PIC16F871 Microchip Technology Inc., PIC16F871 Datasheet - Page 21

• Manufacturer Part Number: PIC16F871
• Description: 28/40-pin, 8-bit Cmos Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

2.2.2.4
The PIE1 register contains the individual enable bits for
the peripheral interrupts.
REGISTER 2-4:
 2003 Microchip Technology Inc.
Note:
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Bit PEIE (INTCON<6>) must be set to
enable any peripheral interrupt.
PIE1 Register
PIE1 REGISTER (ADDRESS: 8Ch)
bit 7
PSPIE
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
Legend:
R = Readable bit
- n = Value at POR
PSPIE
R/W-0
Note 1: PSPIE is reserved on the PIC16F870; always maintain this bit clear.
(1)
(1)
: Parallel Slave Port Read/Write Interrupt Enable bit
R/W-0
ADIE
R/W-0
RCIE
W = Writable bit
‘1’ = Bit is set
R/W-0
TXIE
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
PIC16F870/871
CCP1IE
R/W-0
x = Bit is unknown
TMR2IE
R/W-0
DS30569B-page 19
TMR1IE
R/W-0
bit 0