X5001 Datasheet, PDF (5/19 Pages) Xicor Inc. – CPU Supervisor

X5001
Figure 5. Vtrip Programming Sequence
New Vcc applied =
Old Vcc applied + Error
Vtrip Programming
Execute
Reset Vtrip
Sequence
Set Vcc = Vcc applied =
Desired Vtrip
Execute
Set Vtrip
Sequence
Apply 5V to Vcc
Decrement Vcc
(Vcc = Vcc - 50mV)
New Vcc applied =
Old Vcc applied - Error
Execute
Reset Vtrip
Sequence
NO
Error < 0
RESET pin
goes active?
YES
Measured Vtrip -
Desired Vtrip
Error > 0
Error = 0
DONE
5