ADSP-21367/ADSP-21368/ADSP-21369
Rev. D
|
Page 21 of 56
|
November 2008
Reset
Interrupts
The following timing specification applies to the FLAG0,
FLAG1, and FLAG2 pins when they are configured as IRQ0,
IRQ1, and IRQ2 interrupts.
Table 15. Reset
Parameter
Min
Max
Unit
Timing Requirements
t
WRST
1
RESET Pulse Width Low
4t
CK
ns
t
SRST
RESET Setup Before CLKIN Low
8
ns
1
Applies after the power-up sequence is complete. At power-up, the processor’s internal phase-locked loop requires no more than 100
μ
s while RESET is low, assuming stable
V
DD
and CLKIN (not including start-up time of external clock oscillator).
Figure 8. Reset
CLKIN
RESET
t
WR
S
T
t
S
R
S
T
Table 16. Interrupts
Parameter
Min
Max
Unit
Timing Requirement
t
IPW
IRQx Pulse Width
2 × t
PCLK
+ 2
ns
Figure 9. Interrupts
DAI_P20-1
DPI_14-1
FLAG2-0
(IRQ2
-
0)
t
IPW