Preliminary Technical Data
ADSP-21462/ADSP-21465/ADSP-21467/ADSP-21469
Interrupts
The following timing specification applies to the FLAG0,
FLAG1, and FLAG2 pins when they are configured as IRQ0,
IRQ1, and IRQ2 interrupts as well as the DAI_P20-1 and
DPI_P14-1 pins when they are configured as interrupts.
Table 18. Interrupts
Parameter
Min
Max
Unit
Timing Requirement
t IPW
IRQx Pulse Width
TBD
TBD
ns
DAI_P20-1
DPI_P14-1
FLAG2 -0
(IRQ2 - 0)
t IPW
Figure 9. Interrupts
Core Timer
The following timing specification applies to FLAG3 when it is
configured as the core timer (CTIMER).
Table 19. Core Timer
Parameter
Min
Max
Unit
Switching Characteristic
t WCTIM
CTIMER Pulse Width
TBD
TBD
ns
FLAG 3
(CTIMER)
Figure 10. Core Timer
Timer PWM_OUT Cycle Timing
The following timing specification applies to Timer0 and
Timer1 in PWM_OUT (pulse-width modulation) mode. Timer
signals are routed to the DPI_P14–1 pins through the DPI SRU.
Therefore, the timing specifications provided below are valid at
the DPI_P14–1 pins.
Table 20. Timer PWM_OUT Timing
t WCTIM
Parameter
Min
Max
Unit
Switching Characteristic
t PWMO
Timer Pulse Width Output
TBD
TBD
ns
DPI_P14-1
t PWMO
(TIMER1 -0)
Figure 11. Timer PWM_OUT Timing
Rev. PrC
| Page 25 of 62 | January 2009
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