dsp56854 Freescale Semiconductor, Inc, dsp56854 Datasheet - Page 37

• Manufacturer Part Number: dsp56854
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
A0–A20,
RD, WR
A0–A20,
A0–A20,
General
Purpose
RD, WR
RD
IRQA,
I/O Pin
IRQB
Figure 4-16 Recovery from Stop State Using Asynchronous Interrupt Timing
IRQA,
IRQA,
IRQB
IRQB
IRQA
,
CS,
CS,
CS,
WR
Figure 4-14 External Level-Sensitive Interrupt Timing
Figure 4-15 Interrupt from Wait State Timing
t
t
IW
t
IDM
IG
a) First Interrupt Instruction Execution
56854 Technical Data, Rev. 6
First Interrupt Instruction Execution
b) General Purpose I/O
t
IF
t
IRI
Reset, Stop, Wait, Mode Select, and Interrupt Timing
Not IRQA Interrupt Vector
First Instruction Fetch
First Interrupt Vector
Instruction Fetch
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