PIC18F258-ESLASHLSQTP datasheet(87/402 Pages) MICROCHIP

87 / 402 page

DS41159E-page 85

PIC18FXX8

8.3

PIE Registers

The Peripheral Interrupt Enable (PIE) registers contain

the individual enable bits for the peripheral interrupts

(Register 8-7 through Register 8-9). Due to the number

of peripheral interrupt sources, there are three Periph-

eral Interrupt Enable registers (PIE1, PIE2, PIE3).

When IPEN is clear, the PEIE bit must be set to enable

any of these peripheral interrupts.

PIE1: PERIPHERAL INTERRUPT ENABLE REGISTER 1

R/W-0

PSPIE(1)

ADIE

RCIE

TXIE

SSPIE

CCP1IE

TMR2IE

TMR1IE

bit 7

bit 0

bit 7

PSPIE: Parallel Slave Port Read/Write Interrupt Enable bit(1)

= Enables the PSP read/write interrupt

= Disables the PSP read/write interrupt

bit 6

ADIE: A/D Converter Interrupt Enable bit

= Enables the A/D interrupt

= Disables the A/D interrupt

bit 5

RCIE: USART Receive Interrupt Enable bit

= Enables the USART receive interrupt

= Disables the USART receive interrupt

bit 4

TXIE: USART Transmit Interrupt Enable bit

= Enables the USART transmit interrupt

= Disables the USART transmit interrupt

bit 3

SSPIE: Master Synchronous Serial Port Interrupt Enable bit

= Enables the MSSP interrupt

= Disables the MSSP interrupt

bit 2

CCP1IE: CCP1 Interrupt Enable bit

= Enables the CCP1 interrupt

= Disables the CCP1 interrupt

bit 1

TMR2IE: TMR2 to PR2 Match Interrupt Enable bit

= Enables the TMR2 to PR2 match interrupt

= Disables the TMR2 to PR2 match interrupt

bit 0

TMR1IE: TMR1 Overflow Interrupt Enable bit

= Enables the TMR1 overflow interrupt

= Disables the TMR1 overflow interrupt

Note 1: This bit is only available on PIC18F4X8 devices. For PIC18F2X8 devices, this bit

is unimplemented and reads as ‘0’.

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

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