Datasheet

1999-2013 Microchip Technology Inc. Preliminary DS41124D-page 105
PIC16C745/765
TABLE 13-7: INITIALIZATION CONDITIONS FOR ALL REGISTERS
Register
Power-on Reset
Brown-out Reset
MCLR
Resets
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 xx-- -xxx uu-- -uuu uu-- -uuu
PORTD
(4)
xxxx xxxx uuuu uuuu uuuu uuuu
PORTE
(4)
---- -xxx ---- -uuu ---- -uuu
PCLATH ---0 0000 ---0 0000 ---u uuuu
INTCON 0000 000x 0000 000u
uuuu uuuu
(1)
PIR1
0000 0000 0000 0000
uuuu uuuu
(1)
PIR2 ---- ---0 ---- ---0
---- ---u
(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
CCPR1L xxxx xxxx uuuu uuuu uuuu uuuu
CCPR1H xxxx xxxx uuuu uuuu uuuu uuuu
CCP1CON --00 0000 --00 0000 --uu uuuu
RCSTA 0000 -00x 0000 -00x uuuu -uuu
TXREG 0000 0000 0000 0000 uuuu uuuu
RCREG 0000 0000 0000 0000 uuuu uuuu
CCPR2L xxxx xxxx uuuu uuuu uuuu uuuu
CCPR2H xxxx xxxx uuuu uuuu uuuu uuuu
CCP2CON 0000 0000 0000 0000 uuuu uuuu
ADRES xxxx xxxx uuuu uuuu uuuu uuuu
ADCON0 0000 00-0 0000 00-0 uuuu uu-u
OPTION_REG 1111 1111 1111 1111 uuuu uuuu
TRISA --11 1111 --11 1111 --uu uuuu
TRISB 1111 1111 1111 1111 uuuu uuuu
TRISC 11-- -111 11-- -111 uu-- -uuu
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as '0', q = value depends on condition
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 13-5 for RESET value for specific condition.
4: PIC16C765 only.