{| class="wikitable"
|-
|Pin
|signal	
|description	
|Pin	
|signal	
|description   
|-
|J10-2	
|JTAG_TMS
|JTAG Mode selection
|J10-1	
|VDD_3V3	
|3.3V power supply 
|-
|J10-4	
|JTAG_TCK	
|JTAG clock  Enter 	
|J10-3	
|GND	
|DGND
|-
|J10-6	
|JTAG_TDO	
|JTAG data Output
|J10-5	
|GND	
|DGND
|-
|J10-8
|JTAG_TDI	
|JTAG data Enter 	
|J10-7	
|VNC	
|
|-
|J10-10
|POR_B	
|Reset	
|J10-9
|GND	
|DGND
|-
|}

== '''HDMI interface''' ==
Silk screen：J11   
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-HDMI1.png|642px]]<br>
[[文件:IMX8M-EK300-HDMI2.png|642px]]<br>
{| class="wikitable"
|-
|Used pins
|Features
|Used pins
|Features
|-
|HDMI_AUXP
|Auxiliary Features interface
|HDMI_TXN2
|HDMI Differential data 2
|-
|HDMI_AUXN
|Auxiliary Features interface
|HDMI_TXP1
|HDMI Differential data 1	
|-
|HDMI_TXP0
|HDMI Differential data 0
|HDMI_TXN1
|HDMI Differential data 1
|-
|HDMI_TXN0
|HDMI Differential data 0
|HDMI_DDC_SDA
|DDC datasignal
|-
|HDMI_CLKP
|HDMI Differential clock 
|HDMI_DDC_SCL
|DDC clock signal
|-
|HDMI_CLKN
|HDMI Differential clock 
|HDMI_HPD
|Hot plug detection
|-
|HDMI_TXP2
|HDMI Differential data 2
|HDMI_CEC
|HDMI Consumer Electronics Agreement
|}

== '''BOOT MODE switch ''' ==
Silk screen：SW1<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-BOOT MODE.png|642px]]<br>
{| class="wikitable"
|-
|mode control 
|1bit
|2bit 
|-
|Flash mode	
|0	
|1
|-
|start up mode 
|1	
|0
|}


== '''BOOT CFG switch ''' ==
Silk screen：SW3<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-BOOT CFG.png|642px]]<br>
{| class="wikitable"
|-
|start up  control 
|1bit
|2bit 
|3bit
|4bit
|-
|eMMC	
|0	
|0
|1
|0
|-
|SD
|1	
|1
|0
|0
|}

== '''Reset switch ''' ==
Silk screen：SW2<br>
Features：Press Reset
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-RESET.png|642px]]<br>

== '''Mini-PCIe/4G &SIM card''' ==
{| class="wikitable"
|-
|name
|Silk screen  
| interface Attributes
|-
|mini-PCIE/4G	
|J14	
|miniPCIE Standard interface，PCIe 2.0 Standard ,Support 4G module
|-
|SIM card Deck
|CON1	
|4G SIM card Deck
|} 
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-MINI_PCIE.png|642px]]<br>
[[文件:IMX8M-EK300-SIM_CARD.png|642px]]<br>
{| class="wikitable"
|-
|Used pins
|Features
|Used pins
|Features
|-
|PCIe_nWAKE
|PCIE wake
|PCIE2_TXP
|PCIE Differential data  Output
|-
|PCIe_nCLKREQ
|PCIE clock request
|PCIe_nDIS
|PCIE Forbid control 	
|-
|PCIE2_REF_CLKN_CN
|PCIE difference reference clock 
|PCIe_nRST
|PCIE bus Reset
|-
|PCIE2_REF_CLKP_CN
|PCIE difference reference clock 
|I2C3_SCL
|I2C clock 
|-
|PCIE2_RXN
|PCIE Differential data  Enter 
|I2C3_SDA
|I2C data
|-
|PCIE2_RXP
|PCIE Differential data  Enter 
|3G_USBDM
|USB differencesignal
|-
|PCIE2_TXN
|PCIE Differential data  Output
|3G_USBDP
|USB differencesignal
|}

== '''fan interface ''' ==
Silk screen：J13<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-FAN.png|642px]]<br>


