PIC16C554T-IPT View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16C554T-IPT Datasheet PDF : 108 Pages
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PIC16C55X
6.4.5
POWER CONTROL/STATUS
REGISTER (PCON)
Bit1 is POR (Power-on Reset). It is a ‘0’ on Power-on
Reset and unaffected otherwise. The user must write a
‘1’ to this bit following a Power-on Reset. On a subse-
quent RESET if POR is ‘0’, it will indicate that a Power-
on Reset must have occurred (VDD may have gone too
low).
TABLE 6-3: TIMEOUT IN VARIOUS SITUATIONS
Oscillator
Configuration
PWRTE = 0
Power-up
XT, HS, LP
RC
72 ms + 1024 TOSC
72 ms
PWRTE = 1
1024 TOSC
—
TABLE 6-4: STATUS BITS AND THEIR SIGNIFICANCE
POR
TO
PD
0
1
1
Power-on Reset
0
0
X
Illegal, TO is set on POR
0
X
0
Illegal, PD is set on POR
1
0
u
WDT Reset
1
0
0
WDT Wake-up
1
u
u
MCLR Reset during normal operation
1
1
0
MCLR Reset during SLEEP
Wake-up from
SLEEP
1024 TOSC
—
1996-2013 Microchip Technology Inc.
Preliminary
DS40143E-page 37
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