APPLICATION NOTE 581

Advantages of Using a MicroMonitor and a Simple Application Demonstrating the Use of a DS1232


Abstract: Discusses how the DS1232 can be used to MicroMonitor an 8051-based system. This supervisor circuit provides power-on-reset (POR), manual reset (push-button) input, a watchdog timer (strobe timer), and an early power-fail comparator. The reset threshold tolerance can set selected to monitor both 5% and 10% supply tolerance systems. In addition, a pin-selectable reset time-out delay is available.

To simplify the use of the device, a software execution program is included to show how the 8051 processor can be used in conjunction with the DS1232.