71M6541F Maxim, 71M6541F Datasheet - Page 43

• Manufacturer Part Number: 71M6541F
• Description: The 71M6541D/71M6541F/71M6541G/71M6542F/71M6542G are Teridian™ 4th-generation single-phase metering SoCs with a 5MHz 8051-compatible MPU core, low-power RTC with digital temperature compensation, flash memory, and LCD driver
• Manufacturer: Maxim

Rev 2
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).
IRCON[1]
IRCON[0]
IEX2
–
1 = External interrupt 2 occurred and has not been cleared:
XPULSE, YPULSE, WPULSE or VPULSE
Not used.
71M6541D/F/G and 71M6542F/G Data Sheet
43