Microchip Technology AC244045 Data Sheet
2010-2012 Microchip Technology Inc.
DS41440C-page 87
PIC16(L)F1825/1829
FIGURE 8-2:
INTERRUPT LATENCY
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
OSC1
CLKOUT
PC
0004h
0005h
PC
Inst(0004h)
NOP
GIE
Q1 Q2 Q3 Q4
Q1 Q2 Q3 Q4
1 Cycle Instruction at PC
PC
Inst(0004h)
NOP
2 Cycle Instruction at PC
FSR ADDR
PC+1
PC+2
0004h
0005h
PC
Inst(0004h)
NOP
GIE
PC
PC-1
3 Cycle Instruction at PC
Execute
Interrupt
Inst(PC)
Interrupt Sampled
during Q1
during Q1
Inst(PC)
PC-1
PC+1
NOP
PC
New PC/
PC+1
0005h
PC-1
PC+1/FSR
ADDR
0004h
NOP
Interrupt
GIE
Interrupt
INST(PC)
NOP
NOP
FSR ADDR
PC+1
PC+2
0004h
0005h
PC
Inst(0004h)
NOP
GIE
PC
PC-1
3 Cycle Instruction at PC
Interrupt
INST(PC)
NOP
NOP
NOP
Inst(0005h)
Execute
Execute
Execute