71M6541D Datasheet, PDF (43/166 Pages) Maxim Integrated Products – 0.1% Accuracy Over 2000:1 Current Range Energy Meter ICs

71M6541D/F/G and 71M6542F/G Data Sheet
IRCON[1]
IRCON[0]
IEX2
–
1 = External interrupt 2 occurred and has not been cleared:
XPULSE, YPULSE, WPULSE or VPULSE
Not used.
TF0 and TF1 (Timer 0 and Timer 1 overflow flags) are automatically cleared by hardware when the
service routine is called (Signals T0ACK and T1ACK – port ISR – active high when the service
routine is called).