adsp-21469 Analog Devices, Inc., adsp-21469 Datasheet - Page 23

• Manufacturer Part Number: adsp-21469
• Description: Sharc Processor
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
Reset
Table 15. Reset
1
Running Reset
The following timing specification applies to CLKOUT/
RESETOUT/RUNRSTIN pin when it is configured as
RUNRSTIN.
Table 16. Running Reset
Parameter
Timing Requirements
t
t
Applies after the power-up sequence is complete. At power-up, the processor’s internal phase-locked loop requires no more than 100
Parameter
Timing Requirements
t
t
WRST
SRST
V
WRUNRST
SRUNRST
DD
and CLKIN (not including start-up time of external clock oscillator).
1
RESET Pulse Width Low
RESET Setup Before CLKIN Low
Running RESET Pulse Width Low
Running RESET Setup Before CLKIN High
RUNRSTIN
RESET
CLKIN
CLKIN
Rev. PrB | Page 23 of 56 | November 2008
t WRUNRST
Figure 8. Running Reset
t
Figure 7. Reset
WRST
Min
TBD
TBD
Min
TBD
TBD
t SRUNRST
t
SRST
ADSP-21469/ADSP-21469W
Max
TBD
TBD
Max
TBD
TBD
while RESET is low, assuming stable
Unit
ns
ns
Unit
ns
ns