Datasheet

PIC16F72
DS39597C-page 66 © 2007 Microchip Technology Inc.
TABLE 11-6: INITIALIZATION CONDITIONS FOR ALL REGISTERS
Register
Power-on Reset,
Brown-out Reset
MCLR
Reset,
WDT Reset
Wake-up via WDT or
Interrupt
W xxxx xxxx uuuu uuuu uuuu uuuu
INDF N/A N/A N/A
TMR0 xxxx xxxx uuuu uuuu uuuu uuuu
PCL 0000h 0000h PC + 1
(2)
STATUS 0001 1xxx 000q quuu
(3)
uuuq quuu
(3)
FSR xxxx xxxx uuuu uuuu uuuu uuuu
PORTA --0x 0000 --0u 0000 --uu uuuu
PORTB xxxx xxxx uuuu uuuu uuuu uuuu
PORTC xxxx xxxx uuuu uuuu uuuu uuuu
PCLATH ---0 0000 ---0 0000 ---u uuuu
INTCON 0000 000x 0000 000u uuuu uuuu
(1)
PIR1 -0-- 0000 -0-- 0000 -u-- uuuu
(1)
TMR1L xxxx xxxx uuuu uuuu uuuu uuuu
TMR1H xxxx xxxx uuuu uuuu uuuu uuuu
T1CON --00 0000 --uu uuuu --uu uuuu
TMR2 0000 0000 0000 0000 uuuu uuuu
T2CON -000 0000 -000 0000 -uuu uuuu
SSPBUF xxxx xxxx uuuu uuuu uuuu uuuu
SSPCON 0000 0000 0000 0000 uuuu uuuu
CCPR1L xxxx xxxx uuuu uuuu uuuu uuuu
CCPR1H xxxx xxxx uuuu uuuu uuuu uuuu
CCP1CON --00 0000 --00 0000 --uu uuuu
ADRES xxxx xxxx uuuu uuuu uuuu uuuu
ADCON0 0000 00-0 0000 00-0 uuuu uu-u
OPTION 1111 1111 1111 1111 uuuu uuuu
TRISA --11 1111 --11 1111 --uu uuuu
TRISB 1111 1111 1111 1111 uuuu uuuu
TRISC 1111 1111 1111 1111 uuuu uuuu
PIE1 -0-- 0000 -0-- 0000 -u-- uuuu
PCON ---- --qq ---- --uu ---- --uu
PR2 1111 1111 1111 1111 1111 1111
SSPADD 0000 0000 0000 0000 uuuu uuuu
SSPSTAT --00 0000 --00 0000 --uu uuuu
ADCON1 ---- -000 ---- -000 ---- -uuu
PMDATL 0--- 0000 0--- 0000 u--- uuuu
PMADRL xxxx xxxx uuuu uuuu uuuu uuuu
PMDATH xxxx xxxx uuuu uuuu uuuu uuuu
PMADRH xxxx xxxx uuuu uuuu uuuu uuuu
PMCON1 1--- ---0 1--- ---0 1--- ---u
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 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 11-5 for RESET value for specific condition.