i.MX6 SOM available I/Os

Available I/Os

The below table describes the available input/output of the i.MX6 SOM. Specific functions are detailed on the 1st column.

 

Please note

GPIOs marked in green take part in the booting process, please take special care on their state during reset.

Interface

Signals

GPIO

Connector Pin
HB2/SOM

HB2

COMMENTS

 

 

 

 

 

 

UART1

TX

(GPIO5_IO28)

J7-52 (J8004)

Terminal (Buffered)

J-25

 

RX

(GPIO5_IO29)

J7-54 (J8004)

Terminal (Buffered)

J-25

 

CTS

(GPIO3_IO20)

J5001-23

NC

 

 

RTS

(GPIO3_IO19)

J5001-11

NC

 

 

 

 

 

 

 

UART2

TX

(GPIO2_IO15)

J5001-46

RS485-TX

J-35

 

RX

(GPIO2_IO12)

J5001-44

RS485-RX

J-35

 

CTS

(GPIO2_IO14)

J5001-48

RS485-DE

 

 

RTS

(GPIO2_IO13)

J5001-50

V_USB3 PWR_EN

 

 

 

 

 

 

 

UART3

TX

(GPIO3_IO24)

J5001-29

MIKROBUS

U10002

 

RX

(GPIO3_IO25)

J5001-31

MIKROBUS

U10002

 

CTS

(GPIO3_IO24)

J5001-40

NU

J-23 (DISP1_DATA21)

 

RTS

(GPIO3_IO31)

J5001-58

NU

J-23 (DISP1_DATA20)

 

 

 

 

 

 

UART4

TX

(GPIO4_IO06)

J7-51 (J8004)

AUDIO CODEC

UART4 is used on the SOM on different pins

 

RX

(GPIO4_IO07)

J7-53 (J8004)

AUDIO CODEC

UART4 is used on the SOM on different pins

 

 

 

 

 

 

UART5

TX

(GPIO4_IO08)

J7-73 (J8004)

AUDIO CODEC

 

 

RX

(GPIO4_IO09)

J7-55 (J8004)

SD2_VSELECT

Select betweent 3.3V and 1.8V

 

 

 

 

 

 

 

 

 

 

 

 

CAN

TX

GPIO4_IO10

J5001-12

CAN

J-28. Whne the HDMI is assembled there is no CAN interface

 

RX

GPIO4_IO11

J7-23 (J8004)

HDMI/CAN

J-28. Whne the HDMI is assembled there is no CAN interface

 

 

 

 

 

 

 

 

 

 

 

 

SPI

ECSPI2_MISO

GPIO2_IO25

J9-45 (J5002)

MIKROBUS

U10002

 

ECSPI2_MOSI

GPIO2_IO24

J9-47 (J5002)

MIKROBUS

U10002

 

ECSPI2_SCLK

GPIO2_IO23

J9-49 (J5002)

MIKROBUS

U10002

 

ECSPI2_SS0

GPIO2_IO26

J9-32 (J5002)

MIKROBUS

U10002

 

ECSPI2_SS1

GPIO2_IO27

J9-34 (J5002)

MIKROBUS

U10002

 

 

 

 

 

 

I2C1

SCL

GPIO3_IO21

J9-51 (J5002)

MPCIe/AUDIO

 

 

SDA

GPIO3_IO28

J9-53 (J5002)

MPCIe/AUDIO

 

 

 

 

 

 

 

I2C3

SCL

GPIO3_IO17

J9-33 (J5002)

MIKROBUS

U10002

 

SDA

GPIO3_IO18

J9-31 (J5002)

MIKROBUS

U10002

 

 

 

 

 

 

SPDIF

IN

GPIO1_IO24

J5001-35

NU

J-24

 

OUT

GPIO7_IO17

J7-50 (J8004)

NU

J-24

 

 

 

 

 

 

HDMI

HDMI_CEC

GPIO5_IO02

J5001-17

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

IO

 

GPIO1_IO00

J9-24 (J5002)

USB_H1_PWR_EN

 

 

 

GPIO1_IO01

J7-56 (J8004)

USB_OTG_ID

 

 

 

GPIO1_IO03

J7-69 (J8004)

CAP_TOUCH_INT

J-6

 

 

GPIO1_IO07

J5001-14

NC

 

 

 

GPIO1_IO09

J5001-42

MIKROBUS

U10002

 

 

GPIO1_IO15

J7-59 (J8004)

AUDIO CLK

 

 

 

GPIO1_IO25

J9-59 (J5002)

NC

 

 

 

 

 

 

 

 

 

