Datasheet

PIC18F97J94 FAMILY
DS30575A-page 504  2012 Microchip Technology Inc.
FIGURE 25-2: LOW-VOLTAGE DETECT OPERATION (VDIRMAG = 0)
FIGURE 25-3: HIGH-VOLTAGE DETECT OPERATION (VDIRMAG = 1)
VHLVD
VDD
HLVDIF
VHLVD
VDD
Enable HLVD
TIRVST
HLVDIF will 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
VHLVD
VDD
HLVDIF
VHLVD
VDD
Enable HLVD
TIRVST
HLVDIF will 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
IRVST
Internal Reference is Stable
Internal Reference is Stable
IRVST