PIC16F7X
TABLE 12-6: INITIALIZATION CONDITIONS FOR ALL REGISTERS
Power-on Reset,
Brown-out Reset
MCLR Reset,
WDT Reset
Wake-up via WDT or
Interrupt
Register
Devices
W
73
73
73
74
74
74
76
76
76
77
77
77
xxxx xxxx
N/A
uuuu uuuu
N/A
uuuu uuuu
N/A
INDF
TMR0
xxxx xxxx
uuuu uuuu
uuuu uuuu
PCL
73
74
76
77
0000h
0000h
PC + 1(2)
STATUS
FSR
73
73
73
73
73
73
73
73
74
74
74
74
74
74
74
74
76
76
76
76
76
76
76
76
77
77
77
77
77
77
77
77
0001 1xxx
xxxx xxxx
--0x 0000
xxxx xxxx
xxxx xxxx
xxxx xxxx
---- -xxx
---0 0000
000q quuu(3)
uuuu uuuu
--0u 0000
uuuu uuuu
uuuu uuuu
uuuu uuuu
---- -uuu
---0 0000
uuuq quuu(3)
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
---- -uuu
---u uuuu
PORTA
PORTB
PORTC
PORTD
PORTE
PCLATH
INTCON
PIR1
73
73
73
74
74
74
76
76
76
77
77
77
0000 000x
r000 0000
0000 0000
0000 000u
r000 0000
0000 0000
uuuu uuuu(1)
ruuu uuuu(1)
uuuu uuuu(1)
PIR2
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
73
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
74
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
77
---- ---0
xxxx xxxx
xxxx xxxx
--00 0000
0000 0000
-000 0000
xxxx xxxx
0000 0000
xxxx xxxx
xxxx xxxx
--00 0000
0000 -00x
0000 0000
0000 0000
xxxx xxxx
xxxx xxxx
0000 0000
xxxx xxxx
0000 00-0
1111 1111
--11 1111
1111 1111
1111 1111
1111 1111
0000 -111
r000 0000
0000 0000
---- ---0
uuuu uuuu
uuuu uuuu
--uu uuuu
0000 0000
-000 0000
uuuu uuuu
0000 0000
uuuu uuuu
uuuu uuuu
--00 0000
0000 -00x
0000 0000
0000 0000
uuuu uuuu
uuuu uuuu
0000 0000
uuuu uuuu
0000 00-0
1111 1111
--11 1111
1111 1111
1111 1111
1111 1111
0000 -111
r000 0000
0000 0000
---- ---u(1)
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
-uuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu -uuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uu-u
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu -uuu
ruuu uuuu
uuuu uuuu
TMR1L
TMR1H
T1CON
TMR2
T2CON
SSPBUF
SSPCON
CCPR1L
CCPR1H
CCP1CON
RCSTA
TXREG
RCREG
CCPR2L
CCPR2H
CCP2CON
ADRES
ADCON0
OPTION_REG
TRISA
TRISB
TRISC
TRISD
TRISE
PIE1
Legend: u= unchanged, x= unknown, -= unimplemented bit, read as ’0’, q= value depends on condition,
r= reserved, maintain clear
Note 1: One or more bits in INTCON, PIR1 and/or PIR2 will be affected (to cause wake-up).
2: When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector (0004h).
3: See Table 12-5 for RESET value for specific condition.
DS30325B-page 96
2002 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
