Seco Smarc CSM-B79 User Manual page 73

24 ---
25 I2C_CAM1_DAT
26 RESET_IN#
27 ---
28 POWER_BTN#
carried to CSI Camera Connector CN39 (par.3.3.7)
3.3.28 Boot Select switches
On CSM-B79 carrier board there is a dual DIP switch array, made by SW12 and SW13, that manages properly the BOOT_SEL[0-2]# and FORCE_RECOV#
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signals, according to SMARC Boot select table:
SW13-1
BOOT_SEL2#
ON
ON
ON
ON
OFF
OFF
OFF
OFF
For the BOOT source options referred to vendor specific, please refer to specific SMARC
Switch 2 of dual DIP Switch SW13 manages the FORCE_RECOV# signal. When the SW is in ON position, then the forced recovery functions are enabled.
3.3.29 POST Code Display
For debugging purposes, it is available a display made by 4x 7-segment LED display (D62 to D65), type Kingbright KCSC02-105 or equivalent.
The management of this display is done using a HT16K33_SOP28 LED controller, driven through the SMARC
CSM-B79
CSM-B79 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.1 - Author: A.R - Reviewed by S.R. - Copyright © 2021 SECO S.p.A.
FUSA_POWERFAIL#
SW12-2 SW12-1
BOOT_SEL1# BOOT_SEL0#
ON
ON
OFF
OFF
ON
ON
OFF
OFF
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GPIO6 / TACHIN: SMARC module GPIO6. This signal shares the same pin from card
edge connector with TACHIN (par.3.3.21)
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GPIO[7..13]: SMARC module General Purpose I/O signals
I2C_CAM1_CLK: I2C Bus clock line for MIPI CSI1 data support link. This signal is also
carried to CSI Camera Connector CN39 (par.3.3.7)
I2C_CAM1_DAT: I2C Bus data line for MIPI CSI1 data support link. This signal is also
BOOT Source
ON Carrier SATA
OFF Carrier SD card
ON Carrier eSPI (CS0#)
OFF Carrier SPI (CS0#)
ON Module device vendor specific
OFF Remote boot vendor specific
ON Module eMMC
OFF Module SPI
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module user manual for details.
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module
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