
2004 Microchip Technology Inc.
DS39609B-page 101
PIC18F6520/8520/6620/8620/6720/8720
9.5
RCON Register
The RCON register contains the IPEN bit, which is
used to enable prioritized interrupts. The functions of
the other bits in this register are discussed in more
REGISTER 9-13:
RCON REGISTER
R/W-0
U-0
R/W-1
R-1
R/W-0
IPEN
—
—RI
TO
PD
POR
BOR
bit 7
bit 0
bit 7
IPEN: Interrupt Priority Enable bit
1
= Enable priority levels on interrupts
0
= Disable priority levels on interrupts (PIC16 Compatibility mode)
bit 6-5
Unimplemented: Read as ‘0’
bit 4
RI: RESET Instruction Flag bit
bit 3
TO: Watchdog Time-out Flag bit
bit 2
PD: Power-Down Detection Flag bit
bit 1
POR: Power-on Reset Status bit
bit 0
BOR: Brown-out Reset Status bit
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
- n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown