PCON0

Power Control Register 0
Name:
PCON0
Address:
0x4F0
Reset:
Access:
Bit76543210
STKOVFSTKUNFWDTWVRWDTRMCLRRIPORBOR
AccessR/W/HSR/W/HSR/W/HCR/W/HCR/W/HCR/W/HCR/W/HCR/W/HC
Reset0011110q

Bit 7 – STKOVF: Stack Overflow Flag

Stack Overflow Flag

ValueDescription
1 A Stack Overflow occurred (more CALLs than fit on the stack)
0 A Stack Overflow has not occurred or set to ‘0’ by firmware

Bit 6 – STKUNF: Stack Underflow Flag

Stack Underflow Flag

ValueDescription
1 A Stack Underflow occurred (more RETURNs than CALLs)
0 A Stack Underflow has not occurred or set to ‘0’ by firmware

Bit 5 – WDTWV: Watchdog Window Violation Flag

Watchdog Window Violation Flag

ValueDescription
1 A WDT window violation has not occurred or set to ‘1’ by firmware
0

A CLRWDT instruction was issued when the WDT Reset window was closed (set to ‘0’ in hardware when a WDT window violation Reset occurs)

Bit 4 – RWDT: WDT Reset Flag

WDT Reset Flag

ValueDescription
1 A WDT overflow/time-out Reset has not occurred or set to ‘1’ by firmware
0 A WDT overflow/time-out Reset has occurred (set to ‘0’ in hardware when a WDT Reset occurs)

Bit 3 – RMCLR: MCLR Reset Flag

MCLR Reset Flag

ValueDescription
1 A MCLR Reset has not occurred or set to ‘1’ by firmware
0 A MCLR Reset has occurred (set to ‘0’ in hardware when a MCLR Reset occurs)

Bit 2 – RI: RESET Instruction Flag

RESET Instruction Flag

ValueDescription
1 A RESET instruction has not been executed or set to ‘1’ by firmware
0 A RESET instruction has been executed (set to ‘0’ in hardware upon executing a RESET instruction)

Bit 1 – POR: Power-on Reset Status

Power-on Reset Status

ValueDescription
1 No Power-on Reset occurred or set to ‘1’ by firmware
0 A Power-on Reset occurred (set to ‘0’ in hardware when a Power-on Reset occurs)

Bit 0 – BOR: Brown-out Reset Status

Brown-out Reset Status

ValueDescription
1 No Brown-out Reset occurred or set to ‘1’ by firmware
0 A Brown-out Reset occurred (set to ‘0’ in hardware when a Brown-out Reset occurs)