SE33 datasheet(100/478 Pages) MICROCHIP

100 / 478 page

PIC16(L)F1946/47

DS41414D-page 100

 2010-2012 Microchip Technology Inc.

PIR4: PERIPHERAL INTERRUPT REQUEST REGISTER 4

U-0

R/W-0/0

U-0

R/W-0/0

—

RC2IF

TX2IF

—

BCL2IF

SSP2IF

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

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

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7-6

Unimplemented: Read as ‘0’

bit 5

RC2IF: USART2 Receive Interrupt Flag bit

1 = Interrupt is pending

0 = Interrupt is not pending

bit 4

TX2IF: USART2 Transmit Interrupt Flag bit

1 = Interrupt is pending

0 = Interrupt is not pending

bit 3-2

Unimplemented: Read as ‘0’

bit 1

BCL2IF: MSSP2 Bus Collision Interrupt Flag bit

1 = Interrupt is pending

0 = Interrupt is not pending

bit 0

SSP2IF: Synchronous Serial Port (MSSP2) Interrupt Flag bit

1 = Interrupt is pending

0 = Interrupt is not pending

Note:

Interrupt flag bits are set when an interrupt

condition occurs, regardless of the state of

its corresponding enable bit or the Global

Enable bit, GIE, of the INTCON register.

User

software

should

ensure

the

appropriate interrupt flag bits are clear prior

to enabling an interrupt.

SE33 데이터시트(PDF) 100 Page - Microchip Technology

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