PIC16LF1454 Datasheet, PDF (93/418 Pages) Microchip Technology – 14/20-Pin Flash, 8-Bit USB Microcontrollers with XLP Technology

FIGURE 8-2:
INTERRUPT LATENCY
PIC16(L)F1454/5/9
Fosc
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
CLKR
Interrupt
GIE
Interrupt Sampled
during Q1
PC
PC-1
PC
Execute 1 Cycle Instruction at PC
PC+1
Inst(PC)
NOP
0004h
NOP
0005h
Inst(0004h)
Interrupt
GIE
PC
PC-1
PC
Execute 2 Cycle Instruction at PC
PC+1/FSR
ADDR
Inst(PC)
New PC/
PC+1
NOP
0004h
NOP
0005h
Inst(0004h)
Interrupt
GIE
PC
PC-1
PC
FSR ADDR
Execute 3 Cycle Instruction at PC
INST(PC)
PC+1
NOP
Interrupt
GIE
PC
PC-1
PC
FSR ADDR
Execute 3 Cycle Instruction at PC
INST(PC)
PC+1
NOP
PC+2
NOP
0004h
NOP
0005h
Inst(0004h) Inst(0005h)
PC+2
NOP
NOP
0004h
NOP
0005h
Inst(0004h)
 2012 Microchip Technology Inc.
Preliminary
DS41639A-page 93