Datasheet

ADSP-BF534/ADSP-BF536/ADSP-BF537
Rev. I|Page 45 of 68 | July 2010
General-Purpose Port Timing
Table 36 and Figure 26 describe general-purpose
port operations.
Universal Asynchronous Receiver-Transmitter
(UART) Ports—Receive and Transmit Timing
For information on the UART port receive and transmit opera-
tions, see the ADSP-BF537 Blackfin Processor Hardware
Reference.
Table 36. General-Purpose Port Timing
Parameter MinMaxUnit
Timing Requirement
t
WFI
General-Purpose Port Pin Input Pulse Width t
SCLK
+ 1 ns
Switching Characteristic
t
GPOD
General-Purpose Port Pin Output Delay from CLKOUT Low 06ns
Figure 26. General-Purpose Port Timing
CLKOUT
GPIO OUTPUT
GPIO INPUT
t
WFI
t
GPOD