ADSP-BF531/ADSP-BF532/ADSP-BF533
General-Purpose I/O Port F Pin Cycle Timing
and
describe GPIO pin operations.
Table 28. General-Purpose I/O Port F Pin Cycle Timing
V
DDEXT
= 1.8 V
Min
Max
t
SCLK
+ 1
6
V
DDEXT
= 2.5 V/3.3 V
Min
Max
Unit
t
SCLK
+ 1
6
ns
ns
Parameter
Timing Requirement
t
WFI
GPIO Input Pulse Width
Switching Characteristic
t
DFO
GPIO Output Delay from CLKOUT Low
CLKOUT
t
DFO
PFx (OUTPUT)
GPIO OUTPUT
t
WFI
PFx (INPUT)
GPIO INPUT
Figure 27. GPIO Cycle Timing
Rev. E |
Page 40 of 60 |
July 2007