SBC-C23
SBC-C23 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.1 - Author: S.B. - Reviewed by L.B. -Copyright © 2020 SECO S.p.A.
16
2.3.2
Power rails
In all the tables contained in this manual, Power rails are named with the following meaning:
V
IN
: +12V
DC
voltage directly coming from the Power Supply connectors CN1 or CN76
3V3_ALW: +3.3V Always voltage, derived from VCC_SW voltage
V
RTC
: +3V external voltage for supplying the RTC clock
VCC_SW: +5V switched voltage directly derived from V
IN
voltage
NVCC_3V0: +3.3V switched voltage derived from VCC_SW voltage
NVCC_1V8: +1.8V Switched voltage generated by the PMIC
SW2_3V0 switched 3.3V voltage, derived by 3V3_ALW Power rail