Datasheet

Rev. E | Page 44 of 60 | November 2013
ADSP-BF538/ADSP-BF538F
General-Purpose Port Timing
Table 37 and Figure 29 describe general-purpose operations.
Timer Clock Timing
Table 38 and Figure 30 describe timer clock timing.
Table 37. General-Purpose Port Timing
Parameter Min Max Unit
Timing Requirement
t
WFI
GP Port Pin Input Pulse Width t
SCLK
+ 1 ns
Switching Characteristic
t
GPOD
GP Port Pin Output Delay from CLKOUT Low 6 ns
Figure 29. General-Purpose Port Cycle Timing
CLKOUT
GPIO OUTPUT
GPIO INPUT
t
WFI
t
GPOD
Table 38. Timer Clock Timing
Parameter Min Max Unit
Switching Characteristic
t
TODP
Timer Output Update Delay After PPI_CLK High 12 ns
Figure 30. Timer Clock Timing
PPI_CLK
TMRx OUTPUT
t
TODP