adsp-2186bca-160 Analog Devices, Inc., adsp-2186bca-160 Datasheet - Page 17
adsp-2186bca-160
Manufacturer Part Number
adsp-2186bca-160
Description
Dsp Microcomputer
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADSP-2186BCA-160.pdf
(36 pages)
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TIMING PARAMETERS
Parameter
Interrupts and Flag
Timing Requirements:
t
t
Switching Characteristics:
t
t
NOTES
1
2
3
4
5
REV. A
IFS
IFH
FOH
FOD
If IRQx and FI inputs meet t
following cycle. (Refer to “Interrupt Controller Operation” in the Program Control chapter of the ADSP-2100 Family User’s Manual, Third Edition, for further informa-
tion on interrupt servicing.)
Edge-sensitive interrupts require pulsewidths greater than 10 ns; level-sensitive interrupts must be held low until serviced.
IRQx = IRQ0, IRQ1, IRQ2, IRQL0, IRQL1, IRQE.
PFx = PF0, PF1, PF2, PF3, PF4, PF5, PF6, PF7.
Flag outputs = PFx, FL0, FL1, FL2, Flag_out.
IRQx, FI, or PFx Setup before CLKOUT Low
IRQx, FI, or PFx Hold after CLKOUT High
Flag Output Hold after CLKOUT Low
Flag Output Delay from CLKOUT Low
IFS
and t
IFH
setup/hold requirements, they will be recognized during the current clock cycle; otherwise the signals will be recognized on the
OUTPUTS
CLKOUT
FLAG
IRQx
PFx
FI
Figure 12. Interrupts and Flags
5
5
t
FOH
t
FOD
1, 2, 3, 4
–17–
1, 2, 3, 4
t
IFH
t
IFS
Min
0.25 t
0.25 t
0.25 t
CK
CK
CK
+ 15
– 7
0.5 t
Max
CK
+ 5
ADSP-2186
Unit
ns
ns
ns
ns
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