Datasheet

PIC24F16KA102 FAMILY
DS39927C-page 58  2008-2011 Microchip Technology Inc.
REGISTER 7-1: RCON: RESET CONTROL REGISTER
(1)
R/W-0, HS R/W-0, HS R/W-0 U-0 U-0 R/C-0, HS R/W-0, HS R/W-0
TRAPR IOPUWR SBOREN — — DPSLP CM PMSLP
bit 15 bit 8
R/W-0, HS R/W-0, HS R/W-0, HS R/W-0, HS R/W-0, HS R/W-0, HS R/W-1, HS R/W-1, HS
EXTR SWR SWDTEN
(2)
WDTO SLEEP IDLE BOR POR
bit 7 bit 0
Legend: C = Clearable bit HS = Hardware Settable bit
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
bit 15 TRAPR: Trap Reset Flag bit
1 = A Trap Conflict Reset has occurred
0 = A Trap Conflict Reset has not occurred
bit 14 IOPUWR: Illegal Opcode or Uninitialized W Access Reset Flag bit
1 = An illegal opcode detection, an illegal address mode or uninitialized W register used as an
Address Pointer caused a Reset
0 = An illegal opcode or uninitialized W Reset has not occurred
bit 13 SBOREN: Software Enable/Disable of BOR bit
1 = BOR is turned on in software
0 = BOR is turned off in software
bit 12-11 Unimplemented: Read as ‘0’
bit 10 DPSLP: Deep Sleep Mode Flag bit
1 = Deep Sleep has occurred
0 = Deep Sleep has not occurred
bit 9 CM: Configuration Word Mismatch Reset Flag bit
1 = A Configuration Word Mismatch has occurred
0 = A Configuration Word Mismatch has not occurred
bit 8 PMSLP: Program Memory Power During Sleep bit
1 = Program memory bias voltage remains powered during Sleep
0 = Program memory bias voltage is powered down during Sleep
bit 7 EXTR: External Reset (MCLR
) Pin bit
1 = A Master Clear (pin) Reset has occurred
0 = A Master Clear (pin) Reset has not occurred
bit 6 SWR: Software Reset (Instruction) Flag bit
1 = A RESET instruction has been executed
0 = A RESET instruction has not been executed
bit 5 SWDTEN: Software Enable/Disable of WDT bit
(2)
1 = WDT is enabled
0 = WDT is disabled
bit 4 WDTO: Watchdog Timer Time-out Flag bit
1 = WDT time-out has occurred
0 = WDT time-out has not occurred
Note 1: All of the Reset status bits may be set or cleared in software. Setting one of these bits in software does not
cause a device Reset.
2: If the FWDTEN Configuration bit is ‘1’ (unprogrammed), the WDT is always enabled, regardless of the
SWDTEN bit setting.