Carrier-SM-B79

Owned by Martina Bassi (Deactivated)
Last updated: 27. Sep 2023 by Luca Pisani
3 min read

Depending on the configuration and following revisions, the features of the board are subject to change. For detailed information on hardware specifications, please visit www.seco.com

 

This carrier board is contained in the development kit DEV-KIT-SMARC

 

How can I configure jumpers?

Component

Description

Use

Default configuration (Fig.1)

Component

Description

Use

Default configuration (Fig.1)

CN64

SER2

Set no jumper for 120 ohm termination for A-B and Y-Z
Set jumper 1-2 for 120 ohm termination for A-B only
Set jumper 2-3 for no 120 ohm terminations

Unplugged

CN63

SER0

Set no jumper for 120 ohm termination for A-B and Y-Z
Set jumper 1-2 for 120 ohm termination for A-B only
Set jumper 2-3 for no 120 ohm terminations

Unplugged

CN24

COM2

Set no jumper for RS-485
Set jumper 1-2 for RS-422
Set jumper 2-3 for RS-232

Unplugged

CN23

COM0

Set no jumper for RS-485
Set jumper 1-2 for RS-422
Set jumper 2-3 for RS-232

Unplugged

CN78

SMARC v2.1

Set jumper 1-2 for SMARC V2.1 specs
Set jumper 2-3 for SMARC V2.0 specs

2-3 Plugged

JP7

GPIO

 

 

JP12

CAN0

Set no jumper no termination
Set jumper for 120 ohm termination

Plugged

JP13

CAN1

Set no jumper no termination
Set jumper for 120 ohm termination

Plugged

CN67

PCIE_SEL_AB, PCIE_SEL_CD

Set jumper 3-1 for PCIE A, B, C, D - X4
Set jumper 3-4 for PCIE A, B - X2, PCIE C - X1, PCIE D - M.2 (Modem)
Set jumper 3-5 for PCIE A - X1, PCIE B - M.2 (WiFi), PCIE C - X1, PCIE D - M.2 (Modem)

3-5 Plugged

CN75

HDMI_DP1#_SEL

Set jumper 1-2 to select HDMI
Set jumper 2-3 to select DP1

1-2 Plugged

CN76

DP1_AUX_SEL

Set jumper 3-1 for fixed DDC selection (debug configuration)
Set jumper 3-4 for adapter depending AUX/DDC selection (standard configuration)
Set jumper 3-5 for fixed AUX selection (debug configuration)

3-1 Plugged

CN62

VIN_PWRBAD#

Set jumper 1-2 NO VIN_PWRBAD# control
Set jumper 2-3 VIN_PWRBAD# is VSMARC_PG

1-2 Plugged

JP14

I2C EEPROM WP

Set no jumper to enable writes
Set jumper 1-2 to disable writes

Unplugged

JP5

SDIO_WP

Set no jumper to disable writes on SD Card
Set jumper 1-2 to enable writes on SD Card

1-2 Plugged

JP17

 

 

 

JP18

 

 

 

JP15

W_DISABLE1/2#_E

Set no jumper for card enabled
Set jumper 1-2 for card disabled

Unplugged

JP16

 

 

 

CN53

SUS_S5

Set jumper 1-2 for normal operation
Set jumper 2-3 to force *_A voltages to be enabled

1-2 Plugged

CN55

FAN

Set jumper 1-2 for 12V FAN
Set jumper 2-3 for 5V FAN

1-2 Plugged

CN8

VSMARC

Set jumper 1-2 for 3V
Set jumper 3-4 for 3.3V
Set jumper 5-6 for 4.25V
Set jumper 7-8 for 5V

1-2 Plugged

CN21

VDD_BKLT1

Set jumper 1-2 for 12V BKLT Power
Set jumper 2-3 for 5V BKLT Power

2-3 Plugged

CN20

VDD_LCD1

Set jumper 1-2 for 3.3V Panel Power
Set jumper 2-3 for 5V Panel Power

1-2 Plugged

CN19

VDD_BKLT0

Set jumper 1-2 for 12V BKLT Power
Set jumper 2-3 for 5V BKLT Power

2-3 Plugged

CN18

VDD_LCD0

Set jumper 1-2 for 3.3V Panel Power
Set jumper 2-3 for 5V Panel Power

1-2 Plugged

 

 

 

 

Fig. 1: Description of possible jumpers configuration

 

How can I configure micro switches?

Descrpition

Position

Use

Default configuration (Fig.2)

SW14

Position 1-3
TEST#

OFF for normal operation ON for test mode

OFF

 

Position 2-4
LID_BTN#

OFF for normal operation
ON for LIDBTN simulation

OFF

SW12

Position 1-3
BOOT_SEL0#

Fig.3

OFF

 

Position 2-4
BOOT_SEL1#

Fig.3

OFF

SW13

Position 1-3
BOOT_SEL2#

Fig.3

ON

 

Position 2-4
FORCE_RECOV#

Fig.3

OFF

SW6

Position 1-3
LVDS_eDP#_SEL

OFF for LVDS/DSI
ON for eDP

 

 

Position 2-4
I2S_HDA#_SEL

OFF for I2S
ON for HDA

ON

SW7

SER1_SEL

OFF for SER1 - Feature header
ON for SER1 - USB microB (debug)

OFF

 

 

 

 

Fig. 2: Description of possible switches configuration

 

 

 

 

Fig. 3: Description of SW13 and SW14

 

What to connect and where?

Further information about placement and description of connectors are available here.