MYZR-IMX8M-MB300 hardware introduction

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Interface overview

'IMX8M-EK300 Front view

IMX8M-EK300-front.png

'IMX8M-EK300 Rear view

IMX8M-EK300-back.png

'IMX8M-EK300 Dimensions

IMX8M-EK300-size.png

Interface function

WIFI、BT antenna

Silk screen：WIFI_ANT、WIFI/BT_ANT、BT_ANT The pins and signals are defined as follows：
IMX8M-EK300-WIFI ANT.png
IMX8M-EK300-WIFI&BT ANT.png
IMX8M-EK300-BT ANT.png

TFcard

Silk screen：J5 The pins and signals are defined as follows：
IMX8M-EK300-TF.png

Debug serial port

Silk screen：J1 The pins and signals are defined as follows：
IMX8M-EK300-debug.png

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
The pins and signals are defined as follows：
IMX8M-EK300-MIPI DSI.png

Pin signal description Pin signal description
J2-1 DCDC_5V 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 VDD_3V3 3.3V Output J2-19 DSI_CKN DSI Differential clock
J2-5 J2-20 GND DGND
J2-6 VDD_1V8 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
The pins and signals are defined as follows：
IMX8M-EK300-MIPI CSI1.png

Pin signal description Pin signal description
J3-1 DCDC_5V 5V Output J3-16 CSI_P1_DP3 CSI Differential data 3
J3-2 J3-17 CSI_P1_DN3 CSI Differential data 3
J3-3 VDD_1V8 1.8V Enter J3-18 GND DGND
J3-4 J3-19 CSI_P1_DP2 CSI Differential data 2
J3-5 VDD_3V3 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
The pins and signals are defined as follows：
IMX8M-EK300-MIPI CSI2.png

Pin signal description Pin signal description
J4-1 DCDC_5V 5V Output J4-16 CSI_P2_DP3 CSI Differential data 3
J4-2 J4-17 CSI_P2_DN3 CSI Differential data 3
J4-3 VDD_1V8 1.8V Enter J4-18 GND DGND
J4-4 J4-19 CSI_P2_DP2 CSI Differential data 2
J4-5 VDD_3V3 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
The pins and signals are defined as follows：
IMX8M-EK300-PCIe 1x.png

Pin signal description Pin signal description
J6-1B VPCIe_12V 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：
IMX8M-EK300-Audio.png

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
The pins and signals are defined as follows：
IMX8M-EK300-JTAG.png

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：
IMX8M-EK300-HDMI1.png
IMX8M-EK300-HDMI2.png

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
The pins and signals are defined as follows：
IMX8M-EK300-BOOT MODE.png

mode control 1bit 2bit
Flash mode 0 1
start up mode 1 0


BOOT CFG switch

Silk screen：SW3
The pins and signals are defined as follows：
IMX8M-EK300-BOOT CFG.png

start up control 1bit 2bit 3bit 4bit
eMMC 0 0 1 0
SD 1 1 0 0

Reset switch

Silk screen：SW2
Features：Press Reset The pins and signals are defined as follows：
IMX8M-EK300-RESET.png

Mini-PCIe/4G &SIM card

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：
IMX8M-EK300-MINI PCIE.png
IMX8M-EK300-SIM CARD.png

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
The pins and signals are defined as follows：
IMX8M-EK300-FAN.png


Extension IO interface

Silk screen：J12
The pins and signals are defined as follows：
IMX8M-EK300-EXP CN.png

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 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 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 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
The pins and signals are defined as follows：
IMX8M-EK300-POWER SW.png

Master power supply Enter

Silk screen：J19

interface Attributes：Internal positive and negative socket, 12V voltage

The pins and signals are defined as follows：
IMX8M-EK300-POWER IN.png


Bootloader interface

Silk screen：J15
The pins and signals are defined as follows：
IMX8M-EK300-BOOTLOADER.png

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
The pins and signals are defined as follows：
IMX8M-EK300-UART.png

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

interface Attributes：USB2 extension USB2.0&USB3.0，USB TYPE-A interface

The pins and signals are defined as follows：
IMX8M-EK300-USB.png


Ethernet interface

Silk screen：J16

interface Attributes：RGMII，stand by 10/100/1000M

The pins and signals are defined as follows：
IMX8M-EK300-ETH.png


取自“http://wiki.myzr.com.cn/index.php?title=MYZR-IMX8M-MB300_hardware_introduction&oldid=3640”