== '''Extension IO interface ''' ==
Silk screen：J12<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-EXP_CN.png|642px]]<br>
{| class="wikitable"
|-
|Pin
|signal
|Pin
|signal
|-
|J12-1
|SPDIF_TX
|J12-2
|UART4_RXD
|-
|J12-3
|SPDIF_RX
|J12-4
|UART4_TXD	
|-
|J12-5
|SPDIF_EXT_CLK
|J12-6
|SAI1_MCLK
|-
|J12-7
|I2C3_SCL
|J12-8
|JTAG_NTRST
|-
|J12-9
|I2C3_SDA
|J12-10
|SAI1_TXD2
|-
|J12-11
|NAND_nWP
|J12-12
|SAI1_TXD6
|-
|J12-13
|NAND_nWE
|J12-14
|SA12_RXD
|-
|J12-15
|NAND_DATA4
|J12-16
|SA12_RXC
|-
|J12-17
|NAND_DATA1
|J12-18
|SA12_RXFS
|-
|J12-19
|NAND_nREADY
|J12-20
|SAI1_TXD4
|-
|J12-21
|NAND_DATA6
|J12-22
|SAI1_TXD3
|-
|J12-23
|NAND_DATA7
|J12-24
|SAI1_TXD5
|-
|J12-25
|SAI3_MCLK
|J12-26
|SAI1_TXD7
|-
|J12-27
|SAI3_RXC
|J12-28
|SAI1_TXD0
|-
|J12-29
|SAI3_RXFS
|J12-30
|SAI1_RXD5
|-
|J12-31
|rowspan=5|DCDC_5V
|J12-32
|SAI1_TXD1
|-
|J12-33
|J12-34
|SAI1_TXC
|-
|J12-35
|J12-36
|SAI1_RXD2
|-
|J12-37
|J12-38
|SAI1_TXFS
|-
|J12-39
|J12-40
|SAI1_RXD6
|-
|J12-41
|rowspan=5|VSYS
|J12-42
|SAI1_RXD7
|-
|J12-43
|J12-44
|SAI1_RXD0
|-
|J12-45
|J12-46
|SAI1_RXC
|-
|J12-47
|J12-48
|SAI1_RXD3
|-
|J12-49
|J12-50
|SAI1_RXD4
|-
|J12-51
|rowspan=11|GND
|J12-52
|SAI5_RXD2
|-
|J12-53
|J12-54
|SAI5_RXD1
|-
|J12-55
|J12-56
|SAI5_MCLK
|-
|J12-57
|J12-58
|SAI1_RXFS
|-
|J12-59
|J12-60
|SAI5_RXFS
|-
|J12-61
|J12-62
|SAI5_RXD3
|-
|J12-63
|J12-64
|SAI5_RXD0
|-
|J12-65
|J12-66
|SAI5_RXC
|-
|J12-67
|J12-68
|ONOFF
|-
|J12-69
|J12-70
|GPIO1_IO04
|-
|J12-71
|J12-72
|NAND_nCE3
|-
|J12-73
|NAND_DATA5
|J12-74
|NAND_DATAO
|-
|J12-75
|NAND_DATA3
|J12-76
|NAND NCE2
|-
|J12-77
|NAND_DATA2
|J12-78
|NAND_ALE
|-
|J12-79
|USB1_SS_SEL
|J12-80
|NAND_nCE0
|}


== '''Master power supply  switch ''' ==
Silk screen：SW4<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-POWER SW.png|642px]]<br>

== '''Master power supply  Enter  ''' ==
Silk screen：J19<br>
 interface Attributes：Internal positive and negative socket, 12V voltage
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-POWER IN.png|642px]]<br>


== '''Bootloader interface ''' ==
Silk screen：J15<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-BOOTLOADER.png|642px]]<br>
{| class="wikitable"
|-
|Used pins
|Features
|-
|USB1_VBUS
|VBUS Detection
|-
|USB1_DN
|USB Differential data 
|-
|USB1_DP
|USB Differential data 
|-
|USB1_RXN
|USB Differential data  Enter 
|-
|USB1_RXP
|USB Differential data  Enter 
|-
|USB1_TXN
|USB Differential data  Output
|-
|USB1_TXP
|USB Differential data  Output
|}

== '''USB Extended serial port RS-485&RS-232 ''' ==
Silk screen：J17<br>
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-UART.png|642px]]<br>
{| class="wikitable"
|-
|Pin
|signal
|Pin
|signal
|-
|RS232_TX1
|RS-232signal Output
|RS232_RX1
|RS-232signal receive
|-
|RS232_TX2
|RS-232signal Output
|RS232_RX2
|RS-233signal receive
|-
|RS482_A1
|RS-485 differencesignal+
|RS482_B1
|RS-485 differencesignal-
|-
|RS482_A2
|RS-485 differencesignal+
|RS482_B2
|RS-485 differencesignal-
|}

== '''USB expansion dual USB HOST ''' ==
Silk screen：J18<br>
 interface Attributes：USB2 extension USB2.0&USB3.0，USB TYPE-A interface
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-USB.png|642px]]<br>


== '''Ethernet  interface ''' ==
Silk screen：J16<br>
 interface Attributes：RGMII，stand by 10/100/1000M
The pins and signals are defined as follows：<br>
[[文件:IMX8M-EK300-ETH.png|642px]]<br>


</div>