adsp-2165ks-80 Analog Devices, Inc., adsp-2165ks-80 Datasheet - Page 30

• Manufacturer Part Number: adsp-2165ks-80
• Description: Dsp Microcomputers With Rom
• Manufacturer: Analog Devices, Inc.

ADSP-216x
TIMING PARAMETERS (ADSP-2162/ADSP-2164/ADSP-2166)
INTERRUPTS AND FLAGS
Parameter
Timing Requirements:
t
t
Switching Characteristics:
t
t
NOTES
1
2
3
IRQx = IRQ0, IRQ1, and IRQ2.
If IRQx and FI inputs meet t
Edge-sensitive interrupts require pulse widths greater than 10 ns. Level-sensitive interrupts must be held low until serviced.
IFS
IFH
FOH
FOD
following cycle. (Refer to the “Interrupt Controller” section in Chapter 3, Program Control, of the ADSP-2100 Family User’s Manual, Third Edition, for further
information on interrupt servicing.)
IRQx
CLKOUT Low
IRQx
CLKOUT High
FO Hold After CLKOUT High
FO Delay from CLKOUT High
1
1
or FI Setup Before
or FI Hold After
2, 3
2, 3
IFS
and t
IFH
setup/hold requirements, they will be recognized during the current clock cycle; otherwise they will be recognized during the
OUTPUT(S)
CLKOUT
FLAG
IRQx
FI
Min
44.4
24.4
0
10.24 MHz
Figure 28. Interrupts and Flags
t
FOH
Max
15
t
FOD
–30–
Min
39.2
19.2
0
t
13.0 MHz
IFH
t
IFS
Max
15
Min
35.0
15.0
0
16.67 MHz
Max
15
0.25t
0.25t
0
Min
Dependency
Frequency
CK
CK
+ 20
Max
15
REV. 0
Unit
ns
ns
ns
ns