Datasheet

PIC18F87K22 FAMILY
DS39960D-page 382  2009-2011 Microchip Technology Inc.
FIGURE 26-2: LOW-VOLTAGE DETECT OPERATION (VDIRMAG = 0)
VHLVD
VDD
HLVDIF
VHLVD
VDD
Enable HLVD
TIRVST
HLVDIF may not be Set
Enable HLVD
HLVDIF
HLVDIF Cleared in Software
HLVDIF Cleared in Software
HLVDIF Cleared in Software,
CASE 1:
CASE 2:
HLVDIF Remains Set since HLVD Condition still Exists
T
IRVST
Internal Reference is Stable
Internal Reference is Stable
IRVST
IRVST