ADSP-21262_05 AD [Analog Devices], ADSP-21262_05 Datasheet - Page 20

• Manufacturer Part Number: ADSP-21262_05
• Description: Embedded Processor
• Manufacturer: AD [Analog Devices]

ADSP-21262
Reset
See
Table 11. Reset
1
Interrupts
The timing specification in
FLAG0, FLAG1, and FLAG2 pins when they are configured as
IRQ0, IRQ1, and IRQ2 interrupts. Also applies to DAI_P20–1
pins when configured as interrupts.
Table 12. Interrupts
Core Timer
The timing specification in
FLAG3 when it is configured as the core timer (CTIMER).
Table 13. Core Timer
Parameter
Timing Requirements
t
t
Parameter
Timing Requirement
t
Parameter
Switching Characteristic
t
Applies after the power-up sequence is complete. At power-up, the processor’s internal phase-locked loop requires no more than 100 µs while RESET is low, assuming
WRST
SRST
IPW
WCTIM
stable VDD and CLKIN (not including start-up time of external clock oscillator).
(C TIM E R )
Table 11
F L A G 3
and
Figure
RESET Pulse Width Low
RESET Setup Before CLKIN Low
IRQx Pulse Width
CTIMER Pulse Width
9.
RESET
CLKIN
Table 12
Table 13
and
and
DAI_P20–1
(FLAG2–0)
1
Figure 10
Figure 11
(IRQ2–0)
applies to the
Rev. B | Page 20 of 48 | August 2005
applies to
Figure 11. Core Timer
Figure 10. Interrupts
Figure 9. Reset
t
WRST
Min
4t
8
t
IPW
CK
Min
4 × t
CCLK
t
W C T IM
– 1
Min
2 × t
CCLK
t
SRST
+2
Max
Max
Max
Unit
ns
ns
Unit
ns
Unit
ns