PIC16F870/871
2.2.2.4 PIE1 REGISTER
The PIE1 Register contains the individual enable bits
for the peripheral interrupts.
REGISTER 2-4: PIE1 REGISTER (ADDRESS 8Ch)
Note: Bit PEIE (INTCON<6>) must be set to
enable any peripheral interrupt.
R/W-0 R/W-0 R/W-0 R/W-0 U-0 R/W-0 R/W-0 R/W-0
PSPIE(1) ADIE RCIE TXIE
CCP1IE TMR2IE TMR1IE
bit7
bit0
bit 7:
bit 6:
bit 5:
bit 4:
bit 3:
bit 2:
bit 1:
bit 0:
PSPIE(1): Parallel Slave Port Read/Write Interrupt Enable bit
1 = Enables the PSP read/write interrupt
0 = Disables the PSP read/write interrupt
ADIE: A/D Converter Interrupt Enable bit
1 = Enables the A/D converter interrupt
0 = Disables the A/D converter interrupt
RCIE: USART Receive Interrupt Enable bit
1 = Enables the USART receive interrupt
0 = Disables the USART receive interrupt
TXIE: USART Transmit Interrupt Enable bit
1 = Enables the USART transmit interrupt
0 = Disables the USART transmit interrupt
Unimplemented: Read as ‘0’
CCP1IE: CCP1 Interrupt Enable bit
1 = Enables the CCP1 interrupt
0 = Disables the CCP1 interrupt
TMR2IE: TMR2 to PR2 Match Interrupt Enable bit
1 = Enables the TMR2 to PR2 match interrupt
0 = Disables the TMR2 to PR2 match interrupt
TMR1IE: TMR1 Overflow Interrupt Enable bit
1 = Enables the TMR1 overflow interrupt
0 = Disables the TMR1 overflow interrupt
R = Readable bit
W = Writable bit
U = Unimplemented bit,
read as ‘0’
- n= Value at POR reset
Note 1: PSPIE is reserved on the PIC16F870; always maintain this bit clear.
© 1999 Microchip Technology Inc.
Preliminary
DS30569A-page 19