PIC16F18345 datasheet(63/442 Pages) MICROCHIP

63 / 442 page

 2015 Microchip Technology Inc.

Preliminary

DS40001799A-page 63

PIC16(L)F18313/18323

5.13

TABLE 5-5:

SUMMARY OF REGISTERS ASSOCIATED WITH RESETS

PCON0: POWER CONTROL REGISTER 0

R/W/HS-0/q

U-0

R/W/HC-1/q

R/W/HC-q/u

STKOVF

STKUNF

—

RWDT

RMCLR

POR

BOR

bit 7

bit 0

Legend:

HC = Bit is cleared by hardware

HS = Bit is set by hardware

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-m/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

q = Value depends on condition

bit 7

STKOVF:

Stack Overflow Flag bit

= A Stack Overflow occurred

= A Stack Overflow has not occurred or cleared by firmware

bit 6

STKUNF:

Stack Underflow Flag bit

= A Stack Underflow occurred

= A Stack Underflow has not occurred or cleared by firmware

bit 5

Unimplemented:

Read as ‘0’

bit 4

RWDT:

Watchdog Timer Reset Flag bit

= A Watchdog Timer Reset has not occurred or set to ‘1’ by firmware

= A Watchdog Timer Reset has occurred (cleared by hardware)

bit 3

RMCLR:

MCLR Reset Flag bit

= A MCLR Reset has not occurred or set to ‘1’ by firmware

= A MCLR Reset has occurred (cleared by hardware)

bit 2

RI: RESET

Instruction Flag bit

= A RESET instruction has not been executed or set to ‘1’ by firmware

= A RESET instruction has been executed (cleared by hardware)

bit 1

POR:

Power-on Reset Status bit

= No Power-on Reset occurred

= A Power-on Reset occurred (must be set in software after a Power-on Reset occurs)

bit 0

BOR:

Brown-out Reset Status bit

= No Brown-out Reset occurred

= A Brown-out Reset occurred (must be set in software after a Power-on Reset or Brown-out Reset occurs)

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

on Page

BORCON SBOREN

—

BORRDY

PCON0

STKOVF

STKUNF

—RWDT

RMCLR

POR

BOR

STATUS

—

—TO

WDTCON

—

WDTPS<4:0>

SWDTEN

107

Legend:

— = unimplemented location, read as ‘0’. Shaded cells are not used by Resets.

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