adsp-21483 Analog Devices, Inc., adsp-21483 Datasheet - Page 27

• Manufacturer Part Number: adsp-21483
• Description: Sharc Processor
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
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
WDT Clock Rising Edge To Watch Dog Timer
RESET Falling Edge
Reset Pulse Width
Delay DAI/DPI Pin Input Valid to DAI/DPI Output Valid
WDT_CLKO
DAI_Pm
DPI_Pm
t
DAI_Pn
DPI_Pn
WDTCLKPER
Figure 15. DAI Pin to Pin Direct Routing
Rev. PrA | Page 27 of 66 | March 2010
Figure 14. Watch Dog Timer Timing
t
RST
Min
3.7059
64 × t
ADSP-21483/21486/21487/21488/21489
WDTCLKPER
t
RSTPW
t
DPIO
Min
1.5
Max
6.418
Max
12
Unit
ns
Unit
ns
ns