參數(shù)資料
型號: 16F872
廠商: Microchip Technology Inc.
英文描述: CAT 5E CROSSOVER PATCH CORD CABLE GREEN 10 FT
中文描述: 28引腳,8位閃存微控制器的CMOS
文件頁數(shù): 18/160頁
文件大?。?/td> 2600K
代理商: 16F872
PIC16F872
DS30221A-page 18
Preliminary
1999 Microchip Technology Inc.
2.2.2.7
PIR2 REGISTER
The PIR2 register contains the flag bits for the SSP bus
collision interrupt and the EEPROM write operation
interrupt.
.
REGISTER 2-7:
PIR2 REGISTER (ADDRESS 0Dh)
Note:
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>). User soft-
ware should ensure the appropriate inter-
rupt flag bits are clear prior to enabling an
interrupt.
U-0
R/W-0
U-0
R/W-0
EEIF
R/W-0
BCLIF
U-0
U-0
R/W-0
R = Readable bit
W = Writable bit
U = Unimplemented bit,
read as ‘0’
- n= Value at POR reset
bit7
bit0
bit 7:
bit 6:
bit 5:
bit 4:
Unimplemented:
Read as '0'
Reserved:
Always maintain this bit clear
Unimplemented:
Read as '0'
EEIF
: EEPROM Write Operation Interrupt Flag bit
1
= The write operation completed (must be cleared in software)
0
= The write operation is not complete or has not been started
BCLIF
: Bus Collision Interrupt Flag
1
= A bus collision has occurred in the SSP, when configured for I
2
C master mode
0
= No bus collision has occurred
Unimplemented:
Read as '0'
Reserved:
Always maintain this bit clear
bit 3:
bit 2-1:
bit 0:
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