PIC12F639 Microchip Technology, PIC12F639 Datasheet - Page 122

• Manufacturer Part Number: PIC12F639
• Description: (PIC12F635 / PIC12F636 / PIC12F639) 8/14-PIN FLASH-BASED / 8-BIT CMOS MICROCONTROLLERS WITH NANOWATT TECHNOLOGY
• Manufacturer: Microchip Technology

PIC12F635/PIC16F636/639
TABLE 12-5:
DS41232B-page 120
Power-on Reset
MCLR Reset during normal operation
MCLR Reset during Sleep
WDT Reset
WDT Wake-up
Brown-out Detect
Interrupt Wake-up from Sleep
Wake-up Reset
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 PC is loaded
with the interrupt vector (0004h) after execution of PC + 1.
Condition
INITIALIZATION CONDITION FOR SPECIAL REGISTERS
Preliminary
Program
PC + 1
Counter
PC + 1
000h
000h
000h
000h
000h
000h
(1)
0001 1xxx
000u uuuu
0001 0uuu
0000 uuuu
uuu0 0uuu
0001 1uuu
uuu1 0uuu
0001 1xxx
Register
Status
© 2005 Microchip Technology Inc.
--01 --0x
--0u --uu
--0u --uu
--0u --uu
--uu --uu
--01 --10
--uu --uu
--01 --0x
Register
PCON