Datasheet

PIC17C7XX
DS30289C-page 40  1998-2013 Microchip Technology Inc.
FIGURE 6-2: INT PIN/T0CKI PIN INTERRUPT TIMING
Q2Q1 Q3 Q4 Q2Q1 Q3 Q4 Q2Q1 Q3 Q4 Q2Q1 Q3 Q4 Q2Q1 Q3 Q4 Q2Q1 Q3 Q4 Q2Q1 Q3 Q4
OSC1 OSC2
RA0/INT or
RA1/T0CKI
INTF or
T0CKIF
GLINTD
PC
Instruction
Executed
System Bus
Instruction
Fetched
PC PC + 1 Addr (Vector)
PC Inst (PC) Inst (PC+1)
Inst (PC) Dummy Dummy
YY YY + 1
RETFIE
RETFIE
Inst (PC+1)
Inst (Vector)
Addr
Addr
Addr
Addr
Addr
Inst (YY + 1)
Dummy
PC + 1