Overview of interfaces

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'IMX6ULL-EK140P Front view

'IMX6ULL-EK140P Rear view

Interface function

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5V_IN

The acceptable input voltage for MY-IMX6-MB140P is 5V and the current is 2.5A and above.

Silk screen	Interface	Function	Interface property
P4	5V_IN	Voltage input	Internal positive and external negative Jack

• Schematic and functional signals

U1

Interface no.	Signal name		Interface pin no.	Signal name
1	VDD		4	DOUT
2	GND1		5	SENSE/CD
3	GND2

SWITCH

Silk screen	Interface	Function	Status attribute
P1	SWITCH	Power switch	—，close；O，disconnect

• Schematic

18/24bit RGB

Silk screen	Interface	Function	Interface type
P3	RGB	RGB crystal liquid	Standard 0.5mm FPC seat, 40PIN

RGB crystal liquid is 24bit mode，compatible to 18bit/16bit mode,through which RGB resistance screen panel and RGB capacitor screen panel in different sizes and specifications produced by MYZR can be connected，RGB interface block is build with connector imported，abandon the cheap drawer type produced domestically，which is opposite press type to ensure easier installation,better performance and connectivity.

• Schematics and signal definitions3

Pin	Signal	Description
P3-08	LCD_HSYNC	LCD row clock
P3-18	LCD_PCLK	LCD dot clock
P3-19	PWM4	LCD backlight adjustment
P3-20	LCD_VSYNC	LCD frame clock
P3-21	LCD_DE	Data Input Enable
P3-30	TOUCH_nEINT1	GPIO control
P3-31	TOUCH_nEINT2	GPIO control
P3-32	TOUCH_SCL	I2C clock
Others	LCD_DATA*	LCD data

RS232

Silk screen	Interface	Function	Interface type
P2	RS232	debug serial port	3 thread standard RS232 port

• Schematic and functional signals

Interface no.	Signal name		Interface no.	Signal name
1	C1+		2	V+
3	C1-		4	C2+
5	C2-		6	V-
7	T2OUT		8	R2IN
9	R2OUT		10	T2IN
11	T1IN		12	R1OUT
13	R1IN		14	T1OUT
15	GND		16	VCC

GPS

Silk screen	Interface	Function	Interface type
E1	GPS_ANT	connect GPS antenna	Standard GPS antenna pedestal

• Schematic and signals

Pin	Pin function
UART4_RXD	TxD1
UART4_TXD	RxD1

UART6/7/8

Silk screen	Interface	Function	Interface type
P5	UART6/7/8	Reserve serial port	Standard 2.54 double row 20PIN

• Schematic and functional signals

Interface no.	Signal name		Interface no.	Signal name
1	GND		2	GND
3	ENET2_RXER		4	UART8_RTS
5	ENET2_RXD1		6	UART6_RXD
7	ENET2_TX_CLK		8	UART8_CTS
9	ENET2_RXD0		10	UART6_TXD
11	ENET2_TXEN		12	UART8_RXD
13	ENET2_CRS_DV		14	UART7_TXD
15	ENET2_TXD1		16	UART8_TXD
17	ENET2_TXD0		18	UART7_RXD
19	GEN_3V3		20	GEN_3V3

ETH

Silk screen	Interface	Function	Interface type
P10	ETH1	10/100-Mbps Ethernet	RJ-45
P8	ETH2	10/100-Mbps Ethernet	RJ-45

• Schematic and functional signals

Interface no.	Signal name		Interface no.	Signal name
1	TD+		7	NC
2	TD-		8	GND
3	RD+		9	LED_G+
4	MTD		10	LED_G-
5	MRD		11	LED_Y-
6	RD-		12	LED_Y+

• Schematic and functional signals

Pin	Pin function		Pin	Pin function
ENET_MDIO	MDIO		ENET_MDC	MDC
ENET1_RXD0	RXD0/MODE0		ENET1_RXD1	RXD1/MODE1
ENET1_TXD0	TXD0		ENET1_TXD1	TXD1
ENET1_CRS_DV	CRS_DV/MODE2		ENET1_TXEN	TXEN
ENET1_TX_CLK	XTAL1/CLKIN		ENET1_RXER	RXER/PHYAD0
ENET1_nRST	RST		SNVS_TAMPER2	INT/REFCLKO

