adsp-21160n Analog Devices, Inc., adsp-21160n Datasheet - Page 20

• Manufacturer Part Number: adsp-21160n
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

ADSP-21160N
Flags
For Flags, see
Table 9. Flags
1
Parameter
Timing Requirements
t
t
t
t
Switching Characteristics
t
t
t
t
Flag inputs meeting these setup and hold times for instruction cycle N will affect conditional instructions in instruction cycle N+2.
SFI
HFI
DWRFI
HFIWR
DFO
HFO
DFOE
DFOD
FLAG3–0
FLAG3–0
CLKIN
CLKIN
Table 9
RDx
WRx
OUT
IN
FLAG3–0 IN Setup Before CLKIN High
FLAG3–0 IN Hold After CLKIN High
FLAG3–0 IN Delay After RDx/WRx Low
FLAG3–0 IN Hold After RDx/WRx Deasserted
FLAG3–0 OUT Delay After CLKIN High
FLAG3–0 OUT Hold After CLKIN High
CLKIN High to FLAG3–0 OUT Enable
CLKIN High to FLAG3–0 OUT Disable
and
Figure
t
DWRFI
t
DFOE
12.
FLAG INPUT
t
SFI
Figure 12. Flags
t
DFO
t
t
HFI
HFIWR
1
–20–
1
1
FLAG OUTPUT
1
t
HFO
t
DFO
Min
4
1
0
1
1
Max
10
9
t
CK
– t
t
DFOD
CCLK
+5
ns
ns
ns
ns
ns
ns
ns
ns
REV. 0
Unit