PIC18F6390 Datasheet, PDF (109/412 Pages) Microchip Technology – 64/80-Pin Flash Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F6390/6490/8390/8490
8.5 RCON Register
The RCON register contains bits used to determine the
cause of the last Reset or wake-up from Idle or Sleep
modes. RCON also contains the bit that enables
interrupt priorities (IPEN).
REGISTER 8-13: RCON: RESET CONTROL REGISTER
R/W-0
R/W-1
U-0
R/W-1
R-1
IPEN SBOREN
—
RI
TO
bit 7
R-1
R/W-0 R/W-0
PD
POR
BOR
bit 0
bit 7 IPEN: Interrupt Priority Enable bit
1 = Enable priority levels on interrupts
0 = Disable priority levels on interrupts (PIC16CXXX Compatibility mode)
bit 6 SBOREN: Software BOR Enable bit
For details of bit operation and Reset state, see Register 4-1.
bit 5 Unimplemented: Read as ‘0’
bit 4 RI: RESET Instruction Flag bit
For details of bit operation, see Register 4-1.
bit 3 TO: Watchdog Timer Time-out Flag bit
For details of bit operation, see Register 4-1.
bit 2 PD: Power-down Detection Flag bit
For details of bit operation, see Register 4-1.
bit 1 POR: Power-on Reset Status bit
For details of bit operation, see Register 4-1.
bit 0 BOR: Brown-out Reset Status bit
For details of bit operation, see Register 4-1.
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
 2004 Microchip Technology Inc.
Preliminary
DS39629B-page 107