PIC16F716 查看數據表（PDF） - Microchip Technology

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PIC16F716

8-bit Flash-based Microcontroller with A/D Converter and Enhanced Capture/Compare/PWM

Microchip Technology 

PIC16F716

2.2.2.5 PIR1 Register

This register contains the individual flag bits for the

peripheral interrupts.

Note:

Interrupt flag bits get set when an interrupt

condition occurs, regardless of the state of

its corresponding enable bit or the global

enable bit, GIE (INTCON<7>). User

software should ensure the appropriate

interrupt flag bits are clear prior to

enabling an interrupt.

REGISTER 2-5:

PIR1 REGISTER (ADDRESS: 0Ch)

U-0

R/W-0

U-0

U-0

—

ADIF

—

—

bit 7

U-0

R/W-0 R/W-0 R/W-0

—

CCP1IF TMR2IF TMR1IF

bit 0

bit 7

bit 6

bit 5-3

bit 2

bit 1

bit 0

Unimplemented: Read as ‘0’

ADIF: A/D Converter Interrupt Flag bit

1 = An A/D conversion completed (must be cleared in software)

0 = The A/D conversion is not complete

Unimplemented: Read as ‘0’

CCP1IF: CCP1 Interrupt Flag bit

Capture Mode

1 = A TMR1 register capture occurred (must be cleared in software)

0 = No TMR1 register capture occurred

Compare Mode

1 = A TMR1 register compare match occurred (must be cleared in software)

0 = No TMR1 register compare match occurred

PWM Mode

Unused in this mode

TMR2IF: TMR2 to PR2 Match Interrupt Flag bit

1 = TMR2 to PR2 match occurred (must be cleared in software)

0 = No TMR2 to PR2 match occurred

TMR1IF: TMR1 Overflow Interrupt Flag bit

1 = TMR1 register overflowed (must be cleared in software)

0 = TMR1 register did not overflow

Legend:

R = Readable bit

-n = Value at POR

W = Writable bit

‘1’ = Bit is set

U = Unimplemented bit, read as ‘0’

‘0’ = Bit is cleared x = Bit is unknown

 2003 Microchip Technology Inc.

Preliminary

DS41206A-page 15

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