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PIC18F4550ESOSQTP Datasheet(PDF) 285 Page - Microchip Technology

Part # PIC18F4550ESOSQTP
Description  28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology
PDF  430 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4550ESOSQTP Datasheet(HTML) 285 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
Preliminary
DS39632D-page 283
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
52
INTCON
GIE/GIEH PEIE/GIEL
TMR0IE
INT0IE
RBIE
TMR0IF
INT0IF
RBIF
51
PIR2
OSCFIF
CMIF
USBIF
EEIF
BCLIF
HLVDIF
TMR3IF
CCP2IF
54
PIE2
OSCFIE
CMIE
USBIE
EEIE
BCLIE
HLVDIE
TMR3IE
CCP2IE
54
IPR2
OSCFIP
CMIP
USBIP
EEIP
BCLIP
HLVDIP
TMR3IP
CCP2IP
54
Legend: — = unimplemented, read as ‘0’. Shaded cells are unused by the HLVD module.



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