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| PIC18F25K20T-ISO Datasheet, PDF (296/456 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology | |||
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PIC18F2XK20/4XK20
FIGURE 22-3:
CASE 1:
HIGH-VOLTAGE DETECT OPERATION (VDIRMAG = 1)
HLVDIF may not be set
VDD
HLVDIF
VHLVD
Enable HLVD
IRVST
CASE 2:
VDD
TIVRST
Internal Reference is stable
HLVDIF cleared by software
VHLVD
HLVDIF
Enable HLVD
IRVST
TIVRST
Internal Reference is stable
HLVDIF cleared by software
HLVDIF cleared by software,
HLVDIF remains set since HLVD condition still exists
DS41303G-page 296
ï£ 2010 Microchip Technology Inc.
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