TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, UCD9501
TMS320C2802, TMS320C2801, and TMS320F2801x DSPs
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SPRS230H–OCTOBER 2003–REVISED JUNE 2006
Table 6-30. External ADC Start-of-Conversion Switching Characteristics
PARAMETER
MIN
MAX
UNIT
tw(ADCSOCAL)
Pulse duration, ADCSOCAO low
32tc(HCO)
cycles
t
w(ADCSOCAL)
ADCSOCAO
or
ADCSOCBO
Figure 6-15. ADCSOCAO or ADCSOCBO Timing
6.9.3 External Interrupt Timing
t
w(INT)
XNMI, XINT1, XINT2
t
d(INT)
Address bus
(internal)
Interrupt Vector
Figure 6-16. External Interrupt Timing
Table 6-31. External Interrupt Timing Requirements(1)
TEST CONDITIONS
MIN
1tc(SCO)
MAX
UNIT
cycles
cycles
(2)
tw(INT)
Pulse duration, INT input low/high
Synchronous
With qualifier
1tc(SCO) + tw(IQSW)
(1) For an explanation of the input qualifier parameters, see Table 6-15.
(2) This timing is applicable to any GPIO pin configured for ADCSOC functionality.
Table 6-32. External Interrupt Switching Characteristics(1)
PARAMETER
MIN
MAX
UNIT
td(INT)
Delay time, INT low/high to interrupt-vector fetch
tw(IQSW) + 12tc(SCO)
cycles
(1) For an explanation of the input qualifier parameters, see Table 6-15.
110
Electrical Specifications
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