dsp56852 Freescale Semiconductor, Inc, dsp56852 Datasheet - Page 27

• Manufacturer Part Number: dsp56852
• Description: 56800e 16-bit Digital Signal Controllers Digital Signal Controller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
A0–A20,
Purpose
RD
I/O Pin
A0–A20,
D0–D15
RD, WR
IRQA,
IRQA,
IRQA
IRQB
IRQB
IRQB
RESET
,
CS,
WR
CS,
Figure 4-12 External Interrupt Timing (Negative-Edge-Sensitive)
Figure 4-13 External Level-Sensitive Interrupt Timing
t
RAZ
t
t
IDM
Figure 4-11 Asynchronous Reset Timing
IG
a) First Interrupt Instruction Execution
56852 Technical Data, Rev. 8
First Interrupt Instruction Execution
b) General Purpose I/O
t
IRW
t
RA
Reset, Stop, Wait, Mode Select, and Interrupt Timing
t
RDA
First Fetch
First Fetch
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