Datasheet

ADSP-21261/ADSP-21262/ADSP-21266
Rev. G | Page 23 of 48 | December 2012
Flags
The timing specifications in Table 24 and Figure 15 apply to the
FLAG3–0 and DAI_P20–1 pins, the parallel port, and the serial
peripheral interface. See Table 6 on Page 10 for more informa-
tion on flag use.
Table 24. Flags
Parameter Min Max Unit
Timing Requirements
t
FIPW
FLAG3–0 IN Pulse Width 2 × t
CCLK
+ 3 ns
Switching Characteristics
t
FOPW
FLAG3–0 OUT Pulse Width 2 × t
CCLK
– 1 ns
Figure 15. Flags
FLAG
INPUTS
FLAG
OUTPUTS
t
FOPW
t
FIPW