16F84A Microchip Technology, 16F84A Datasheet - Page 10
16F84A
Manufacturer Part Number
16F84A
Description
18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller
Manufacturer
Microchip Technology
Datasheet
1.16F84A.pdf
(68 pages)
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PIC16F84A
2.2.2.3
The INTCON register is a readable and writable
register which contains the various enable bits for all
interrupt sources.
FIGURE 2-1:
DS35007A-page 10
bit7
bit 7:
bit 6:
bit 5:
bit 4:
bit 3:
bit 2:
bit 1:
bit 0:
R/W-0
GIE
INTCON REGISTER
GIE: Global Interrupt Enable bit
1 = Enables all un-masked interrupts
0 = Disables all interrupts
Note: For the operation of the interrupt structure, please refer to Section •.
EEIE: EE Write Complete Interrupt Enable bit
1 = Enables the EE write complete interrupt
0 = Disables the EE write complete interrupt
T0IE: TMR0 Overflow Interrupt Enable bit
1 = Enables the TMR0 interrupt
0 = Disables the TMR0 interrupt
INTE: RB0/INT Interrupt Enable bit
1 = Enables the RB0/INT interrupt
0 = Disables the RB0/INT interrupt
RBIE: RB Port Change Interrupt Enable bit
1 = Enables the RB port change interrupt
0 = Disables the RB port change interrupt
T0IF: TMR0 Overflow Interrupt Flag bit
1 = TMR0 has overflowed (must be cleared in software)
0 = TMR0 did not overflow
INTF: RB0/INT Interrupt Flag bit
1 = The RB0/INT interrupt occurred
0 = The RB0/INT interrupt did not occur
RBIF: RB Port Change Interrupt Flag bit
1 = When at least one of the RB7:RB4 pins changed state (must be cleared in software)
0 = None of the RB7:RB4 pins have changed state
R/W-0
EEIE
INTCON REGISTER (ADDRESS 0Bh, 8Bh)
R/W-0
T0IE
R/W-0
INTE
R/W-0
RBIE
Preliminary
R/W-0
T0IF
R/W-0
INTF
Note:
R/W-x
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>).
RBIF
bit0
R = Readable bit
W = Writable bit
U = Unimplemented bit,
- n = Value at POR reset
1998 Microchip Technology Inc.
read as ‘0’
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