Datasheet

REV. C
ADSP-21065L
–15–
CLKIN
IRQ
2-0
t
IPW
t
SIR
t
HIR
Figure 9. Interrupts
Parameter Min Max Unit
Timer
Timing Requirements:
t
STI
Timer Setup Before SDCLK High 0.0 ns
t
HTI
Timer Hold After SDCLK High 6.0 ns
Switching Characteristics:
t
DTEX
Timer Delay After SDCLK High 1.0 ns
t
HTEX
Timer Hold After SDCLK High –5.0 ns
Parameter Min Max Unit
Flags
Timing Requirements:
t
SFI
FLAG
11-0
IN Setup Before SDCLK High
1
–2.0 ns
t
HFI
FLAG
11-0
IN Hold After SDCLK High
1
6.0 ns
Switching Characteristics:
t
DFO
FLAG
11-0
OUT Delay After SDCLK High 1.0 ns
t
HFO
FLAG
11-0
OUT Hold After SDCLK High –4.0 ns
t
DFOE
SDCLK High to FLAG
11-0
OUT Enable –4.0 ns
t
DFOD
SDCLK High to FLAG
11-0
OUT Disable –1.75 ns
NOTE
1
Flag inputs meeting these setup and hold times will affect conditional instructions in the following instruction cycle.
SDCLK
FLAG
11–0
OUT
FLAG OUTPUT
t
DFO
t
HFO
t
DFO
t
DFOD
t
DFOE
SDCLK
t
SFI
t
HFI
FLAG
11–0
IN
Figure 10. Flags