SBC-C61
SBC-C61 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.1 - Author: S.B. - Reviewed by N.P. - Copyright © 2021 SECO S.p.A.
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LVD/ LVDS_1_TX3-: LVDS Channel #1 differential data pair #3.
LVD/LVDS_1_CLK-: LVDS Channel #1 differential Clock.
BKLT_EN: LCD_PWR electrical level Output with a 10k
Ω
pull-up resistor, Backlight Enable signal. It can be used to turn On/Off the backlight
’
s lamps of connected
displays.
PVCC_EN: LCD_PWR electrical level Output with a 10k
Ω
pull-up resistor, Panel Power Enable signal. It can be used to turn On/Off the connected display.
BKLT_PWM: this signal can be used to adjust the backlight brightness in displays supporting Pulse Width Modulated (PWM) regulations (LCD_PWR electrical level).
BKLT_AN_CTRL: Analog dimming for backlight, electrical level ranging from 0V up to LCD_PWR
TOUCH_SCL: I2C Bus clock line. Bidirectional signal, electrical level VDD_3V3 with a 2K2
Ω
pull-up resistor. It is managed by the processor
’
s I2C controller #3.
TOUCH_SDA: I2C Bus data line. Bidirectional signal, electrical level VDD_3V3 with a 2K2
Ω
pull-up resistor. It is managed by the processor
’
s I2C controller #3.
TOUCH_RST: VDD_3V3 electrical level output, active high signal with a 10k
Ω
pull-down resistor. This signal can be used to drive a reset of an eventual external
Touch Screen connected to the dedicated I2C interface.
TOUCH_INT#: VDD_3V3 electrical level input with a 10k
Ω
pull-up resistor. This signal can be used to serve the interrupt request of an eventual external Touch Screen
connected to the dedicated I2C interface.
LCD_PWR: LCD switched voltage rail. Its value can be set to +3.3V or +5V by using dedicated
jumper CN34, which is a standard pin header, P2.54mm, 1x3 pin.
BKLT_PWR: Backlight switched voltage rail. Its value can be set to +5V or +12V by using dedicated
jumper CN35, same type of CN34. This jumper is not available on boards equipped with the optinal
LED Driver (see par. 3.3.6)
Since the use of jumpers in environments with vibrations issues could be a problem, it is possible to provide SC61 boards with the LCD Power and Backlight Power
fixed at the desired value. For this purpose, some dedicated 0-Ohm resistors can be mounted (factory default: not available). Please contact you local Sales rep in
case you need this special configuration.
CN34 position
LCD Power selector
1-2
+3.3V
2-3
+5V
CN35 position
Backlight Power selector
1-2
+5V
2-3
+12V
