Description
X4003/X4005 CPU Supervisor .
These devices combine three popular functions, Poweron Reset Control, Watchdog Timer, and Supply Voltage Supervision.
Features
* Selectable watchdog timer
* Select 200ms, 600ms, 1.4s, off
* Low VCC detection and reset assertion
* Five standard reset threshold voltages nominal 4.62V, 4.38V, 2.92V, 2.68V, 1.75V
* Adjust low VCC reset threshold voltage using special programming sequence
Applications
* requiring higher precision. BLOCK DIAGRAM
Watchdog Transition Detector WP SDA Data Register Command Decode & Control Logic VCC Threshold Reset logic VCC VTRIP + Power on and Low Voltage Reset Generation Watchdog Timer Reset RESET (X4003) Control Register Reset & Watchdog Timebase RESET (X4005)
SCL
