General Description

The ASM1832 is a fully integrated microprocessor supervisor. It can halt and restart a “hung-up” microprocessor, restart a microprocessor after a power failure. It has a watchdog timer and external reset override. RESET and RESET outputs are push-pull.

Key Features

• 3.3V supply monitor

• Push-pull output

• Selectable watchdog period

• Debounce manual push-button reset input

• Precision temperature-compensated voltage reference and comparator.

• Power-up, power-down and brown out detection

• 250ms minimum reset time

• Active LOW and HIGH reset signal

• Selectable trip point tolerance: 10 or 20

• Low-cost 8-pin DIP/SO and 8-pin Micro SO packages

• Wide operating temperature -40°C to +85°C

Applications

• Microprocessor systems

• Computers

• Controllers

• Portable instruments

• Automotive systems