adsp-2191m Analog Devices, Inc., adsp-2191m Datasheet - Page 21

• Manufacturer Part Number: adsp-2191m
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

Programmable Flags Cycle Timing
Table 10
Table 10. Programmable Flags Cycle Timing
Timer PWM_OUT Cycle Timing
Table 11
input signal is asynchronous in “width capture mode” and has
an absolute maximum input frequency of 40 MHz.
Table 11. Timer PWM_OUT Cycle Timing
1
REV. A
The minimum time for t
Parameter
Switching Characteristics
t
t
Timing Requirement
t
Parameter
Switching Characteristic
t
DFO
HFO
HFI
HTO
and
and
PWM_OUT
(OUTPUT)
CLKOUT
(INPUT)
Figure 9
Figure 10
HCLK
Flag Output Delay with Respect to CLKOUT
Flag Output Hold After CLKOUT High
Flag Input Hold is Asynchronous
PF
PF
Timer Pulsewidth Output
HTO
describe Programmable Flag operations.
describe timer expired operations. The
is one cycle, and the maximum time for t
Figure 9. Programmable Flags Cycle Timing
Figure 10. Timer PWM_OUT Cycle Timing
1
t
DFO
HTO
FLAG INPUT
–21–
equals (2
t
FLAG OUTPUT
HFI
32
t
HTO
–1) cycles.
t
HFO
Min
12.5
Min
3
Max
(2
ADSP-2191M
Max
7
6
32
–1) cycles
ns
ns
Unit
ns
Unit
ns