ADSP-21371_07 Datasheet, PDF (23/48 Pages) Analog Devices – SHARC® Processor

Timer WDTH_CAP Timing
The following timing specification applies to timer0, and
timer1, and in WDTH_CAP (pulse width count and capture)
mode. Timer signals are routed to the DPI_P14–1 pins through
the SRU. Therefore, the timing specification provided below is
valid at the DPI_P14–1 pins.
Table 20. Timer Width Capture Timing
Parameter
Timing Requirement
t_PWI
Timer Pulse Width
Min
2 × t_PCLK
Max
2 ×(2³¹â€“ 1) × t_PCLK
t_PWI
DPI_P14-1
(TIMER1-0)
Figure 12. Timer Width Capture Timing
Pin to Pin Direct Routing (DAI and DPI)
For direct pin connections only (for example DAI_PB01_I to
DAI_PB02_O).
Table 21. DAI Pin to Pin Routing
Parameter
Timing Requirement
t_DPIO
Delay DAI/DPI Pin Input Valid to DAI Output Valid
Min
Max
1.5
10
DAI_Pn
DPI_Pn
DAI_pm
DPI_Pm
t_DPIO
Figure 13. DAI Pin to Pin Direct Routing
ADSP-21371
Unit
ns
Unit
ns
Rev. 0 | Page 23 of 48 | June 2007