Datasheet Summary
®
X40020, X40021
Data Sheet May 17, 2006 FN8112.1
Dual Voltage Monitor with Integrated CPU Supervisor and System Battery Switch
Features
- Dual voltage detection and reset assertion
- Three standard reset threshold settings (4.6V/2.9V, 4.6V/2.6V, 2.9V/1.6V)
- VTRIP2 programmable down to 0.9V
- Adjust low voltage reset threshold voltages using special programming sequence
- Reset signal valid to VCC = 1V
- Monitor two voltages or detect power fail
- Battery switch backup
- VOUT: 5mA to 50mA from VCC; 250µA from VBATT
- Fault detection register
- Selectable power-on reset timeout (0.05s, 0.2s, 0.4s, 0.8s)
- Selectable watchdog timer interval (25ms, 200ms, 1.4s, off)
- Debounced manual reset...