GPIO2_IO08

J5001-36

msata_DISABLE

U2027

 

 

GPIO2_IO09

J9-55 (J5002)

DISP0_CONTRAST

J-6

 

 

GPIO2_IO10

J9-57 (J5002)

DSI Connectors

J-8

 

 

GPIO2_IO11

J5001-38

MPCIe RST#

J-5

 

 

GPIO2_IO16

J5001-69

NU

J-23 (DISP1_DATA17)

 

 

GPIO2_IO17

J5001-66

NU

J-23 (DISP1_DATA16)

 

 

GPIO2_IO18

J5001-62

NU

J-24 (DISP1_DATA15)

 

 

GPIO2_IO19

J5001-63

NU

J-24 (DISP1_DATA14)

 

 

GPIO2_IO20

J5001-64

NU

J-23 (DISP1_DATA13)

 

 

GPIO2_IO21

J5001-59

NU

J-23 (DISP1_DATA12)

 

 

GPIO2_IO22

J5001-54

NU

J-23 (DI1_DISP_CLK)

 

 

GPIO2_IO28

J5001-68

NU

J-24 (DISP1_DATA11)

 

 

GPIO2_IO29

J5001-57

NU

 

 

 

GPIO2_IO30

J5001-37

NC

(EIM_EB2)

 

 

GPIO2_IO31

J5001-39

NC

(EIM_EB3)

 

 

 

 

 

 

 

 

GPIO3_IO00

J5001-60

NU

J-23 (DISP1_DATA09)

 

 

GPIO3_IO01

J5001-55

NU

J-23 (DISP1_DATA08)

 

 

GPIO3_IO02

J5001-70

NU

J-22 (DISP1_DATA07)

 

 

GPIO3_IO03

J9-58 (J5002)

NU

J-22 (DISP1_DATA06)

 

 

GPIO3_IO04

J9-62 (J5002)

NU

J-21 (DISP1_DATA05)

 

 

GPIO3_IO05

J9-64 (J5002)

BOOT

J-5005 (DISP1_DATA04)

 

 

GPIO3_IO06

J9-54 (J5002)

BOOT

J-5005 (DISP1_DATA03)

 

 

GPIO3_IO07

J9-56 (J5002)

NU

J-22 (DISP1_DATA02)

 

 

GPIO3_IO08

J9-60 (J5002)

NU

J-21 (DISP1_DATA01)

 

 

GPIO3_IO09

J9-66 (J5002)

NU

J-21 (DISP1_DATA00)

 

 

GPIO3_IO10

J5001-43

NU

J-22 (DI1_PIN15)

 

 

GPIO3_IO11

J5001-41

BOOT

J-5005 (DI1_PIN02)

 

 

GPIO3_IO12

J5001-51

BOOT

J-5005 (DI1_PIN03)

 

 

GPIO3_IO13

J5001-45

NU

J-23 (DI1_D0_CS)

 

 

GPIO3_IO14

J5001-49

NU

J-23 (DI1_D1_CS)

 

 

GPIO3_IO15

J5001-53

NU

J-24 (DI1_PIN01)

 

 

GPIO3_IO16

J5001-19

NC

 

 

 

GPIO3_IO23

J5001-25

NC

 

 

 

GPIO3_IO26

J5001-61

NU

J-24 (DISP1_DATA22)

 

 

GPIO3_IO27

J5001-65

NU

J-24 (DISP1_DATA23)

 

 

GPIO3_IO29

J5001-27

NC

 

 

 

 

 

 

 

 

 

GPIO4_IO14

J7-67 (J8004)

DSI Connector

J-6

 

 

GPIO4_IO29

J9-68 (J5002)

MIKROBUS

U10002

 

 

GPIO4_IO30

J9-41 (J5002)

uSD Power Cycle

 

 

 

 

 

 

 

 

 

GPIO5_IO00

J5001-1

NC

(EIM_WAIT)

 

 

GPIO5_IO04

J5001-67

NU

J-24 (DISP1_DATA19)

 

 

GPIO5_IO13

J7-57 (J8004)

AUD5_RXD

 

 

 

 

 

 

 

 

 

GPIO6_IO06

J5001-56

NU

J-24 (DISP1_DATA18)

 

 

GPIO6_IO15

J7-63 (J8004)

DSI Connector

J-8

 

 

 

 

 

 

 

 

GPIO7_IO09

J5001-34

IR_RECEIVE

 

 

 

GPIO7_IO10

J5001-32

USB4_PWR_EN

 

 

 

GPIO7_IO13

J5001-28

A/D INT

 

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