PIC18F6620 Microchip, PIC18F6620 Datasheet - Page 239
PIC18F6620
Manufacturer Part Number
PIC18F6620
Description
Microcontroller
Manufacturer
Microchip
Datasheet
1.PIC18F6620.pdf
(380 pages)
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22.2.1
The internal reference voltage of the LVD module,
specified in electrical specification parameter #D423,
may
Programmable Brown-out Reset). If these circuits are
disabled (lower current consumption), the reference
voltage circuit requires a time to become stable before a
low-voltage condition can be reliably detected. This time
is invariant of system clock speed. This start-up time is
specified in electrical specification parameter #36. The
low-voltage interrupt flag will not be enabled until a stable
reference voltage is reached. Refer to the waveform in
Figure 22-4.
22.2.2
When the module is enabled, the LVD comparator and
voltage divider are enabled and will consume static cur-
rent. The voltage divider can be tapped from multiple
places in the resistor array. Total current consumption,
when enabled, is specified in electrical specification
parameter #D022B.
2004 Microchip Technology Inc.
be
used
REFERENCE VOLTAGE SET POINT
CURRENT CONSUMPTION
PIC18F6520/8520/6620/8620/6720/8720
by
other
internal
circuitry
(the
22.3
When enabled, the LVD circuitry continues to operate
during Sleep. If the device voltage crosses the trip
point, the LVDIF 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.
22.4
A device Reset forces all registers to their Reset state.
This forces the LVD module to be turned off.
Operation During Sleep
Effects of a Reset
DS39609B-page 237
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