Kontron COMe-bCD2 Manual do Utilizador descarregar pdf (Página 34)

5 Special Features

Kontron User's Guide ETXexpress® CD

5 Special Features

5.1 Watchdog Timer

This feature is implemented in the Xilinx XC9536XL microcontroller. You can configure the Watchdog

Timer (WDT) in BIOS setup to start after a set amount of time after power-on boot. The WDT can also be

controlled by the JIDA32 Library API (Refer to Appendix F: JIDA Standard). The application software

should strobe the WDT to prevent its timeout. Upon timeout, the WDT resets and restarts the system. This

provides a way to recover from program crashes or lockups.

Configuration

You can program the timeout period for the watchdog timer in two ranges:

1-second increments from 1 to 255 seconds

1-minute increments from 1 to 255 minutes

Contact Kontron Embedded Modules technical support for information on programming and operating

the WDT.

5.2 General Purpose Input and Output

COMe-bCD2 offers 4 General Purpose Input (GPI) pins and 4 General Purpose Output (GPO) pins. On a

3.3V level digital in- and outputs are available.

Signal

Description

GPI0

A54

General Purpose Input 0

GPI1

A63

General Purpose Input 1

GPI2

A67

General Purpose Input 2

GPI3

A85

General Purpose Input 3

GPO0

A93

General Purpose Output 0

GPO1

B54

General Purpose Output 1

GPO2

B57

General Purpose Output 2

GPO3

B63

General Purpose Output 3

Configuration

The GPI and GPO pins can be configured via JIDA32. Please refer to the JIDA32 manual in the driver

download packet on our website.

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