adsp-21371 Analog Devices, Inc., adsp-21371 Datasheet - Page 21

• Manufacturer Part Number: adsp-21371
• Description: Sharc Processor
• Manufacturer: Analog Devices, Inc.

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 ms while RESET is low, assuming
Parameter
Timing Requirements
t
t
WRST
SRST
stable V
WRUNRST
SRUNRST
1
DD
and CLKIN (not including start-up time of external clock oscillator).
RESET Pulse Width Low
RESET Setup Before CLKIN Low
Running RESET Pulse Width Low
Running RESET Setup Before CLKIN High
RUNRSTIN
RESET
CLKIN
CLKIN
t WRUNRST
Rev. 0 | Page 21 of 48 | June 2007
Figure 8. Running Reset
t
RUNWRST
Figure 7. Reset
Min
4
8
Min
4
8
t
t
CK
CK
t SRUNRST
t
RUNSRST
Max
Max
ADSP-21371
Unit
ns
ns
Unit
ns
ns