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PIC18F4520E/MLQTP Datasheet(PDF) 249 Page - Microchip Technology

Part # PIC18F4520E/MLQTP
Description  28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PDF  390 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4520E/MLQTP Datasheet(HTML) 249 Page - Microchip Technology

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 2004 Microchip Technology Inc.
DS39631A-page 247
PIC18F2420/2520/4420/4520
22.6
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.
22.7
Effects of a Reset
A device Reset forces all registers to their Reset state.
This forces the HLVD module to be turned off.
TABLE 22-1:
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
50
INTCON
GIE/GIEH PEIE/GIEL
TMR0IE
INT0IE
RBIE
TMR0IF
INT0IF
RBIF
49
PIR2
OSCFIF
CMIF
—
EEIF
BCLIF
HLVDIF
TMR3IF
CCP2IF
52
PIE2
OCSFIE
CMIE
—
EEIE
BCLIE
HLVDIE
TMR3IE
CCP2IE
52
IPR2
OSCFIP
CMIP
—
EEIP
BCLIP
HLVDIP
TMR3IP
CCP2IP
52
Legend: — = unimplemented, read as ‘0’. Shaded cells are unused by the HLVD module.



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