HP/MIC

Silk screen	Interface	Function	Interface type
P12	HP/MIC	Speech output	Standard 3.5mm headphone audio stand

• Schematic and signals
  

Pin	Pin function		Pin	Pin function
AUD_INT	ADCLRC/GPIO1		SAI2_SYNC	DACLRC
SAI2_BCLK	BCLK		SAI2_RXD	ADCDAT
SAI2_TXD	DACDAT		SAI2_MCLK	MCLK
AUDIO_SCL	SCLK		AUDIO_SDA	SDIN

SPK

Silk screen	Interface)	Function	Interface type
P14	SPK	Power amplifier	Standard 2.54 double row 4PIN

• Schematic

J-TAG

Silk screen	Interface	Function	Interface type
P15	J-TAG	debug	Standard 2.54 double row 20PIN simple horn seat

• Schematic and functional signals

Pin	Pin function		Pin	Pin function
JTAG_nTRST	TRST_N		JTAG_TDI	TDI
JTAG_TMS	TMS		JTAG_TCK	TCK
JTAG_TDO	TDO

USB OTG

Silk screen	Interface	Function	Interface type
P18	USB OTG	MFG Tool烧录口 (MFG Tool burning mouth)	Micro USB

• 原理图及信号(schematic and signals)

Interface no.	Signal name	Pin
1	VBUS	USB_OTG1_VBUS
2	D-	USB_OTG1_DN
3	D+	USB_OTG1_DP
4	ID	USB_OTG1_ID
5	GND	GND

USB HOST

Silk screen	Interface	Function	Interface type
P20	USB HOST	Connect USB peripherals	Standard double USB interface

• Schematic and functional signals

WIFI

Silk screen	Interface	Function	Interface type
E2	WIFI_ANT	Connect antenna	Standard antenna pedestal

• Schematic

SPI/I2C/GPIO

Silk screen	Interface	Function	Interface type
P21	GPIO	debug	Standard 2.54 double row 40PIN

• Schematic and functional signals

Interface no.	Signal name		Interface no.	Signal name
1	GEN_3V3		2	GEN_3V3
3	ECSPI1_MOSI		4	ECSPI1_MISO
5	ECSPI1_SCLK		6	ECSPI1_CS0
7	ECSPI2_SCLK		8	ECSPI2_CS0
9	ECSPI2_MOSI		10	ECSPI2_MISO
11	I2C1_SCL		12	I2C1_SDA
13	I2C2_SCL		14	I2C2_SDA
15	SNVS_TAMPER8		16	SNVS_TAMPER1
17	SNVS_TAMPER4		18	GND
19	GND		20	GND
21	PMIC_ON_REQ		22	ONOFF
23	NAND_CE1N		24	nUSB_OTG_CHD
25	UART3_RXD		26	UART3_TXD
27	UART2_RXD		28	UART2_TXD
29	CLK1_N		30	CLK1_P
31	PWM2		32	PWM5
33	USB_OTG2_PWR		34	USB_OTG1_OC
35	USB_OTG1_PWR		36	USB_OTG2_OC
37	GND		38	GND
39	GND		40	GND

3G/4G

Silk screen	Interface	Function	Interface type
P19	3G/4G	Use 3G/4G	Standard miniPCI interface

• Schematic

SIM

Silk screen	Interface	Function	Interface type
P16	SIM	Connect SIM card	Standard SIM card cassette

• Schematic

BOOTMODE

Silk screen	Interface	Function	Interface type
SW2	BOOT MODE	Boot mode selection	Dip switch(2bit)

• Schematic and boot mode selection

SD

Silk screen	Interface	Function	Interface type
P13	SD	Connect SD card	Standard SD card cassette

• Schematic

RTC

Silk screen	Interface	Function	Interface type
P11	RTC	RTC	RTC for I2C communication

• Schematic

CAN2

Silk screen	Interface	Function	Interface type
P9	CAN2	Communication	Screw-type PCB terminals

• Schematic

CAN1

Silk screen	Interface	Function	Interface type
P7	CAN1	Communication	Screw-type PCB terminals

• Schematic

RS485

Silk screen	Interface	Function	Interface type
P6	RS465	Application serial port	Screw-type PCB terminals

• Schematic