Datasheet

Reset, Stop, Wait, Mode Select, and Interrupt Timing
56F826 Technical Data, Rev. 14
Freescale Semiconductor 35
Figure 3-14 Asynchronous Reset Timing
Figure 3-15 External Interrupt Timing (Negative-Edge-Sensitive)
Figure 3-16 External Level-Sensitive Interrupt Timing
First Fetch
A0–A15,
D0–D15
PS
, DS,
RD
, WR
RESET
First Fetch
t
RA
t
RAZ
t
RDA
IRQA,
IRQB
t
IRW
A0–A15,
PS
, DS,
RD
, WR
IRQA,
IRQB
First Interrupt Instruction Execution
a) First Interrupt Instruction Execution
General
Purpose
I/O Pin
IRQA
,
IRQB
b) General Purpose I/O
t
IDM
t
IG