adsp-21478 Analog Devices, Inc., adsp-21478 Datasheet - Page 28

• Manufacturer Part Number: adsp-21478
• Description: Sharc Processor
• Manufacturer: Analog Devices, Inc.

ADSP-21478/ADSP-21479
Watch Dog Timer Timing
Table 22. Watch Dog Timer Timing
Pin to Pin Direct Routing (DAI and DPI)
For direct pin connections only (for example DAI_PB01_I to
DAI_PB02_O).
Table 23. DAI/DPI Pin to Pin Routing
Parameter
Switching Characteristics
t
t
Parameter
Timing Requirement
t
RST
RSTPW
DPIO
Delay DAI/DPI Pin Input Valid to DAI/DPI Output Valid
WDT Clock Rising Edge To Watch Dog Timer RESET
Falling Edge
Reset Pulse Width
WDT_CLKO
t
WDTCLKPER
DAI_Pm
DPI_Pm
DAI_Pn
DPI_Pn
t
RST
Figure 16. DAI Pin to Pin Direct Routing
Rev. PrB | Page 28 of 70 | March 2010
Figure 15. Watch Dog Timer Timing
t
RSTPW
t
DPIO
Min
3.7059
64 × t
Preliminary Technical Data
WDTCLKPER
Min
1.5
Max
6.418
Max
10
Unit
ns
ns
Unit
ns