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PIC16F7X Datasheet, PDF (98/174 Pages) Microchip Technology – 28/40-Pin 8-Bit CMOS FLASH Microcontrollers
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PIC16F7X
TABLE 12-6: INITIALIZATION CONDITIONS FOR ALL REGISTERS
Register
Devices
Power-on Reset,
Brown-out Reset
MCLR Reset,
WDT Reset
Wake-up via WDT or
Interrupt
W
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
INDF
73 74 76 77
N/A
N/A
N/A
TMR0
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
PCL
73 74 76 77
0000h
0000h
PC + 1(2)
STATUS
73 74 76 77
0001 1xxx
000q quuu(3)
uuuq quuu(3)
FSR
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTA
73 74 76 77
--0x 0000
--0u 0000
--uu uuuu
PORTB
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTC
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTD
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
PORTE
73 74 76 77
---- -xxx
---- -uuu
---- -uuu
PCLATH
73 74 76 77
---0 0000
---0 0000
---u uuuu
INTCON
73 74 76 77
0000 000x
0000 000u
uuuu uuuu(1)
PIR1
73 74 76 77
r000 0000
r000 0000
ruuu uuuu(1)
73 74 76 77
0000 0000
0000 0000
uuuu uuuu(1)
PIR2
73 74 76 77
---- ---0
---- ---0
---- ---u(1)
TMR1L
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
TMR1H
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
T1CON
73 74 76 77
--00 0000
--uu uuuu
--uu uuuu
TMR2
73 74 76 77
0000 0000
0000 0000
uuuu uuuu
T2CON
73 74 76 77
-000 0000
-000 0000
-uuu uuuu
SSPBUF
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
SSPCON
73 74 76 77
0000 0000
0000 0000
uuuu uuuu
CCPR1L
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
CCPR1H
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
CCP1CON
73 74 76 77
--00 0000
--00 0000
--uu uuuu
RCSTA
73 74 76 77
0000 -00x
0000 -00x
uuuu -uuu
TXREG
73 74 76 77
0000 0000
0000 0000
uuuu uuuu
RCREG
73 74 76 77
0000 0000
0000 0000
uuuu uuuu
CCPR2L
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
CCPR2H
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
CCP2CON
73 74 76 77
0000 0000
0000 0000
uuuu uuuu
ADRES
73 74 76 77
xxxx xxxx
uuuu uuuu
uuuu uuuu
ADCON0
73 74 76 77
0000 00-0
0000 00-0
uuuu uu-u
OPTION_REG 73 74 76 77
1111 1111
1111 1111
uuuu uuuu
TRISA
73 74 76 77
--11 1111
--11 1111
--uu uuuu
TRISB
73 74 76 77
1111 1111
1111 1111
uuuu uuuu
TRISC
73 74 76 77
1111 1111
1111 1111
uuuu uuuu
TRISD
73 74 76 77
1111 1111
1111 1111
uuuu uuuu
TRISE
73 74 76 77
0000 -111
0000 -111
uuuu -uuu
PIE1
73 74 76 77
r000 0000
r000 0000
ruuu uuuu
73 74 76 77
0000 0000
0000 0000
uuuu uuuu
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.
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