PIC16F724-I/SP 查看數據表（PDF） - Microchip Technology

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PIC16F724-I/SP

28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC16F72X/PIC16LF72X

2.2.2.3 PCON Register

The Power Control (PCON) register contains flag bits

(refer to Table 3-2) to differentiate between a:

• Power-on Reset (POR)

• Brown-out Reset (BOR)

• Watchdog Timer Reset (WDT)

• External MCLR Reset

The PCON register also controls the software enable of

the BOR.

The PCON register bits are shown in Register 2-3.

REGISTER 2-3: PCON: POWER CONTROL REGISTER

U-0

—

bit 7

U-0

U-0

U-0

U-0

—

—

—

—

U-0

R/W-q

R/W-q

—

POR

BOR

bit 0

Legend:

R = Readable bit

W = Writable bit

-n = Value at POR

‘1’ = Bit is set

q = Value depends on condition

U = Unimplemented bit, read as ‘0’

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-2

bit 1

bit 0

Unimplemented: Read as ‘0’

POR: Power-on Reset Status bit

1 = No Power-on Reset occurred

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

BOR: Brown-out Reset Status bit

1 = No Brown-out Reset occurred

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

occurs)

Note 1: Set BOREN<1:0> = 01 in the Configuration Word register for this bit to control the BOR.

© 2009 Microchip Technology Inc.

DS41341E-page 29

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