Datasheet

Rev. 0 | Page 24 of 44 | March 2006
ADSP-21261
Flags
The timing specifications in Table 18 and Figure 16 apply to the
FLAG3–0 and DAI_P20–1 pins, the parallel port, and the serial
peripheral interface. See Table 2 on Page 11 for more informa-
tion on flag use.
Table 18. Flags
Parameter Min Max Unit
Timing Requirement
t
FIPW
FLAG3–0 IN Pulse Width 2 × t
CCLK
+ 3 ns
Switching Characteristic
t
FOPW
FLAG3–0 OUT Pulse Width 2 × t
CCLK
– 1 ns
Figure 16. Flags
DAI_P20–1
(FLAG3–0
IN
)
(AD15–0)
DAI_P20–1
(FLAG3–0
OUT
)
(AD15–0)
t
FOPW
t
FIPW