PIC18F2455T-I/ML 查看數據表（PDF） - Microchip Technology

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PIC18F2455T-I/ML

28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC18F2455/2550/4455/4550

24.6 Operation During Sleep

When enabled, the HLVD circuitry continues to operate

during Sleep. If the device voltage crosses the trip

point, the HLVDIF bit will be set and the device will

wake-up from Sleep. Device execution will continue

from the interrupt vector address if interrupts have

been globally enabled.

24.7 Effects of a Reset

A device Reset forces all registers to their Reset state.

This forces the HLVD module to be turned off.

TABLE 24-1: REGISTERS ASSOCIATED WITH HIGH/LOW-VOLTAGE DETECT MODULE

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reset

Values

on page

HLVDCON VDIRMAG

—

IRVST HLVDEN HLVDL3 HLVDL2 HLVDL1 HLVDL0 54

INTCON GIE/GIEH PEIE/GIEL TMR0IE INT0IE RBIE TMR0IF INT0IF RBIF

53

PIR2

OSCFIF

CMIF

USBIF

EEIF

BCLIF HLVDIF TMR3IF CCP2IF

56

PIE2

OSCFIE CMIE USBIE EEIE BCLIE HLVDIE TMR3IE CCP2IE 56

IPR2

OSCFIP CMIP USBIP EEIP BCLIP HLVDIP TMR3IP CCP2IP 56

Legend: — = unimplemented, read as ‘0’. Shaded cells are unused by the HLVD module.

© 2009 Microchip Technology Inc.

DS39632E-page 289

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