PIC18F44J50-I Datasheet, PDF (398/562 Pages) Microchip Technology – 28/44-Pin, Low-Power, High-Performance USB Microcontrollers

PIC18F46J50 FAMILY
FIGURE 25-2:
CASE 1:
LOW-VOLTAGE DETECT OPERATION (VDIRMAG = 0)
HLVDIF may not be set
VDD
HLVDIF
VHLVD
Enable HLVD
IRVST
TIRVST
Internal Reference is stable
HLVDIF cleared in software
CASE 2:
VDD
HLVDIF
Enable HLVD
IRVST
TIRVST
Internal Reference is stable
VHLVD
HLVDIF cleared in software
HLVDIF cleared in software,
HLVDIF remains set since HLVD condition still exists
DS39931D-page 398
 2011 Microchip Technology Inc.