SBC35-C398/Configuration
v1.0
www.winsystems.com
Page 18
8.2
Watchdog Timer
The SBC35-C398 features the watchdog timer built into the i.MX6. This advanced
watchdog timer can be used to guard against software lockups (Progra
TrustZone).
8.3
Secure Real-time Clock/Calendar
A secure real-time clock is used as the clock/calendar. It supports a number of features
including periodic and alarm interrupt capabilities. In addition to the time and date
keeping functions, the system configuration is kept in CMOS RAM contained within the
clock section. A battery must be connected to J19 for the real-time clock to retain time
and date during a power down. See “External Battery Connection (J19)” on page 35.
8.4
Power
The SBC35-C398 draws power through the J17 connector (see “Power Connector
(J17)” on page 31). Alternately, power can be supplied by PoE (see “Ethernet Port
(J16)” on page 31).
8.5
Connectors
8.5.1 Micro SD (J1)
Orient the micro SD card as depicted in the following illustration. The card should be
positioned so that the beveled edge is on the right front.
Additional Information
This micro SD card connector is a Molex 47352-1001.
Do not insert or remove the Micro SD card while the SBC35-C398 is powered up or in
the process of powering up or down. This could corrupt the file system on the
removable media. Always power down the board completely, then remove or insert
media.
