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16LF1613 Datasheet(PDF) 74 Page - Microchip Technology

Part # 16LF1613
Description  8/14-Pin, 8-Bit Flash Microcontroller
PDF  396 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

16LF1613 Datasheet(HTML) 74 Page - Microchip Technology

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 2014-2016 Microchip Technology Inc.
DS40001737B-page 74
PIC12(L)F1612/16(L)F1613
6.12
Determining the Cause of a Reset
Upon any Reset, multiple bits in the STATUS and
PCON registers are updated to indicate the cause of
the Reset. Table 6-3 and Table 6-4 show the Reset
conditions of these registers.
TABLE 6-3:
RESET STATUS BITS AND THEIR SIGNIFICANCE
TABLE 6-4:
RESET CONDITION FOR SPECIAL REGISTERS
STKOVF STKUNF RWDT
RMCLR
RI
POR
BOR
TO
PD
Condition
00
1
1
1
0
x
1
1
Power-on Reset
00
1
1
1
0
x
0
x
Illegal, TO is set on POR
00
1
1
1
0
x
x
0
Illegal, PD is set on POR
00
u
1
1
u
0
1
1
Brown-out Reset
uu
0
u
u
u
u
0
u
WDT Reset
uu
u
u
u
u
u
0
0
WDT Wake-up from Sleep
uu
u
u
u
u
u
1
0
Interrupt Wake-up from Sleep
uu
u
0
u
u
u
u
u
MCLR Reset during normal operation
uu
u
0
u
u
u
1
0
MCLR Reset during Sleep
u
u
u
u
0
u
u
u
u
RESET
Instruction Executed
1u
u
u
u
u
u
u
u
Stack Overflow Reset (STVREN = 1)
u1
u
u
u
u
u
u
u
Stack Underflow Reset (STVREN = 1)
Condition
Program
Counter
STATUS
Register
PCON
Register
Power-on Reset
0000h
---1 1000
0011 110x
MCLR Reset during normal operation
0000h
---u uuuu
uuuu 0uuu
MCLR Reset during Sleep
0000h
---1 0uuu
uuuu 0uuu
WDT Reset
0000h
---0 uuuu
uuu0 uuuu
WDT Wake-up from Sleep
PC + 1
---0 0uuu
uuuu uuuu
Brown-out Reset
0000h
---1 1uuu
00uu 11u0
Interrupt Wake-up from Sleep
PC + 1(1)
---1 0uuu
uuuu uuuu
RESET
Instruction Executed
0000h
---u uuuu
uuuu u0uu
Stack Overflow Reset (STVREN = 1)
0000h
---u uuuu
1uuu uuuu
Stack Underflow Reset (STVREN = 1)
0000h
---u uuuu
u1uu uuuu
WDT Window Violation
0000h
---1 uuuu
uu0u uuuu
Legend: u
= unchanged, x = unknown, - = unimplemented bit, reads as ‘0’.
Note 1:
When the wake-up is due to an interrupt and the Global Interrupt Enable bit (GIE) is set, the return address is
pushed on the stack and PC is loaded with the interrupt vector (0004h) after execution of PC + 1.



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