Datasheet

ADSP-BF592
Rev. B | Page 33 of 44 | July 2013
Universal Asynchronous Receiver-Transmitter
(UART) Ports—Receive and Transmit Timing
The UART ports receive and transmit operations are described
in the ADSP-BF59x Hardware Reference Manual.
General-Purpose Port Timing
Table 28 and Figure 21 describe general-purpose
port operations.
Table 28. General-Purpose Port Timing
Parameter
V
DDEXT
1.8V/2.5 V/3.3V Nominal
Min Max Unit
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 0 11 ns
Figure 21. General-Purpose Port Timing
CLKOUT
GPIO OUTPUT
GPIO INPUT
t
WFI
t
GPOD