Datasheet

PIC18F2XK20/4XK20
DS41303G-page 296  2010 Microchip Technology Inc.
FIGURE 22-3: HIGH-VOLTAGE DETECT OPERATION (VDIRMAG = 1)
VHLVD
VDD
HLVDIF
VHLVD
VDD
Enable HLVD
TIVRST
HLVDIF may not be set
Enable HLVD
HLVDIF
HLVDIF cleared by software
HLVDIF cleared by software
HLVDIF cleared by software,
CASE 1:
CASE 2:
HLVDIF remains set since HLVD condition still exists
T
IVRST
IRVST
Internal Reference is stable
Internal Reference is stable
IRVST